Anniversaries/December
From Sega Retro
December Anniversaries |
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Anniversaries/December (add)
- 1987 - Sega Hi-Tech Zukan Vol. 2, a book, is released in Japan.
- 1988 - Chouon Senshi Borgman is released for the Sega Master System in Japan. Thunder Blade is released for the Amiga, Amstrad CPC, Atari ST, Commodore 64, and ZX Spectrum in the United Kingdom.
- 1990 - Shadow Dancer: The Secret of Shinobi is released for the Sega Mega Drive in Japan. Ultimate Sega Game Strategies for the Master and Genesis Systems, a book, is released in North America.
- 1992 - Sonic the Hedgehog 2 is released for the Sega Mega Drive in Australia.
- 1993 - Shining Force II: Inishie no Fuuin Hisshou Kouryaku Hou, a book, is released alongside Phantasy Star Collection: Sound Collection II, a CD, as well as the Mixt Book Player Copera Sega Pico console in Japan.
- 1995 - Sega Arcade Selection D-RAM Remix, a CD, is released alongside Earthworm Jim for the Sega Mega Drive's Sega Channel service, Nomo's World Series Baseball for the Sega Game Gear, Heisei Kyouiku Iinkai Jr. Mezase Yuutousei for the Sega Pico, and Bakushou!! All Yoshimoto Quiz Ou Ketteisen DX, NBA Jam Tournament Edition, and Virtua Fighter 2 with the Real Arcade VF arcade stick for the Sega Saturn, all in Japan.
- 1996 - Nightmare Circus is released for the Sega Mega Drive through the Sega Channel service in North America.
- 1999 - Incoming and Shadow Man are released for the Sega Dreamcast in North America.
- 2000 - Who Wants to Beat Up a Millionaire is released for the Sega Dreamcast in North America. Chicken Run is released for the Sega Dreamcast in France, AeroWings 2: Airstrike and Dave Mirra Freestyle BMX are released for the Sega Dreamcast in Germany, the Sega Dreamcast is released with the Dreamcast Arcade Stick, Jump Pack, Race Controller, and Visual Memory Unit peripherals in Poland, Dave Mirra Freestyle BMX, Kao the Kangaroo and Mr. Driller are released for the Sega Dreamcast in Spain while F1 World Grand Prix II, Sega GT, and Shenmue are released for the Sega Dreamcast in Europe. Silent Scope is released for the Sega Dreamcast in Australia.
- 2001 - Yu Suzuki Game Works Vol. 1 is released for the Sega Dreamcast in Japan.
- 2002 - Sonic Advance 2 Koushiki Guide Book, a book, is released in Japan.
- 2003 - OutRun 2 is released in Arcades for the Sega Chihiro board alongside Blades of Glory for i-mode 504i compatible phones through Sega's Game Parade portal in Japan.
- 2004 - Galaxy Force II is released for Vodafone Live! (256KB) compatible phones through Sega's Sega Ages portal alongside Sonic Darts for J-Sky (50KB) compatible phones through Sega's Sonic Cafe portal in Japan.
- 2005 - Super Monkey Ball DS is released for the Nintendo DS alongside Puyo Puyo Fever Xmas Ver. for Vodafone Live! (256KB) compatible phones through Sega's Sonic Cafe portal in Japan.
- 2006 - Puyo Puyo Zurashi is released for Vodafone Live! (256KB) compatible phones through Sega's Sonic Cafe portal in Japan. Medieval II: Total War is released for Windows PCs in Poland and Football Manager 2007 is released for the Xbox 360 alongside Sonic Rivals for the PlayStation Portable in the United Kingdom while Football Manager Handheld 2007 is released for the PlayStation Portable in Europe.
- 2008 - Shining Wind X is released for i-mode 90x compatible phones through Sega's Puyo Puyo! Sega portal in Japan.
- 2009 - Super Monkey Ball 2 is released for iOS in North America and Europe.
- 2010 - Ikenai Koi Mail is released for Vodafone Live! (3G) compatible phones through Sega's Puyo Puyo! Sega portal in Japan.
- 2011 - History of the 1st Stage Original Soundtrack Blue Edition and History of the 1st Stage Original Soundtrack White Edition, both CDs, are released alongside Sonic Generations: Shiro no Jikuu for the Xbox 360 and PlayStation 3, Sonic Generations: Ao no Bouken for the Nintendo 3DS, and Sonic Advance for Android devices through Sega's Puyo Puyo! Sega portal, all in Japan. Fallen Realms is released for Android devices in North America and Europe.
- 2015 - Pachi-Slot Hokuto no Ken Kyouteki is released for Android devices and iOS in Japan. Pachi-Slot Hokuto no Ken Kyouteki is released for Android devices alongside Company of Heroes 2: Master Collection on Steam and for Mac OS X and Linux devices through Steam, and Eastside Hockey Manager on Steam in North America, Europe, and Australia.
- 2016 - Shin Megami Tensei IV: Apocalypse is released for the Nintendo 3DS alongside 7th Dragon III Code: VFD being made available for digital download on the Nintendo eShop in Europe.
- 2017 - Sonic Forces and Puyo Puyo Tetris S are released for the Nintendo Switch in South Korea. Puyo Puyo Tetris S is released for the Nintendo Switch in Taiwan.
- 2020 - Football Manager 2021 Touch is released for Android tablets, iPad, and on Steam and for Mac OS X through Steam in North America, Europe, and Australia.
Anniversaries/December (add)
- 1989 - The Super Shinobi is released for the Sega Mega Drive in Japan.
- 1992 - Dr. Hello is released for the Sega Mega Drive in South Korea.
- 1993 - Teenage Mutant Ninja Turtles: Tournament Fighters is released for the Sega Mega Drive in North America.
- 1994 - Puyo Puyo Tsuu is released for the Sega Mega Drive alongside Gale Racer and Shinsetsu Yumemi Yakata: Tobira no Oku ni Dareka ga... for the Sega Saturn in Japan. Mega Drive 32X: Heart of the System, a VHS, is released in France while Newman-Haas IndyCar Featuring Nigel Mansell is released for the Sega Mega Drive in Europe.
- 1997 - NBA Live 98 is released for the Sega Mega Drive in North America.
- 1998 - Sonic Adventure Songs With Attitude ~Vocal mini-Album~, a CD, is released in Japan.
- 1999 - A Bug's Life is released for the Sega Pico alongside Sunrise Eiyuutan, Vermilion Desert, and Virtua Striker 2 Ver. 2000.1 for the Sega Dreamcast in Japan. UEFA Striker is released for the Sega Dreamcast in France.
- 2000 - Speed Boarder and Viva! Skydiving, both Large attractions, make their debut at Tokyo Joypolis in Japan.
- 2002 - Amigo-kun no Doki Doki Aishou Check is released for i-mode 504iS compatible phones through Sega's Sonic Cafe portal alongside 16t for J-Sky (50KB) compatible phones through Sega's Pet * Sega portal, Super Tennis Xmas Version for J-Sky (50KB) compatible phones through Sega's WOW Sports portal, and 'Ulala no 15 Puzzle for J-Sky (50KB) compatible phones through Sega's Ulala no Channel J portal in Japan.
- 2004 - Derby Tsuku 4: Derby Ba wo Tsukurou! is released for the PlayStation 2 alongside Kimi no Tame nara Shineru for the Nintendo DS and Kimi no Tame nara Shineru Ugoku e Puzzle for i-mode 505i compatible phones through Sega's Sonic Cafe portal in Japan.
- 2005 - Condemned is released for the Xbox 360 in Europe.
- 2006 - Heat Up Hockey Revolve, an Air Hockey machine, is released alongside Densha Daishuugou! Card de Asobou for the [[Advanced Pico Beena], Super Monkey Ball Ukiuki Party Daishuugou for the Wii, and Juuouki, Columns, Ecco the Dolphin, Golden Axe, Gunstar Heroes, Puyo Puyo, Ristar The Shooting Star, Shadow Dancer: The Secret of Shinobi, Sonic the Hedgehog, Space Harrier II, and ToeJam & Earl for the Wii Virtual Console, all in Japan.
- 2008 - Nancy Drew: The White Wolf of Icicle Creek is released for the Wii in North America.
- 2009 - Super Monkey Ball 2 is released for iOS in Japan.
- 2010 - Shining Hearts Kaizoku Hihou Fan Disc, a data disc, is released alongside World Club Champion Football: Intercontinental Clubs 2009-2010 in Arcades for the Sega Lindbergh Blue board and Puyo Puyo! for EZweb (BREW 4.0) compatible phones through Sega's Puyo Puyo! Sega portal in Japan.
- 2011 - Sonic Generations is released for Windows PCs in Russia.
- 2014 - Hi-sCoool! SeHa Girls Vol. 1, a DVD and Blu-ray, is released in Japan.
- 2015 - Songs of Chain Chronicle, a CD, is released in Japan.
- 2016 - 7th Dragon III Code: VFD is released for the Nintendo 3DS in Europe.
Anniversaries/December (add)
- 1992 - Rampart is released for the Sega Master System alongside Alien Syndrome and The Terminator for the Sega Game Gear in Europe.
- 1993 - Dyna Brothers 2 and Teenage Mutant Ninja Turtles: Tournament Fighters are released for the Sega Mega Drive alongside Madou Monogatari I: 3tsu no Madoukyuu for the Sega Game Gear in Japan. FIFA International Soccer is released for the Sega Mega Drive in France and the United Kingdom.
- 1994 - Ghost Rush! is released for the Sega Mega LD alongside the Super 32X releasing for ¥16,800 with the three launch titles Doom, Space Harrier, and Star Wars Arcade in Japan. NBA Live 95 is released for the Sega Mega Drive in Europe.
- 1997 - Teikoku Kagekidan Hanagumi Haru Kouen: Cinderella, a CD, is released in Japan. Quake is released for the Sega Saturn in North America. Enemy Zero is released for the Sega Saturn in Spain.
- 1998 - Capcom Generation: Dai 5 Shuu Kakutouka-tachi, Winning Post 3 Program '98, and Zoku Hatsukoi Monogatari: Shuugakuryokou are released for the Sega Saturn in Japan.
- 1999 - UEFA Striker is released for the Sega Dreamcast in Spain while Psychic Force 2012 is released for the Sega Dreamcast in Europe.
- 2001 - Jyabakuryou is released for J-Sky (50KB) compatible phones in Japan.
- 2007 - Puyo Puyo~n & Columns is released for i-mode 90x compatible phones through Sega's Puyo Puyo! Sega portal in Japan. Eternal Champions is released for the Wii Virtual Console in North America.
- 2008 - Legend of Wukong, an aftermarket Sega Mega Drive game, is released in North America and Europe.
- 2009 - Phantasy Star Portable 2 Star Frontier Guide, a book, is released alongside Phantasy Star Portable 2 Special Single CD, a CD, Shining Force Cross in Arcades for the Sega RingEdge board, and Phantasy Star Portable 2 for the PlayStation Portable in Japan. Mario and Sonic at the Vancouver Winter Olympics is released for the Nintendo DS in Korea.
- 2012 - Quepla: Quest of Planet is released for iOS in Japan.
- 2013 - Rhythm Thief & the Emperor's Treasure Original Soundtrack is made available for download from Amazon in North America.
- 2014 - Sonic Dash is released for Windows 8 devices in North America, Europe, and Australia.
- 2015 - The Atlus Best Collection version of Devil Survivor Overclocked is released for the Nintendo 3DS in Japan.
- 2016 - Panzer Dragoon and The Revenge of Shinobi, both vinyl albums, are released in the United Kingdom.
- 2020 - Shadowverse: Champion's Battle is released for the Nintendo Switch in Taiwan and Hong Kong.
Anniversaries/December (add)
- 1992 - Road Rash II is released for the Sega Mega Drive in Europe.
- 1994: - Behind the Scenes at Sega: The Making of a Video Game, a book, is released in North America. After having seen a last minute delay, the Sega Mega Drive 32X is released with the games Doom, Star Wars Arcade, and Virtua Racing Deluxe in Europe.
- 1996 - NHL 97 is released for the Sega Saturn in North America.
- 1997 - Cotton 2, Dejig Lassen: Art Collection, Dejig McKnight: Art Collection, Ginga Ojousama Densetsu Yuna 3: Lightning Angel, Hop Step Idol, Jikkyou Powerful Pro Yakyuu S, Kono Yo no Hate de Koi o Utau Shoujo Yu-No, Private Idol Disc Vol. 9: Nagamatsu Keiko, Sonic R, Umanari 1 Furlong Gekijou, and Virtual Kyoutei 2 are released for the Sega Saturn in Japan. Mortal Kombat Trilogy is released for the Sega Saturn in Spain.
- 2000 - Championship Surfer, Grandia II, and Prince of Persia: Arabian Nights are released for the Sega Dreamcast in North America.
- 2003 - Kunoichi Koushiki Guide Book, a book, is released alongside the game it is for, Kunoichi, for the PlayStation 2, Sonic Battle for the Game Boy Advance, Tails no Flying Get for i-mode 504i and i-mode 505i compatible phones through Sega's Sonic Cafe portal, and The Typing of the Dead 2004 for Windows PCs, all in Japan.
- 2006 - Columns and Ristar are released for the Wii Virtual Console in North America.
- 2007 - Puyo Puyo Fever is released for the Xbox 360 though the Xbox Originals program alongside Rolling Thunder 2 for the Wii Virtual Console in Japan. Prima Official Game Guide: The Golden Compass, a book, is released alongside alongside the game it is for, The Golden Compass, for the PlayStation 2, Xbox 360, Wii, PlayStation 3, Nintendo DS, PlayStation Portable, and Windows PC in North America.
- 2008 - 428: Fuusa Sareta Shibuya de is released for the Wii alongside Blazer Drive for the Nintendo DS and Koizora: Kimi ga Hohoemu Machi for EZweb (BREW 3.1) compatible phones through Sega's Puyo Puyo! Sega portal in Japan.
- 2009 - Earthworm Jim 2 is released for the Wii Virtual Console alongside Jambo! Safari: Ranger Adventure for the Nintendo DS in Europe. Jambo! Safari: Ranger Adventure is released for the Nintendo DS in Australia.
- 2010 - Pocket Monsters Best Wishes! Chinou Ikusei Pokémon Daiundoukai is released for the Advanced Pico Beena in Japan.
- 2012 - Virtua Tennis 4 is made available for digital download on the Xbox 360 in Japan, North America, Europe, and Australia.
- 2013 - Sonic the Hedgehog is released for the Nintendo 3DS Virtual Console alongside Spellwood Lite for Android devices in Japan.
- 2014 - Phantasy Star Online 2: On Stage, a stage play, debuts alongside Puyo Puyo Tetris for the PlayStation 4 and Xbox One in Japan.
- 2017 - Pachinko CR Puyo Puyo, a gambling machine, is released in Japan.
- 2018 - Persona 3: Dancing in Moonlight, Persona 5: Dancing in Starlight, and Persona Dancing: Endless Night Collection are released for the PlayStation 4 in North America. Persona Dancing: Endless Night Collection is released for the PlayStation 4 in Europe and Australia.
- 2019 - The Hyperdub version of the Mega Sg, a clone console from Analogue, is released alongside Konsolation, an aftermarket Sega Mega Drive game, in North America and Europe.
Anniversaries/December (add)
- 1991 - Ninja Burai Densetsu is released for the Sega Mega Drive in Japan.
- 1995 - Unou Kaihatsu Series 7 Tails and the Music Maker, Unou Kaihatsu Series 8 Dracky no Oekaki House, and Unou Kaihatsu Series 9 Nihon Mukashibanashi are released for the Sega Pico in Japan. Tails and the Music Maker is released for the Sega Pico in Europe and Brazil.
- 1996 - International Superstar Soccer Deluxe is released for the Sega Mega Drive alongside Panzer Dragoon for Windows PCs in the United Kingdom.
- 1997 - Manx TT Super Bike and Virtua Cop 2 are released for Windows PCs in Japan. Manx TT Super Bike is released for Windows PCs in Europe.
- 1999 - The Official Dreamcast Magazine demo disc that came with Issue #3 of Official Dreamcast Magazine is released in North America.
- 2000 - Max Steel Covert Missions and Q*bert are released for the Sega Dreamcast in North America.
- 2001 - Ei-Ei-Poo!, a CD, is released in Japan.
- 2002 - Shinobi Original Soundtrack, a CD, is released alongside 18 Wheeler: American Pro Trucker and Shinobi for the PlayStation 2, Alien Spot, Kirameki Jewelry, and Yumaijiri for EZweb (Java Phase 2/2.5) compatible phones through Sega's Pet * Sega portal, and The Typing of the Dead 2003 for Windows PCs in Japan. Phantasy Star II and Sonic the Hedgehog 2 are released for RealOne Arcade in North America.
- 2003 - Dragon Book 2 is released for i-mode 504i and i-mode 505i compatible phones through Sega's Sonic Cafe portal in Japan. Virtua Tennis is released for the N-Gage in Europe.
- 2010 - Kodai Ouja Kyouryuu King D-Kids Adventure: Asoberu Kyouryuu Zukan is released for the iPad in Japan.
- 2012 - Sonic Generations Official Soundtrack is released for the Mora streaming platform alongside Vivid Sound x Hybrid Colors: Sonic Colors Original Soundtrack being made available for download from Amazon, Medal Senshi Butsuke Ranger, a medal game, for Arcades, and Spellwood for Android devices and iOS in Japan. Vivid Sound x Hybrid Colors: Sonic Colors Original Soundtrack is made available for download from Amazon alongside Sonic & All-Stars Racing Transformed for the PlayStation Vita and Spellwood for Android devices and iOS in North America. Fighting Vipers, Sonic the Fighters, and Virtua Fighter 2 are released for the PlayStation 3 alongside Spellwood for Android devices and iOS in Europe and Australia.
- 2013 - Ryu ga Gotoku 5: Yume, Kanaeshi Mono is made available for digital download on the PlayStation Store alongside Mario & Sonic at Sochi Olympics for the Wii U in Japan. 3D Altered Beast and 3D Sonic the Hedgehog are released for the Nintendo 3DS alongside Music Girl Hatsune Miku for Android devices in North America, Europe, and Australia.
- 2019 - Persona 5: The Animation Vol. 2, a DVD and Blu-ray, is released in Germany. Alien: Isolation is released for the Nintendo Switch in North America, Europe, and Australia while Rune Factory 4 Special is released for the Nintendo Switch in South Korea and Taiwan.
- 2023 - Sonic Dream Team is released for iOS, Apple TV, and the Mac App Store in North America, Europe, and Australia.
Anniversaries/December (add)
- 1991 - Exile: Toki no Hazama he and Fighting Masters are released for the Sega Mega Drive in Japan.
- 1994 - Virtua Fighter Maniax Replays, a book, is released in Japan. Elitserien 95 is released for the Sega Mega Drive in Sweden.
- 1995 - The Game & Car Navi HiSaturn, the rarest and most expensive of the Sega Saturn consoles, is released in Japan. Last Gladiators is released for the Sega Saturn in North America.
- 1996 - Sakura Taisen Koushiki Guide: Sentou Hen and Virtua Cop 2 Tai Terrorist Chinatsu Manual, both books, are released alongside Pet Club Inu Dai Suki! for the Sega Game Gear, Kidou Senshi Gundam Gaiden II: Ao o Uketsugu Mono, Kouryuu Sangoku Engi, Magic Carpet, Sekai no Shasou kara I Swiss-hen: Alps Tozantetsudou no Tabi, Stakes Winner: GI Kanzen Seiha Heno Michi, Super Puzzle Fighter II X, Taikou Risshiden II, Thunder Force: Gold Pack 2, and Vatlva for the Sega Saturn, as well as Daytona USA for Windows PCs in Japan. Bug Too! is released for the Sega Saturn in North America. Command & Conquer, NBA Jam Extreme, NHL 97, and PGA Tour 97 are released for the Sega Saturn in Europe.
- 2000 - Capcom vs. SNK: Millennium Fight 2000 Koushiki Guide Book, a book, is released in Japan. Jet Grind Radio Music Sampler, a CD, is released alongside POD SpeedZone and The Grinch for the Sega Dreamcast in North America.
- 2001 - Vampire Night is released for the PlayStation 2 alongside Sakura Taisen GB2: Thunderbolt Sakusen for the Game Boy Color in Japan.
- 2002 - Puyo Puyo for Pocket PC is released for Pocket PCs in Japan. Sega Snowboarding is released for J2ME compatible phones in North America.
- 2005 - Sonic the Hedgehog is released for i-mode 90x compatible phones through Sega's Sonic Cafe portal in Japan.
- 2007 - Bingo Galaxy, Bingo Galaxy DX, and Ocha-ken "Hot" Medal, all medal games, are released in Arcades for the Sega System SP board alongside Virtua Fighter 5 Live Arena for the Xbox 360 and Doraemon Wii: Himitsu Dougu Ou Ketteisen! for the Wii in Japan.
- 2010 - Sega Mega Drive Classic Collection Volume 1 is released for Windows PCs in Russia.
- 2012 - Ryu ga Gotoku 5: Yume, Kanaeshi Mono Kouryaku Shinan no Sho, a book, is released alongside Ryu Uta: Ryu ga Gotoku 5 The Best Songs Collection, a CD, Ryu ga Gotoku 5: Yume, Kanaeshi Mono for the PlayStation 3, and Hatsune Miku Live Stage Producer for iOS in Japan. Ryu ga Gotoku 5: Yume, Kanaeshi Mono is released for the PlayStation 3 in South Korea.
- 2014 - Dairantou Smash Brothers for Wii U is released for the Wii U in Japan. Yakuza 4 and Yakuza: Dead Souls are made available for digital download on the PlayStation Store in North America.
- 2017 - Flashback, an aftermarket Sega Dreamcast game, is released in North America.
- 2018 - Football Manager 2019 Touch is released for the Nintendo Switch in North America. Sega Mega Drive Classics is released for the Nintendo Switch in Europe.
- 2023 - Ryu ga Gotoku 7 Gaiden Na wo Keshita Otoko Original Sound Track, a CD, is released in Japan.
Anniversaries/December (add)
- 1990 - Thunder Blade is released for the PC Engine alongside Head-On for the Game Boy in Japan.
- 1994 - Sonic the Hedgehog - Remix, a CD, is released in Japan. The Gigglebone Gang: AlphaBonk Farm is released for Windows PCs and Mac OS in North America.
- 1999 - Sonic the Hedgehog Pocket Adventure is released for the Neo Geo Pocket Color in North America.
- 2000 - Yuukyuu Gensoukyoku Hozonban Perpetual Collection, the last officially licensed Sega Saturn game, is released alongside Ao no 6-go Saigetsufutai Hito: Time and Tide, Charge 'N Blast, and Moero! Justice Gakuen for the Sega Dreamcast, as well as The Typing of the Dead for Windows PCs in Japan.
- 2001 - Sakura Taisen Kayou Show Goshuunen Kinen Kouen DVD Special Box "Kaijin Betsusou", a DVD for the stage play Sakura Taisen Kayou Show Goshuunen Kinen Kouen "Kaijin Betsusou", is released in Japan. Columns Crown is released for the Game Boy Advance in the United Kingdom while ChuChu Rocket! is released for the Game Boy Advance in Europe.
- 2004 - Football Manager 2005 is released for Windows PCs and Mac OS X in North America.
- 2005 - Sakura Taisen Christmas Paris/Tenshi no Hitomi, a CD, is released alongside Ikiningyou no Ma, a Large attraction, opening at Tokyo Joypolis in Japan.
- 2006 - Ryu ga Gotoku 2 is released for the PlayStation 2 alongside The Typing of the Dead Typing Lariat for Windows PCs in Japan. Full Auto 2: Battlelines is released for the PlayStation 3 in North America. Football Manager 2007 is released for the Xbox 360 alongside Super Monkey Ball: Banana Blitz for the Wii, Ecco the Dolphin, Golden Axe, and Sonic the Hedgehog for the Wii Virtual Console, and Football Manager Handheld 2007 for the PlayStation Portable, all in Australia.
- 2007 - Sonic Rivals 2 is released for the PlayStation Portable in the United Kingdom while Light Crusader and Rolling Thunder 2 are released for the Wii Virtual Console in Europe.
- 2009 - Shinobi is released for the Wii Virtual Console in North America.
- 2010 - WCCF Card Creator is released for iOS in Japan.
- 2011 - History of Sonic Music 20th Anniversary Edition, a CD, is released in Japan. Sonic & Sega All-Stars Racing is released for Windows PCs in Russia while Sonic Generations is made available for digital download on the PlayStation Store in Europe and Australia.
- 2012 - Sonic & All-Stars Racing Transformed is released for the PlayStation Vita in Europe and Australia.
- 2014 - Yakuza 4 and Yakuza: Dead Souls are made available for digital download on the PlayStation Store in Europe and Australia.
- 2016 - Persona5 The Animation: The Day Breakers, a DVD and Blu-ray, is released in Japan. Empire: Total War: The Complete Edition is released for Windows PCs in Niger. Rome: Total War: The Complete Edition and Warhammer 40,000: Dawn of War: Master Collection are released for Windows PCs in the United Kingdom.
- 2017 - Majima Best: Ryu ga Gotoku Goro Majima Karaoke All Time Best Collection, a CD, is released alongside Hiro 30th Anniversary Album: Thank You for Listening! for the Mora streaming platform, Ryu ga Gotoku Kiwami 2 for the PlayStation 4, and Pashamon for Android devices and iOS in Japan. Ryu ga Gotoku Kiwami 2 is released for the PlayStation 4 in South Korea and Taiwan alongside Pashamon for Android devices in North America, Europe, and Australia, as well as Streets of Rage being made available for the Sega Forever service for Android devices in North America, Europe, and Australia and for iOS in North America and Europe.
- 2018 - Sega Mega Drive Classics is released for the Nintendo Switch in North America and Australia alongside Super Smash Bros. Ultimate releasing for the Nintendo Switch in Japan, North America, Europe, Australia, South Korea, Taiwan, and Hong Kong.
- 2022 - Sonic Frontiers Original Soundtrack Stillness & Motion, a CD, is physically released alongside being made available to download from Amazon, iTunes, and Ototoy, and made available to stream from the AWA, Kkbox, Line, Mora, and Recochoku streaming platforms in Japan while it is made available to download for Amazon and iTunes in North America and Europe, streaming for Australia, and for Spotify and YouTube worldwide.
Anniversaries/December (add)
- 1989 - Shinobi is released for the PC Engine in Japan.
- 1990 - Wonder Boy is released for the Sega Game Gear in Japan.
- 1995 - Godzilla Kaijuu Daishingeki is released for the Sega Game Gear alongside Sanou Kaihatsu Series 4 Suiri - Kousei, Sanou Kaihatsu Series 5 Meiro - Kioku, and Sanou Kaihatsu Series 6 Ouyou Mondai for the Sega Pico, and Bug!: Jump Shite, Fundzukechatte, Pecchanko, Father Christmas, HatTrick Hero S, Hiyake no Omoide & Himekuri: Girls in Motion Puzzle Vol. 1, Virtua Fighter CG Portrait Series Vol. 5 Wolf Hawkfield, and Virtua Fighter CG Portrait Series Vol. 6 Lau Chan for the Sega Saturn in Japan. Center Ring Boxing is released for the Sega Saturn in North America. SimCity 2000 and Virtua Cop are released alongside the Virtua Gun peripheral for the Sega Saturn in Europe.
- 1999 - Worms Armageddon is released for the Sega Dreamcast in North America.
- 2000 - Paso Pico Doraemon: Nobita to Maigo no Kyouryuu is released for Windows PCs in Japan. The Samba de Amigo Maracas Controller are released for the Sega Dreamcast in the United Kingdom while AeroWings 2: Airstrike, Dave Mirra Freestyle BMX, Kao the Kangaroo, Mr. Driller, Quake III Arena, Samba de Amigo, Super Runabout: San Francisco Edition, UEFA Dream Soccer, and Ultimate Fighting Championship are released for the Sega Dreamcast in Europe. MTV Sports: Skateboarding Featuring Andy Macdonald is released for the Sega Dreamcast in Australia.
- 2005 - Ryu ga Gotoku Kouryaku Shinan no Sho, a book, is released alongside Oshare Majo Love and Berry: 2005 Autumn & Winter Song Collection, a CD, Ryu ga Gotoku for the PlayStation 2, Bleach GC: Tasogare ni Mamieru Shinigami for the Nintendo Gamecube, and Kouchuu Ouja Mushiking: Greatest Champion e no Michi DS for the Nintendo DS in Japan. Duo Pack: Sonic Heroes/Super Monkey Ball 2 is released for the Nintendo Gamecube alongside 2 in 1 Combo Pack: Sonic Heroes/Super Monkey Ball Deluxe and 2 in 1 Combo Pack: Sonic Mega Collection Plus/Super Monkey Ball Deluxe for the Xbox in North America.
- 2006 - Sonic Hopping is released for EZweb (BREW 3.1) compatible phones through Sega's Sonic Cafe portal in Japan. Super Monkey Ball: Banana Blitz is released for the Wii alongside Altered Beast, Dr. Robotnik's Mean Bean Machine, Ecco the Dolphin, Golden Axe, and Sonic the Hedgehog for the Wii Virtual Console in Europe.
- 2008 - The Sega Master System version of Sonic the Hedgehog 2 is released for the Wii Virtual Console in North America.
- 2009 - Sonic Jump is released for Club Air-Edge compatible phones through Sega's Puyo Puyo! Sega portal in Japan.
- 2010 - Sonic Free Riders Original Soundtrack: Break Free, a CD, is physically released alongside being made available to download from iTunes in Japan. The Camega is released in France. Sonic Free Riders Original Soundtrack: Break Free is made available to download from iTunes in North America and Europe.
- 2011 - Mario & Sonic at London Olympics is released for the Wii alongside Shining Force Chronicle II for Android devices through Sega's Puyo Puyo! Sega portal and Football Manager Handheld 2012 for iOS in Japan. Football Manager Handheld 2012 is released for iOS in North America, Europe, and Australia.
- 2014 - Chain Chronicle is released for iOS in North America.
- 2015 - Yakuza 5 is released for the PlayStation 3 in North America, Europe, and Australia.
- 2016 - Kiryu Best: Ryu ga Gotoku Kiryu Kazuma Karaoke All Time Best Collection and Puyo Puyo Chronicle 25-shuunen Anniversary CD, both CDs, are released alongside Ryu ga Gotoku 6: Inochi no Uta for the PlayStation 4 and Puyo Puyo Chronicle for the Nintendo 3DS in Japan. Ryu ga Gotoku 6: Inochi no Uta is released for the PlayStation 4 in Taiwan.
- 2020 - Sonic the Hedgehog Volume 7: All or Nothing, a book, is released alongside Puyo Puyo Tetris 2 for the PlayStation 4, Xbox One, Nintendo Switch, and PlayStation 5 in North America, Europe, and Australia while Valkyria Chronicles 4: Complete Edition is released for Stadia in North America and Europe.
- 2021 - Sonic the Hedgehog Encyclo-speed-ia, a book, is released in North America.
Anniversaries/December (add)
- 1988 - Space Harrier is released for the PC Engine in Japan.
- 1989 - Tatsujin is released for the Sega Mega Drive in Japan.
- 1992 - Streets of Rage is released for the Sega Game Gear in North America.
- 1994 - The Lion King and The Story of Thor: Hikari o Tsugumono are released for the Sega Mega Drive alongside Samurai Spirits for the Sega Game Gear and Clockwork Knight: Pepperouchau no Daibouken Joukan for the Sega Saturn in Japan.
- 1995 - The second Joypolis indoor theme park, Niigata Joypolis, is opened to the public.
- 1997 - Bust-A-Move 3 is released for the Sega Saturn in North America.
- 1999 - Bakuretsu Muteki Bangaioh, Jet Coaster Dream, Dennou Senki Virtual-On Oratorio Tangram M.S.B.S. Ver. 5.4, DreamFlyer, O.to.i.Re: Dreamcast Sequencer, Star Gladiator 2: Nightmare of Bilsten, and Golf Shiyouyo are released with the Dreamcast Taisen Cable and Dreamcast Twin Stick accessories for the Sega Dreamcast in Japan. Dream On Volume 4 is released for the Sega Dreamcast in Germany and the United Kingdom.
- 2000 - Super Runabout: San Francisco Edition is released for the Sega Dreamcast in France.
- 2003 - Disney Princesses: Princess ni Naritai is released for the Sega Pico in Japan.
- 2004 - Sonic Mega Collection Plus is released for the PlayStation 2 and Xbox alongside Sonic Heroes for Windows PCs in Japan.
- 2006 - Super Monkey Ball: Banana Blitz is released for the Wii in Spain.
- 2008 - Sonic Unleashed is released for the PlayStation 3 in Canada while Adventures of Sonic the Hedgehog Vol. 2, a DVD, is released in North America.
- 2009 - Let's Tap: Rhythm Tap Free is released for iOS in Japan, North America, and Europe.
- 2010 - Bakugan Battle Brawlers DS: Defenders of the Core is released for the Nintendo DS in Japan.
- 2011 - Shining Force Cross Raid Guide Book 2nd, a book, is released alongside Kingdom Conquest for Android devices in Japan. Sega Mega Drive Classic Collection Volume 4 is released for Windows PCs in Russia.
- 2013 - Saka Tsuku: Pro Soccer Club o Tsukurou! Perfect Guide, a book, is released in Japan.
- 2014 - Empire: Total War is released for Linux devices through Steam in North America, Europe, and Australia.
- 2015 - maimai PiNK is released in Japanese Arcades for the Sega RingEdge 2 board.
Anniversaries/December (add)
- 1987 - OutRun is released for the Amstrad CPC, Commodore 64, and ZX Spectrum in the United Kingdom.
- 1992 - Taz-Mania is released for the Sega Master System alongside Klax, Prince of Persia, Streets of Rage, and Super Off Road for the Sega Game Gear in Europe.
- 1993 - Dragon's Revenge, Lethal Enforcers, and Sonic the Hedgehog Spinball are released for the Sega Mega Drive alongside Nazo Puyo 2 for the Sega Game Gear, Psychic Detective Series Vol. 4: Orgel and Yumemi Yakata no Monogatari for the Sega Mega-CD, and Virtual Cameraman for the Sega Mega LD, all in Japan.
- 1995 - Virtua Fighter 2 Act.3, a book, is released in Japan.
- 1997 - GranDread Kouryaku Guide Book, a book, is released in Japan.
- 1998 - My Fair Lady: Virtual Mahjong II, Noël 3, Ruriiro no Yuki, and Yuukyuu Gensoukyoku Ensemble are released for the Sega Saturn in Japan.
- 1999 - NBA Showtime: NBA on NBC, NFL Blitz 2000, NFL Quarterback Club 2000, Soul Fighter, and Worms Armageddon are released for the Sega Dreamcast in Europe.
- 2000 - Dave Mirra Freestyle BMX is released for the Sega Dreamcast in Australia.
- 2002 - NCAA College Basketball 2K3 and NHL 2K3 are released for the Nintendo Gamecube in North America.
- 2003 - Let the Winds Blow Phantasy Star Online Episode III C.A.R.D. Revolution Original Sound Track, a CD, is released in Japan.
- 2007 - Universe at War: Earth Assault is released for Windows PCs in North America.
- 2010 - Sakura Taisen Paris Hanagumi & New York Hoshigumi Live 2010: Karenna Hanabana Kirameku Shinshin, a stage play, debuts in Japan.
- 2011 - WCCF IC 2010-2011 Yearbook, a book, is released in Japan.
- 2013 - Gendai Nihon ni Yatte Kita Sega no Megami ni Arigachi na Koto, a book, is released alongside Saka Tsuku Shoot! for Android devices and iOS in Japan.
- 2014 - Dengeki Bunko Fighting Climax Original Soundtrack, a CD, is released alongside Persona 4: The Golden Animation Vol. 4, a DVD and Blu-ray, in Japan.
- 2015 - Total War: Attila is released for Linux devices through Steam in North America, Europe, and Australia. Project Cross Zone 2 is released for the Nintendo 3DS in South Korea.
- 2019 - Sega Dreamcast: Collected Works, a book, is released alongside Football Manager 2020 Touch for the Nintendo Switch and Super Monkey Ball: Banana Blitz HD on Steam in North America. Football Manager 2020 Touch is released for the Nintendo Switch in Europe and Australia alongside Super Monkey Ball: Banana Blitz HD on Steam in Japan, Europe, and Australia.
- 2020 - Puyo Puyo Tetris 1 & 2 Original Soundtrack, a CD, is released alongside Puyo Puyo Tetris 2 for the PlayStation 4, Xbox One, Nintendo Switch, and PlayStation 5 in Japan. Puyo Puyo Tetris 2 is released for the PlayStation 4, Xbox One, Nintendo Switch, and PlayStation 5 in South Korea and Taiwan.
Anniversaries/December (add)
- 1992 - Power Athlete, Nakajima Satoru Kanshuu F1 Super License, Rampart, and Side Pocket are released for the Sega Mega Drive alongside Shinobi II: The Silent Fury for the Sega Game Gear in Japan.
- 1996 - Langrisser III Hisshou Kouryaku Hou, a book, is released alongside the CodeScape development environment in Japan. The CodeScape development environment is released in North America and Europe.
- 1997 - Arcana Strikes, Bishoujo Hanafuda Kikou Michinoku Hitou Koi Monogatari Special, Maria: Kimitachi ga Umareta Wake, Marie no Atelier Ver. 1.3: Salburg no Renkinjutsushi, Princess Crown, Private Idol Disc Vol. 10: Masaki Mai, Saturn Bomberman Fight!!, Shining Force III Scenario 1: Outo no Kyoshin, and Yuukyuu no Kobako Official Collection are released for the Sega Saturn in Japan.
- 1998 - Sonic R is released for Windows PCs in Japan.
- 2000 - Super Runabout: San Francisco Edition is released for the Sega Dreamcast in Spain.
- 2001 - Sakura Taisen 3: Paris wa Moeteiru ka Genga & Settei Shiryoushuu, a book, is released in Japan.
- 2002 - Sakura Taisen Zenkyokushuu Complete Song Box, a CD, is released in Japan. Shinobi is released for the PlayStation 2 in North America.
- 2003 - Derby Tsuku 3: Derby Ba wo Tsukurou! is released for the PlayStation 2 and Nintendo Gamecube in Japan.
- 2006 - Puyo Puyo Tsuu is released for Club Air-Edge compatible phones through Sega's Sega Ages portal in Japan. Dr. Robotnik's Mean Bean Machine and Gunstar Heroes are released for the Wii Virtual Console in North America.
- 2007 - Columns III: Taiketsu! Columns World is released for the Wii Virtual Console in Japan. NiGHTS: Journey of Dreams Official Strategy Guide, a book, is released in North America. The Golden Compass is released for the Xbox 360 in Australia.
- 2008 - Sangokushi Taisen 3 DVD Shousei Kekki, a DVD, is released alongside Samba de Amigo for the Wii in Japan.
- 2009 - Puyo Puyo 7 Original Soundtrack, a CD, is released in Japan. Alex Kidd in Shinobi World is released for the Wii Virtual Console in Europe and Australia.
- 2013 - Crackin' DJ Complete Album is made available for download from Amazon and iTunes and for the Mora streaming platform alongside Live! being made available for download from Amazon and for streaming through the Mora streaming platform in Japan. Live! is made available for download from Amazon alongside Sonic & Sega All-Stars Racing for Blackberry devices in North America and Europe.
- 2014 - Code of Joker Complete Ver. 1.3 begiNNing, a book, is released alongside Shining Resonance for the PlayStation 3 in Japan. Hatsune Miku: Project DIVA F 2nd is released for the PlayStation 3 and PlayStation Vita in Taiwan.
- 2019 - Tanglewood OST is made available to download from Bandcamp in North America.
- 2020 - Panzer Dragoon: Remake is released for the Xbox One in Japan, North America, Europe, and Australia.
- 2023 - Ryu ga Gotoku 7 Gaiden Na wo Keshita Otoko Kanzen Kouryaku Kyoku no Sho, a book, is released in Japan.
Anniversaries/December (add)
- 1987 - After Burner is released for the Sega Master System in Japan.
- 1990 - Cutie Suzuki no Ringside Angel is released for the Sega Mega Drive in Japan.
- 1991 - The Sega Mega-CD goes on sale for ¥49,800 with the games Heavy Nova and Sol-Feace in Japan.
- 1992 - Landstalker: Koutei no Zaihou Hisshou Kouryaku Hou, a book, is released in Japan.
- 1994 - Clockwork Knight: Pepperouchau no Daibouken, a book, is released in Japan.
- 1996 - Shining the Holy Ark Original Soundtrack, a CD, is released in Japan. Christmas NiGHTS into Dreams, Dark Savior, Dragon Force, Heir of Zendor: The Legend and The Land, and Virtual Casino are released for the Sega Saturn in North America.
- 1997 - Street Fighter Collection is released for the Sega Saturn in North America.
- 1998 - Magic Knight Rayearth is released for the Sega Saturn in North America.
- 2000 - Eldorado Gate Vol. 2 is released for the Sega Dreamcast in Japan. Record of Lodoss War is released for the Sega Dreamcast in Germany.
- 2002 - Space Channel 5 is released for the PlayStation 2 in Japan.
- 2003 - Space Channel 5: Ulala's Cosmic Attack is released for the Game Boy Advance in North America.
- 2007 - Universe at War: Earth Assault is released on Steam in North America.
- 2008 - Sonic Unleashed is released for the PlayStation 3 in North America. Boogerman: A Pick and Flick Adventure is released for the Wii Virtual Console in Europe.
- 2009 - Irides: Master of Blocks, an aftermarket Sega Dreamcast game, is released in North America.
- 2010 - Dennou Senki Virtual-On: Force is released for the Xbox 360 in Asian regions. Sonic Free Riders Original Soundtrack: Break Free is made available for download from Amazon in North America and Europe.
- 2012 - Kingdom Conquest II is released for Android devices and iOS in Japan. Sonic Rush Original Groove Rush, Sonic Riders Original Soundtrack "Speedbeats Grand Prix", and Sonic Riders Shooting Star Story Original Soundtrack "Zero Gravity Tracks" are made available for download from Amazon in North America. Sonic Riders Original Soundtrack "Speedbeats Grand Prix" and Sonic Riders Shooting Star Story Original Soundtrack "Zero Gravity Tracks" are made available for download from Amazon in Europe. Football Manager 2013 is released for Windows PCs in South Korea.
- 2013 - Drama CD Puyo Puyo Vol. 4, a Drama CD, is released alongside World Club Champion Football 2012-2013 in Arcades for the Sega RingEdge board in Japan. 3D Ecco the Dolphin and 3D Galaxy Force II are released for the Nintendo 3DS alongside Sonic the Hedgehog 2 for Android devices and iOS in North America, Europe, and Australia.
- 2016 - UFO Catcher 9 Second, a prize game, is released in Japanese Arcades.
- 2017 - Sonic Forces Original Soundtrack - A Hero Will Rise and Sonic Forces Vocal Traxx - On the Edge are made available for download from Amazon in Japan.
- 2019 - Mega Drive Mini: Celebration Album, a CD, is released alongside Shin Sakura Taisen for the PlayStation 4 in Japan. Shin Sakura Taisen is released for the PlayStation 4 in South Korea and Taiwan. Chao In Space, a one-shot animated short, is released on YouTube.
Anniversaries/December (add)
- 1987 - Tri Formation is released for the Sega Master System in Japan.
- 1991 - NHK Taiga Drama: Taiheiki is released for the Sega Mega Drive alongside Arliel: Crystal Densetsu for the Sega Game Gear in Japan.
- 1996 - Sakura Taisen Genga & Settei Shiryoushuu, a book, is released alongside G Sonic for the Sega Game Gear, Battle Athletess Daiundoukai, Daisenryaku Pack, Discworld, Enemy Zero, Funky Fantasy, Jikkyou Oshaberi Parodius: Forever With Me, MeltyLancer: Ginga Shoujo Keisatsu 2086, Panzer Dragoon I & II, Shusse Mahjong Daisettai, Space Invaders, and Tactics Ogre for the Sega Saturn, as well as Ecco the Dolphin for Windows PCs in Japan.
- 2000 - Resident Evil 2 and The King of Fighters: Evolution are released for the Sega Dreamcast in North America.
- 2001 - Saka Tsuku Tokudaigou 2: J.League Pro Soccer Club o Tsukurou! is released for the Sega Dreamcast alongside Columns Crown for the Game Boy Advance, as well as Sonic Tennis being released for i-mode 503i compatible phones through Sega's Sonic Cafe portal in Japan.
- 2002 - Azumanga Daioh Puzzle Bobble is released in Japanese Arcades for the Sega NAOMI GD-ROM board.
- 2006 - Sakura Taisen Zenkyokushuu 2002-2006, a CD, is released in Japan.
- 2007 - MJ3 Evo DVD Mahjong Juku 5-kan and MJ3 Evo DVD Mahjong Juku 6-kan, both DVDs, are released alongside Sangokushi Taisen 3 in Arcades for the Sega Lindbergh board alongside NiGHTS: Hoshi Furu Yoru no Monogatari for the Wii in Japan. The Golden Compass is released for the PlayStation 2, Wii, PlayStation 3, Nintendo DS, PlayStation Portable, and Windows PCs in Australia.
- 2012 - Phantasy Star Online 2 Master Guide Book, a book, is released alongside Drama CD Puyo Puyo Vol. 2, a Drama CD, maimai Plus in Arcades for the Sega RingEdge 2 board, Football Manager Handheld 2013 for Android devices and iOS, and Rusty Hearts for Windows PCs in Japan. Shinobi is made available for digital download on the PlayStation Store in South Korea. Football Manager Handheld 2013 is released for Android devices and iOS in North America and Europe.
- 2013 - Sonic the Hedgehog 2 is released for Android devices and iOS in Japan.
- 2017 - Sonic Forces Original Soundtrack - A Hero Will Rise and Sonic Forces Vocal Traxx - On the Edge, both CDs, are released physically in Japan and made available to download for iTunes and the Mora streaming platform in Japan and made available to download for Amazon, Google Play, and iTunes in North America and Europe.
- 2018 - Judge Eyes: Shinigami no Yuigon Original Soundtrack, a CD, is released alongside the game it is for, Judge Eyes: Shinigami no Yuigon, in Japan. Sega Ages Phantasy Star is released for the Nintendo Switch in North America and Europe alongside Judge Eyes: Shinigami no Yuigon for the PlayStation 4 in South Korea and Taiwan.
Anniversaries/December (add)
- 1985 - Fushigi no Oshiro Pit Pot is released for the Sega Master System in Japan.
- 1986 - Astro Warrior is released for the Sega Master System in Japan.
- 1989 - Mahjong Cop Ryuu: Hakurou no Yabou is released for the Sega Mega Drive in Japan.
- 1990 - Atomic Robo-Kid, Elemental Master, and Gambler Jiko Chuushinha: Katayama Masayuki no Mahjong Doujou are released for the Sega Mega Drive in Japan.
- 1991 - Nostalgia 1907 is released for the Sega Mega-CD in Japan.
- 1992 - Lotus Turbo Challenge is released for the Sega Mega Drive in the United Kingdom while Ariel the Little Mermaid, John Madden Football '93, Lemmings, Risky Woods, TaleSpin, and World of Illusion Starring Mickey Mouse and Donald Duck are released for the Sega Mega Drive in Europe.
- 1993 - James Pond 3: Operation Starfish and Lotus II: RECS are released for the Sega Mega Drive in Europe.
- 1995 - Elitserien 96 is released for the Sega Mega Drive in Sweden. Victory Boxing Demo is released for the Sega Saturn in the United Kingdom.
- 1996 - 3D Baseball is released for the Sega Saturn in North America.
- 1999 - Dreamcast Power, a book, is released in Germany.
- 2000 - Dejiko no Maibura, Guilty Gear X, Neppachi IV @VPACHI: CR Ah! Hanano Ouendan 3, Neppachi V @VPACHI: CR Monster House, and Samba de Amigo Ver.2000 are released with the Memory Card 4x peripheral for the Sega Dreamcast in Japan. POD 2 is released for the Sega Dreamcast in France. Disney's Donald Duck Quack Attack and Tony Hawk's Pro Skater 2 are released for the Sega Dreamcast in Germany. Capcom vs. SNK: Millennium Fight 2000, Record of Lodoss War, and Street Fighter III: 3rd Strike are released for the Sega Dreamcast in Spain.
- 2001 - Paso Pico Doraemon: Time Machine de Daibouken! is released for Windows PCs in Japan.
- 2005 - Sega Network Taisen Mahjong MJ3 is released in Arcades for the Sega Chihiro Satellite Terminal board alongside Flicky Kanzenban for Vodafone Live! (256KB) compatible phones through Sega's Sega Ages portal in Japan.
- 2006 - Phantasy Star Universe is released for the Xbox 360 alongside Bleach Wii: Hakujin Kirameku Rondo for the Wii, Fushigi no Dungeon: Fuurai no Shiren DS and Puyo Puyo! for the Nintendo DS, and Kyouto Daigaku Atsuji Tetsuji Kyouju Kansyuu: Zaidanhoujin Nihon Kanjinouryoku Kentei Kyoukai Kyouryoku: Kanji Trainer Portable for the [[PlayStation Portable, all in Japan.
- 2007 - The Golden Compass is released on Steam in North America and released physically for Windows PCs in Poland.
- 2009 - Earthworm Jim 2 is released for the Wii Virtual Console in North America.
- 2010 - Pier Solar and the Great Architects, an aftermarket Sega Mega Drive game, is released in North America.
- 2011 - Sonic the Hedgehog CD is released for the Xbox 360 in North America, Europe, and Australia, for Android devices in North America and Europe, and for the PlayStation 3 in Europe and Australia.
- 2017 - maimai MiLK is released in Japanese Arcades for the Sega RingEdge 2 board.
- 2018 - Sega Ages Phantasy Star is released for the Nintendo Switch in Australia.
- 2020 - Football Manager 2021 Touch is released for the Nintendo Switch in North America.
- 2022 - Technosoft Music Collection: Elemental Master, a CD, is released in Japan.
- 2023 - Virtua Fighter 3tb Online Premium Music Collection, a CD, is released in Japan.
Anniversaries/December (add)
- 1985 - Great Baseball is released for the Sega Master System in Japan.
- 1986 - High School! Kimengumi is released for the Sega Master System in Japan.
- 1989 - Mega Drive no Subete, a book, is released alongside Mega Selection, a Compact Cassette and CD, as well as Herzog Zwei for the Sega Mega Drive in Japan.
- 1990 - Magical Hat no Buttobi Turbo! Daibouken is released for the Sega Mega Drive alongside G-LOC: Air Battle and Soukoban for the Sega Game Gear in Japan.
- 1991 - Mega Selection II, a CD, is released in Japan.
- 1992 - Dokusen! Taikan Game Hisshou Guidebook and Landstalker: Koutei no Zaihou Game Guide Book, both books, are released in Japan. Streets of Rage 2 is released for the Sega Mega Drive in North America.
- 1993 - Virtua Racing & OutRunners, a CD, is released in Japan.
- 1994 - Gamemaster: Conquering Sega Genesis Games, a book, is released in North America.
- 1995 - Super Momotarou Dentetsu III is released for the Sega Game Gear alongside Chibi Maruko-Chan no Taisen Pazuru Dama, Clockwork Knight: Pepperouchau no Fukubukuro, Darius Gaiden, DX Jinsei Game, EMIT Value Set, Gunbird, Wangan Dead Heat, Kaitei Daisensou, Kekkon: Marriage, Magical Drop, and The Hyper Golf: Devil's Course for the Sega Saturn in Japan. Gex is released for the Sega Saturn in North America.
- 1997 - Ginga Ojousama Densetsu Yuna Mika Akitaka Illust Works 2 is released for the Sega Saturn in Japan.Sega 350 Igr, a book, is released in Russia.
- 1999 - Test Drive 6 is released for the Sega Dreamcast in North America. Soul Fighter is released for the Sega Dreamcast in Spain. PenPen, Sega Worldwide Soccer 2000, and Tokyo Highway Challenge are released for the Sega Dreamcast in Australia.
- 2000 - Disney's Donald Duck Goin' Quackers and Speed Devils Online Racing are released for the Sega Dreamcast in North America. Disney's Donald Duck Quack Attack is released for the Sega Dreamcast in the United Kingdom while Capcom vs. SNK: Millennium Fight 2000, Disney's 102 Dalmatians: Puppies to the Rescue, POD 2, Record of Lodoss War, Star Wars Demolition, Street Fighter III: 3rd Strike, The Grinch, Tomb Raider: Chronicles, Tony Hawk's Pro Skater 2, and Tokyo Highway Challenge 2 are released for the Sega Dreamcast in Europe. Disney's Dinosaur and Sega GT are released for the Sega Dreamcast in Australia.
- 2003 - Sonic the Hedgehog: The Movie, a DVD, is released in the United Kingdom.
- 2004 - SegaRocks Live in Japan, a CD, is released alongside 1000 Mile Monogatari for Vodafone Live! (256KB) compatible phones through Sega's Pet * Sega portal and Hanagumi Columns for i-mode 504i and J-Sky (50KB) compatible phones through Sega's Sakura Taisen Keitai Club portal in Japan.
- 2005 - Jissen Pachi-Slot Hisshouhou! Aladdin 2 Evolution is released for the PlayStation 2 alongside Shadow the Hedgehog for the PlayStation 2, Nintendo Gamecube, and Xbox in Japan. Cool Herders, an aftermarket Sega Dreamcast game, is released in North America.
- 2006 - Wild Jungle Brothers, a Mid-size attraction and Fortune Forest, a Large attraction, both debut at Tokyo Joypolis in Japan. Columns, Gunstar Heroes, and Ristar are released for the Wii Virtual Console in Europe.
- 2008 - Sega Soccer Slam is released for the Xbox 360 though the Xbox Originals program alongside Enduro Racer for the Wii Virtual Console in North America.
- 2009 - Zaxxon is released for the Wii Virtual Console in Japan.
- 2010 - Touch de Uno! DX: Hansha Shinkei Hen is released for Vodafone Live! (3G) compatible phones through Sega's Puyo Puyo! Sega portal in Japan.
- 2011 - Puyo Puyo!! Anniversary Sound Collection, a CD, is released alongside the game it for, Puyo Puyo!!, for the Wii, PlayStation Portable, and Nintendo 3DS, as well as Hatsune Miku: Project DIVA Extend being made available for digital download on the PlayStation Store in Japan. Sonic the Hedgehog CD is released for iOS in North America and Europe.
- 2012 - Border Break Artworks 2006-2012, a book, is released in Japan.
- 2014 - Shining Resonance is released for the PlayStation 3 in South Korea.
- 2015 - Wild River The Treasure Hunt, a Mid-size attraction, debuts at Tokyo Joypolis in Japan.
- 2016 - maimai Murasaki is released in Japanese Arcades.
- 2017 - The Super Retro Trio Plus, a clone console manufactured by Retro-bit, is released in the United Kingdom while Streets of Rage Perfect Soundtrack, a CD, is released alongside Sega Catcher Online for Android devices in Europe. Sega Catcher Online is released for Android devices in Japan, North America, and Australia.
- 2018 - S.S.T. Band: 30th Anniversary Box, a CD, is released in Japan.
- 2020 - Sakura Kakumei: Hana Saku Otome-tachi is released for Android devices and iOS in Japan.
- 2022 - Alien Storm, Columns, Golden Axe II, and Virtua Fighter 2 Genesis are released for the Nintendo Switch Online service for the Nintendo Switch in North America. Sonic Frontiers: The Music of Starfall Islands, a vinyl album, is released in the United Kingdom. Sonic Prime begins streaming through the Netflix streaming service worldwide.
Anniversaries/December (add)
- 1987 - After Burner, a VHS, is released in Japan.
- 1989 - Vermilion is released for the Sega Mega Drive in Japan.
- 1992 - Landstalker: Koutei no Zaihou, a CD, is released in Japan.
- 1993 - Psygnosis Big Three CD, a Demo Disc, is released for the Sega Mega-CD in the United Kingdom.
- 1994 - Nigel Mansell IndyCar, Mickey to Minnie Magical Adventure 2, and Tom and Jerry are released for the Sega Mega Drive alongside From TV Animation Slam Dunk: Shouri-e no Starting 5, Mahou Kishi Rayearth, and Puyo Puyo Tsuu for the Sega Game Gear, as well as Virtua Racing Deluxe for the Super 32X, all in Japan. Ecco: The Tides of Time Official Strategy Guide, a book, is released in North America.
- 1997 - Azel: Panzer Dragoon RPG, a CD, is released alongside Azel: Panzer Dragoon RPG Taikenban for the Sega Saturn in Japan.
- 1998 - Sonic Adventure Remix, a CD, is released in Japan.
- 1999 - Christmas Seaman: Omoi o Tsutaeru Mou Hitotsu no Houhou, Nobunaga no Yabou: Reppuden, Oukahouzin: Ouka Sakishi Toki, Puyo Puyo Da! Featuring Ellena System, Space Channel 5, Street Fighter III: W Impact, and Berserk: Sennen Teikoku no Taka Hen Wasurebana no Shou are released for the Sega Dreamcast in Japan. Evolution: The World of Sacred Device is released for the Sega Dreamcast in North America.
- 2000 - Disney's Donald Duck Quack Attack and Tokyo Highway Challenge 2 are released for the Sega Dreamcast in France.
- 2004 - Chaos Field is released for the Sega Dreamcast alongside Derby Owners Club Online for Windows PCs in Japan.
- 2008 - Let's Catch is released for the Wii's WiiWare service alongside Earthworm Jim for the Wii Virtual Console, as well as Crossword no Mori 2: Ubawa Reta Mori for Club Air-Edge compatible phones through Sega's Puyo Puyo! Sega portal in Japan. Sonic Unleashed is released for the PlayStation 3 in Australia.
- 2009 - True Colors: The Best of Sonic the Hedgehog Part 2, a CD, is released alongside Sonic Bowling for mobile phones in Japan.
- 2010 - Shining Hearts Saisoku Guide Book, a book, is released alongside the game it is for, Shining Hearts for the PlayStation Portable and Ikenai Koi Mail for EZweb (BREW 3.1) compatible phones through Sega's Puyo Puyo! Sega portal in Japan. Altered Beast, Football Manager Handheld 2011, and Sonic the Hedgehog Spinball are released for iOS in North America, Europe, and Australia.
- 2011 - THAT'S PARADiCE, a medal game, is released in Arcades alongside Sonic the Hedgehog CD for Android devices in Japan. Super Monkey Ball 2: Sakura Edition is released for iOS in North America. The Mega Drive Junior, an unlicensed clone console made by Dongguan Dewei Electronic Co., Ltd, is released in Russia.
- 2017 - Streets of Rage 3, a vinyl album, is released in the United Kingdom.
- 2020 - PAPRIUM, an aftermarket Sega Mega Drive game, is released worldwide.
- 2021 - Lego Marvel Super Heroes The Game is released for the Nintendo Switch in Japan. Altered Beast, Dynamite Headdy, Sword of Vermilion, Thunder Force II, and ToeJam & Earl are released for the Nintendo Switch Online service for the Nintendo Switch in North America.
- 2022 - Alien Storm, Columns, Golden Axe II, and Virtua Fighter 2 Genesis are released for the Nintendo Switch Online service for the Nintendo Switch in Japan, Europe, and Australia.
Anniversaries/December (add)
- 1990 - CCD Cart, Cyber Dome, and Space Hard, all Large attractions, debut at Carnival in Japan.
- 1992 - Smash T.V. is released for the Sega Game Gear in Europe.
- 1993 - Boogie Woogie Bowling, J.League Pro Striker Kanzenban, Jungle Strike: Uketsugareta Kyouki, Metal Fangs, New 3D Golf Simulation: Harukanaru Augusta, and Phantasy Star: Sennenki no Owari ni are released for the Sega Mega Drive alongside Donald Duck no Yottsu no Hihou, Faceball 2000, Mortal Kombat Kanzen-ban, and Taisen Mahjong HaoPai 2 for the Sega Game Gear in Japan. Blades of Vengeance is released for the Sega Mega Drive in Europe.
- 1994 - Lethal Enforcers II: Gun Fighters is released for the Sega Mega Drive in Europe.
- 1996 - Command & Conquer is released for the Sega Saturn in North America.
- 1997 - Yu Suzuki Produce After Burner II, a CD, is released alongside Last Bronx Radio Drama Vol. 4, a Drama CD, in Japan.
- 1998 - Farland Saga: Toki no Michishirube and Yoshimoto Mahjong Club are released for the Sega Saturn alongside Incoming: Jinrui Saisyuu Kessen for the Sega Dreamcast in Japan.
- 1999 - D2 Original Sound Track and Sega Rally 2 Re-Arrange Album: Another Entries, both CDs, are released in Japan. Re-Volt is released for the Sega Dreamcast in North America. NBA Showtime: NBA on NBC is released for the Sega Dreamcast in Spain.
- 2001 - Soccer Eleven is released for i-mode 503i compatible phones in Japan. Conflict Zone is released for the Sega Dreamcast in North America.
- 2003 - Guilty Gear Isuka is released in Arcades for the Atomiswave board alongside Cupid-chan for J-Sky (50KB) compatible phones through Sega's Ulala no Channel J portal and Teddy Boy Blues for J-Sky (50KB) compatible phones through Sega's Sega Ages portal in Japan.
- 2004 - Kaze to Akatsuki no Musume: Panzer Dragoon Orta and Shining Tears Final Complete Guide, both books, are released in Japan.
- 2005 - Gekijou-ban Kouchuu Ouja Mushiking: Greatest Champion e no Michi, a DVD, is released in Japan.
- 2007 - Alien Storm is released for the Wii Virtual Console in North America.
- 2008 - Ai Sareruyori Ai Shitai: The House of the Dead EX is released in Japanese Arcades for the Sega Lindbergh Red board.
- 2009 - Jewelpet Mahou no DS Kirapi Kariin is released for the Nintendo DS in Japan.
- 2010 - Juuouki and Sonic the Hedgehog Spinball are released for iOS in Japan.
- 2011 - Power Smash 4 is released for the PlayStation Vita in Japan.
- 2012 - Quiz Answer X Answer Pocket is released for iOS in Japan. NiGHTS into Dreams is released on Steam in North America, Europe, and Australia.
- 2013 - Ange Vierge: Dai 2 Fuuki-iin Girls Battle is released for Android devices and iOS in Japan.
- 2015 - Dengeki Bunko Fighting Climax Ignition is released for the PlayStation 3, PlayStation 4, and PlayStation Vita alongside Miracle Girls Festival for the PlayStation Vita in Japan and Taiwan. Medieval II: Total War is released for the Mac App Store in North America and Europe.
- 2020 - Astro City Mini: Celebration Album, a CD, is released alongside WCCF Footista 2021 being released in Arcades for the ALLS UX board, as well as the Astro City Mini releasing with the Astro City Mini Arcade Stick, Astro City Mini Control Pad, and the Astro City Mini Game Center Style Kit accessories in Japan.
- 2021 - Altered Beast, Dynamite Headdy, Sword of Vermilion, Thunder Force II, and ToeJam & Earl are released for the Nintendo Switch Online service for the Nintendo Switch in Japan, Europe, and Australia.
Anniversaries/December (add)
- 1987 - Thunder Blade is released in Japanese Arcades for the Sega X Board board.
- 1990 - Dangerous Seed is released for the Sega Mega Drive in Japan.
- 1992 - Pachinko Kuunyan, Puyo Puyo, R.B.I. Baseball 4, and I Love Mickey and Donald: Fushigi na Magic Box are released for the Sega Mega Drive alongside Kuni Chan no Game Tengoku Part 2 for the Sega Game Gear, and After Burner III, Gambler Jiko Chuushinha 2: Gekitou! Tokyo Mahjong Land Hen, and Road Blaster FX for the Sega Mega-CD in Japan. Jerry Glanville's Pigskin Footbrawl is released for the Sega Mega Drive in North America. Ex-Mutants is released for the Sega Mega Drive in Europe.
- 1996 - Geki! Teikoku Kagekidan and Sakura Taisen Teigeki Kayou Zenshuu, both CDs, are released in Japan.
- 1997 - Sakura Taisen: Ouka Kenran Vol. 1, a VHS and LaserDisc, is released alongside Crows: The Battle Action for SegaSaturn, DJ Wars, Grandia, Junclassic C.C. & Rope Club, Kyuukyoku Tiger II Plus, Ninpen Manmaru, OoEdo Renaissance, Private Idol Disc Vol. 11: Hirose Mayumi, R?MJ The Mystery Hospital, Suikoden Tendou 108 Sei, Texthoth Ludo: Arcanum Senki, Twinkle Star Sprites, Ultraman Zukan 2, Universal Nuts, and Zap! Snowboarding Trix '98 for the Sega Saturn in Japan. FIFA Road to World Cup 98, NBA Live 98, and Steep Slope Sliders are released for the Sega Saturn in North America.
- 1998 - J.League Pro Soccer Club o Tsukurou! 2 Official Fan Book, a book, is released alongside Sakura Taisen Kayou Show Teikoku Kagekidan Dai 2-kai Hanagumi Tokubetsu Kouen "Tsubasa": Sound Album, a CD for the stage play Sakura Taisen Kayou Show Teikoku Kagekidan Dai 2-kai Hanagumi Tokubetsu Kouen "Tsubasa", and Sakura Taisen: Ouka Kenran, a DVD, in Japan.
- 1999 - Sakura Taisen: Gouka Kenran Chapter 1, a VHS, LaserDisc, and DVD, is released in Japan. Seventh Cross Evolution is released for the Sega Dreamcast in North America.
- 2000 - Evil Dead: Hail to the King is released for the Sega Dreamcast in North America. Chicken Run is released for the Sega Dreamcast in Australia.
- 2002 - Sakura Taisen: Kanzaki Sumire Intai Kinen Su-mi-re, a VHS and DVD, is released alongside Hitori de Puyo Puyo for J-Sky (50KB) compatible phones through Sega's Sega Ages portal and Puyo Puyo for EZweb (Java Phase 2/2.5) compatible phones through Sega's Sega Ages portal in Japan.
- 2003 - Sega Ages 2500 Series Vol. 7: Columns is released for the PlayStation 2 alongside Astro Boy: Tetsuwan Atom: Atom Heart no Himitsu for the Game Boy Advance, and Sonic Adventure DX: Director's Cut for Windows PCs in Japan. OutRun 2 is released in North American Arcades for the Sega Chihiro board.
- 2006 - Space Harrier II is released for the Wii Virtual Console in North America.
- 2007 - NiGHTS: Hoshi Furu Yoru no Monogatari Dream Flight Guide, a book, is released alongside Party Quiz Mega Q for the Wii Virtual Console in Japan. Sonic Underground: The Greatest Hits, a CD, is released alongside Sonic Underground Vol. 1, a DVD, NiGHTS: Journey of Dreams for the Wii, and Sonic the Hedgehog for the iPod in North America.
- 2008 - Network Taisen Quiz Answer X Answer 2 is released in Arcades for the Sega Lindbergh Red board alongside Bleach: Versus Crusade, Let's Tap, and Sonic World Adventure for the Wii, as well as Virtua Racing for EZweb (BREW 4.0) compatible phones through Sega's Puyo Puyo! Sega portal in Japan.
- 2012 - Hanafuda Asobi: Koi Koi Shimasho is released for Android devices through Sega's Puyo Puyo! Sega portal in Japan. Sonic & All-Stars Racing Transformed is made available for digital download on the PlayStation Store in North America and released for the PlayStation Vita in Europe. Ryuu ga Gotoku 1&2 HD Edition is made available for digital download on the PlayStation Store in South Korea while it is released for the PlayStation 3 in Taiwan alongside Fighting Vipers, Sonic the Fighters, and Virtua Fighter 2 for the PlayStation 3 in South Korea and Taiwan.
- 2013 - Hatsune Miku: Project DIVA Arcade Original Song Collection Vol. 3, a CD, is released alongside 3D After Burner II for the Nintendo 3DS in Japan.
- 2014 - Sonic Toon: Taiko no Hihou is released for the Wii U alongside Sega 3D Fukkoku Archives and Sonic Toon: Island Adventure for the Nintendo 3DS in Japan. Shogun 2: Fall of the Samurai is released for Mac OS X devices through Steam and the Mac App Store in North America and Europe.
- 2015 - The World End Eclipse is released for Windows PCs in Japan.
- 2017 - Sega Catcher Online is released for iOS in Japan.
- 2018 - Persona 3: Dancing in Moonlight, Persona 5: Dancing in Starlight, and P3D & P5D Bundle + Megaverse Costume Pack are released for the PlayStation Vita in North America.
- 2019 - Space Channel 5 20th Anniversary "GyunGyun Selection", a physical CD, is released and made available to download and stream for Amazon, iTunes, and the Mora streaming platform in Japan and made available to download and stream for Amazon and iTunes in North America and Europe.
- 2020 - The PlayStation 4 Limited Run Games version of Panzer Dragoon: Remake is made available to order from their website.
Anniversaries/December (add)
- 1991 - QuackShot Starring Donald Duck is released for the Sega Mega Drive in North America.
- 1992 - Chakan is released for the Sega Game Gear in Europe.
- 1994 - Virtua Fighter Sega Saturn Fighting Manual Vol. 1 for Novice, a book, is released in Japan.
- 1996 - Sega Ages: Volume 1 is released for the Sega Saturn in Europe.
- 1999 - Suzuki Alstare Extreme Racing is released for the Sega Dreamcast in Australia.
- 2000 - The Next Tetris: On-Line Edition is released for the Sega Dreamcast in North America.
- 2001 - Sakura Taisen Katsudou Shashin Zenkyokushuu, a CD, is released in Japan.
- 2002 - Panzer Dragoon Orta: Die Panzer Dragoons Chronik, a CD, is released alongside The House of the Dead III in Arcades for the Sega Chihiro board, Sonic Mega Collection for the Nintendo Gamecube, Panzer Dragoon Orta for the Xbox, Sega Rally Championship and Sonic Advance 2 for the Game Boy Advance, Puyo Puyo DX Christmas Ver. for i-mode 504i compatible phones through Sega's Sonic Cafe portal, and J.League Pro Soccer Club o Tsukurou! Bonus Pack and J.League Pro Soccer Club o Tsukurou! Power-Up Kit for Windows PCs in Japan. Vectorman is released for RealOne Arcade in North America.
- 2003 - Radio DC No. 3: Mafuyu ni Kiku Game Ongaku, a CD, is released alongside Ocha-ken no Heya for the Game Boy Advance in Japan.
- 2005 - Sakura Taisen Teikoku Kagekidan Hanagumi Super Kayou Show "Shin Aoi Tori" DVD Box, a DVD for the stage play Sakura Taisen Teikoku Kagekidan Hanagumi Super Kayou Show "Shin Aoi Tori", is released in Japan.
- 2006 - Ryu ga Gotoku 2 Kouryaku Shinan no Sho, a book, is released in Japan.
- 2007 - Sonic the Hedgehog is released for the iPod in Japan.
- 2008 - Sonic Unleashed is released for the PlayStation 3 in Europe and South Korea.
- 2010 - StarHorse 2 Final Destination Haigou Data Book, a book, is released in Japan.
- 2011 - Sonic the Hedgehog CD and WCCF Card Creator 2010-2011 are released for iOS in Japan.
- 2012 - Seven Rings in Hand: Sonic and the Secret Rings Original Sound Track and Sonic and the Black Knight Official Soundtrack are made available for download from Amazon alongside Sega Ages 2500 Series Vol. 32: Phantasy Star Complete Collection being released for the PlayStation 3 in Japan. The History of Sonic the Hedgehog, a book, is released alongside Shadow the Hedgehog Official Soundtrack, Sonic the Hedgehog Original Sound Track, Seven Rings in Hand: Sonic and the Secret Rings Original Sound Track, Planetary Pieces: Sonic World Adventure Original Soundtrack, and Sonic and the Black Knight Official Soundtrack being made available for download from Amazon as well as Virtua Fighter 5: Final Showdown Guide being released for iOS in North America. Shadow the Hedgehog Official Soundtrack, Sonic the Hedgehog Original Sound Track, Seven Rings in Hand: Sonic and the Secret Rings Original Sound Track, Planetary Pieces: Sonic World Adventure Original Soundtrack, and Sonic and the Black Knight Official Soundtrack are made available for download from Amazon in Europe. Sonic & All-Stars Racing Transformed is released for the PlayStation Vita in South Korea and Taiwan.
- 2013 - Code of Joker Complete Ver. 1.1: Arcana no Kakusei, a book, is released alongside Baku Baku Animal for Android devices in Japan. 3D Shinobi III and 3D Streets of Rage are released for the Nintendo 3DS in North America, Europe, and Australia.
- 2018 - UFO Catcher Duet, a prize game, is released in Arcades alongside Phantasy Star Online 2 Cloudfor Windows PCs in Japan. Persona 3: Dancing in Moonlight and Persona 5: Dancing in Starlight are released for the PlayStation 4 and PlayStation Vita alongside P3D & P5D Bundle + Megaverse Costume Pack for the PlayStation Vita in Europe and Australia.
Anniversaries/December (add)
- 1985 - Satellite 7 is released for the Sega Master System in Japan.
- 1986 - Great Golf is released for the Sega Master System in Japan.
- 1987 - Phantasy Star and Opa Opa are released for the Sega Master System in Japan.
- 1990 - Crack Down and Darius II are released alongside the Mega Pad third party controller for the Sega Mega Drive in Japan.
- 1991 - Dahna Megami Tanjou, Double Dragon II: The Revenge, F1 Circus MD, Nakajima Satoru Kanshuu F1 Grand Prix, Nobunaga no Yabou: Bushou Fuuunroku, I Love Donald Duck: Guruzia Ou no Hihou, Task Force Harrier EX, and Undeadline are released for the Sega Mega Drive alongside Donald Duck no Lucky Dime for the Sega Game Gear and Earnest Evans and Wakusei Woodstock: Funky Horror Band for the Sega Mega-CD, all in Japan. Slaughter Sport is released for the Sega Mega Drive in North America.
- 1993 - Hi-Roller Battle and Rocket Coaster are released for the Sega Mega LD in Japan.
- 1994 - Tecmo Super Bowl II: Special Edition is released for the Sega Mega Drive alongside NBA Jam for the Sega Mega-CD in Japan.
- 1995 - Magic Knight Rayearth Visual Guide Book and Sega Rally Championship Competition Driving Guide, both books, are released alongside Virtua Fighter Soundtrack Vol. 1: Shinshou Hassei, a CD, in Japan.
- 1996 - Virtua Fighter 3 Act.1 and Virtua Fighter 3 Act.2, both books, are released alongside Airs Adventure, Aponasi Gals Olympos, Aquazone Option Disc Series 1 Angel Fish, Aquazone Option Disc Series 2 Black Molly, Aquazone Option Disc Series 3 Blue Emperor, Aquazone Option Disc Series 4 Clown Loach, Aquazone Option Disc Series 5 False Rummy-Nose, Can Can Bunny Premiere 2, DX Nippon Tokkyuu Ryokou Game, Eisei Meijin II, m: Kimi o Tsutaete, NIGHTRUTH: Explanation of the paranormal - "Maria", Nissan Presents Over Drivin' GT-R, Pyon Pyon Kyaruru no Mahjong Hiyori, Ryougae Puzzle Game Moudjiya, Shining the Holy Ark, Street Racer Extra, Ultraman: Hikari no Kyojin Densetsu, and Virtual Kyoutei for the Sega Saturn in Japan. Andretti Racing, Blast Chamber, TNN Motor Sports HardCore 4x4, Tempest 2000, VR Golf '97, and VR Soccer are released for the Sega Saturn in North America.
- 1997 - Falcom Classics Chou Kouryaku Guide, Sega Touring Car Championship Hisshou Kouryaku Hou, and Zero Divide: The Final Conflict Perfect Guide Book, all books, are released alongside Dragon's Dream for the Sega Saturn in Japan.
- 1998 - Shenmue/Shenhua, a CD, is released in Japan.
- 2000 - Jet Set Radio Original Sound Tracks and Sakura Taisen: Gouka Kenran Hikari Rokuonkan, both CDs, are released in Japan. Dino Crisis and Resident Evil 3: Nemesis are released for the Sega Dreamcast in Spain.
- 2001 - Ikaruga is released in Arcades for the Sega NAOMI board alongside Sakura Taisen Online and Yoshia no Oka de Nekoronde... for the Sega Dreamcast, Sonic Adventure 2: Battle for the Nintendo Gamecube, Sonic Advance for the Game Boy Advance, and GetBass and Phantasy Star Online Ver. 2 for Windows PCs, all in Japan.
- 2002 - Asobo! Yuki Gassen is released for J-Sky (50KB) compatible phones through Sega's Pocket Works portal in Japan. Pengo is released for J2ME compatible phones in North America.
- 2005 - Dragon Book and Dragon Crystal are released for EZweb (BREW 2.1) compatible phones through Sega's Sonic Cafe portal in Japan. Sonic the Hedgehog Mobile is released for J2ME compatible phones in North America.
- 2007 - Football Manager 2008 is released for Windows PCs and Mac OS X in Japan.
- 2011 - Sonic the Hedgehog CD is released for the PlayStation 3 in North America.
- 2012 - Jet Set Radio and Sweets Tower: Okashina Eiffel Tou are released for iOS in Japan.
- 2013 - Happy Sonic! Live Wallpaper is released for Android devices in Japan, North America, and Europe.
- 2016 - Chain Chronicle: Akatsuki no Ryuusei, a book, is released in Japan.
- 2017 - Gunstar Heroes is made available for the Sega Forever service for Android devices and iOS alongside Sonic Runners Adventure being released for Android devices and iOS in North America. Gunstar Heroes is made available for the Sega Forever service for Android devices and iOS in Europe and Australia.
Anniversaries/December (add)
- 1986 - Sega Game Music Vol. 1, a vinyl album and Compact Cassette, is released alongside Space Harrier for the Sega Master System in Japan.
- 1987 - Sega Taikan Game Special, a Compact Cassette and CD, is released alongside After Burner / Super Hang-On, a LaserDisc, in Japan.
- 1988 - Galaxy Force, a VHS and LaserDisc, is released in Japan.
- 1989 - The Super Shinobi & Works, a Compact Cassette and CD, is released in Japan.
- 1990 - Hard Drivin', Musha Aleste: Fullmetal Fighter Ellinor, and Star Cruiser are released for the Sega Mega Drive alongside OutRun for the PC Engine in Japan.
- 1994 - Virtua Fighter "Sega Saturn" Image by B-univ Neo Rising, a CD, is released in Japan.
- 1995 - Virtua Cop Official Guide Book, a book, is released alongside QuoVadis for the Sega Saturn in Japan.
- 1996 - Riglordsaga 2 Original Soundtrack, a CD, is released alongside CGMV Special Virtua Fighter 3: Geki no Shou "Battle", CGMV Special Virtua Fighter 3: Shippuu no Shou "System", and Virtua Fighter 3, all VHS, and Fighters Megamix for the Sega Saturn in Japan.
- 1998 - Noël 3 Perfect Guide and Sakura Taisen: Ouka Kenran OVA Fan Book Gekan, both books, are released in Japan.
- 1999 - Prima's Official Strategy Guide: Sega Dreamcast Collection, a book, is released in North America.
- 2000 - Tantei Shinshi Dash! Koushiki Kouryaku Guide, a book, is released alongside Crackin' DJ Remix and Fantasyscape Slashout: Original Soundtrack, both CDs, Sakura Taisen: Gouka Kenran Chapter 6, a DVD, Bakumatsu Rouman Dai Ni Maku: Gekka no Kenshi Final Edition, Bass Rush Dream: EcoGear PowerWorm Championship, Daytona USA 2001, Gunspike, Never 7: The End of Infinity, Phantasy Star Online, Saka Tsuku Tokudaigou: J.League Pro Soccer Club o Tsukurou!, Sonic Adventure 2: The Trial, Sonic Shuffle, and Tantei Shinshi Dash! for the Sega Dreamcast, and Icewind Dale for Windows PCs in Japan. Resident Evil 3: Nemesis is released for the Sega Dreamcast in Germany. Star Wars Demolition and Tomb Raider: Chronicles are released for the Sega Dreamcast in Spain.
- 2001 - Dennou Senki Virtual-On Force Official Sound Data Ver 7.5, a CD, is released alongside Shenmue: The Movie, a VHS and DVD, in Japan.
- 2002 - Panzer Dragoon Orta Original Soundtrack, a CD, is released in Japan.
- 2004 - OutRun 2 SP is released in Arcades for the Sega Chihiro board alongside the MD 8bit Converter Sega Mega Drive accessory in Japan.
- 2005 - The House of the Dead 4 is released in Japanese Arcades for the Sega Lindbergh board.
- 2006 - Sangokushi Taisen 2 Zenkoku Taikai DVD Hagyou e no Michi: Ryuuko no Houkou, a DVD, is released alongside Sonic the Hedgehog for the Xbox 360 and PlayStation 3, Taisen Puyo Puyo Tsuu for EZweb (BREW 3.1) compatible phones through Sega's Sega Ages portal, and Football Manager 2007 for Windows PCs and Mac OS X in Japan. Ryu ga Gotoku 2 is released for the PlayStation 2 in South Korea.
- 2010 - Fast Striker, an aftermarket Sega Dreamcast game, is released in Europe.
- 2011 - 7th Dragon 2020 Original Sound Track, Sakura Taisen Revue in Little Lip Theater IV, and Sega Sound Unit (H.) 1st Album, all CDs, are released physically alongside Sonic the Hedgehog CD Original Soundtrack 20th Anniversary Edition, Sonic Adventure Original Soundtrack 20th Anniversary Edition, Sonic Adventure 2 Original Soundtrack 20th Anniversary Edition, and Sonic Heroes Original Soundtrack 20th Anniversary Edition being made available for download from Amazon and the Mora streaming platform, Sega Sound Unit (H.) 1st Album and The Works being made available for download from iTunes, and The Best of Crush 40: Super Sonic Songs for the Mora streaming platform, all in Japan. Sega Sound Unit (H.) 1st Album and The Works are made available for download from iTunes alongside Sonic the Hedgehog 4 Episode I being released for the iPad in North America. Sega Sound Unit (H.) 1st Album and The Works are made available for download from iTunes in Europe. Sonic the Hedgehog CD is released for the PlayStation 3 in South Korea and Taiwan.
- 2012 - Sonic Jump is released for Android devices in North America, Europe, and Australia.
- 2013 - WCCF Cup Winner's Cup The 8th Perfect Report, a book, is released in Japan.
- 2015 - 15th Anniversary Phantasy Star Online Visual Chronicles, a book, is released in Japan.
- 2016 - Sangokushi Taisen is released in Japanese Arcades for the Nu 2 board.
Anniversaries/December (add)
- 1985 - Astro Flash and Great Tennis are released for the Sega Master System in Japan.
- 1987 - Sonic Boom is released in Japanese Arcades for the Sega System 16 board.
- 1990 - Wonder Boy III: Monster Lair is released for the Sega Mega Drive alongside Dragon Crystal: Tsurani no Meikyu for the Sega Game Gear in Japan.
- 1992 - Teenage Mutant Ninja Turtles: Return of the Shredder is released for the Sega Mega Drive in Japan.
- 1994 - Lunar: Eternal Blue, Soul Star, and Tomcat Alley are released for the Sega Mega-CD alongside Back to the Edo and Don Quixote: A Dream in Seven Crystals for the Sega Mega LD, as well as the Fighting Stick SS peripheral for the Sega Saturn in Japan. BC Racers Mega Power demo, a Demo Disc, is released for the Sega Mega CD in the United Kingdom.
- 1995 - Virtua Fighter Vol.1, a VHS for the anime, is made available to rent alongside Pepenga Pengo for the Sega Mega Drive, Ninku 2: Tenkuryu-e no Michi for the Sega Game Gear, Surgical Strike for the Sega Mega-CD, and Black Fire, Godzilla Rettoushinkan, Hokuto no Ken, Kidou Senshi Gundam, Theme Park, and Virtua Racing Sega Saturn for the Sega Saturn, all in Japan. Hi-Octane: The Track Fights Back! is released for the Sega Saturn in North America. Earthworm Jim 2 is released for the Sega Mega Drive in Europe.
- 1997 - Courier Crisis is released for the Sega Saturn in North America.
- 1999 - Dennou Senki Virtual-On Oratorio Tangram For Dreamcast Official Sound Data and Sakura Taisen Kayou Show Teikoku Kagekidan Dai 3-kai Hanagumi Tokubetsu Kouen "Beni Tokage": Sound Album, both CDs, are released alongside Biohazard 2 Value Plus, Biohazard Code: Veronica Trial Edition, Panzer Front, and Yuukyuu Gensoukyoku 3: Perpetual Blue for the Sega Dreamcast in Japan. Fighting Force 2 and Vigilante 8: Second Offense are released for the Sega Dreamcast in North America. Worms Armageddon is released for the Sega Dreamcast in Spain. Millennium Soldier: Expendable, NBA Showtime: NBA on NBC, NFL Blitz 2000, NFL Quarterback Club 2000, Psychic Force 2012, South Park: Chef's Luv Shack, UEFA Striker, and Worms Armageddon are released for the Sega Dreamcast in Australia.
- 2000 - Super Street Fighter II X for Matching Service is released for the Sega Dreamcast in Japan. Bang! Gunship Elite is released for the Sega Dreamcast in North America. The Grinch is released for the Sega Dreamcast in France while Dino Crisis, Resident Evil 3: Nemesis, and Toy Racer are released with the Dreamcast Microphone peripheral in Europe. Capcom vs. SNK: Millennium Fight 2000, Disney's 102 Dalmatians: Puppies to the Rescue, Jet Set Radio, Shenmue, Street Fighter III: 3rd Strike, Tomb Raider: Chronicles, and Ultimate Fighting Championship are released for the Sega Dreamcast in Australia.
- 2001 - Sakura Taisen Katsudou Shashin is released in cinemas in Japan.
- 2003 - Pyramid Magic II is released for i-mode 503i and i-mode 505i compatible phones through Sega's Sonic Cafe portal in Japan.
- 2004 - Derby Tsuku 4: Derby Ba wo Tsukurou! Complete Guide, a book, is released alongside Sakura Taisen Teikoku Kagekidan Hanagumi Super Kayou Show "Shin Saiyuuki" DVD Box, a DVD for the stage play Sakura Taisen Teikoku Kagekidan Hanagumi Super Kayou Show "Shin Saiyuuki", and The Typing of the Dead: Zombie Panic for the PlayStation 2 in Japan.
- 2005 - Shining Force Neo Vol. 2, a book, is released alongside The House of the Dead 4 Original Sound Tracks, a CD, and Jissen Pachinko Hisshouhou! CR Hokuto no Ken and Sega Ages 2500 Series Vol. 23: Sega Memorial Selection for the PlayStation 2 in Japan. Shadow the Hedgehog is released for the PlayStation 2 in South Korea.
- 2006 - The PlayPal Plug & Play, a console on a chip manufactured by AtGames, is released in North America. Space Harrier II and ToeJam & Earl are released for the Wii Virtual Console in Europe.
- 2008 - Katachidasu is released for i-mode 90x compatible phones through Sega's Puyo Puyo! Sega portal in Japan. Phantasy Star IV: The End of the Millennium is released for the Wii Virtual Console in North America.
- 2010 - Border Break Airburst Original Soundtrack, Dennou Senki Virtual-On Official Sound Data 4x6, and Vivid Sound x Hybrid Colors: Sonic Colors Original Soundtrack, all CDs, are released alongside Dennou Senki Virtual-On: Force for the Xbox 360 in Japan.
- 2011 - Nanpure Trainer is released for EZweb (BREW 3.1) compatible phones through Sega's Puyo Puyo! Sega portal alongside Sukima no Mushi for i-mode 90x and Vodafone Live! (3G) compatible phones through Sega's Puyo Puyo! Sega portal in Japan.
- 2016 - Sega 3D Fukkoku Archives Maniax, a book, is released alongside Sega 3D Fukkoku Archives 3: Final Stage and Sega 3D Fukkoku Archives 1-2-3 Triple Pack for the Nintendo 3DS in Japan.
Anniversaries/December (add)
- 1989 - Curse and Golden Axe are released for the Sega Mega Drive in Japan.
- 1993 - I Will: The Story of London, Pyramid Patrol, and The Great Pyramid are released for the Sega Mega LD in North America.
- 1994 - Fred Couples Golf is released for the Sega Game Gear in Japan. Lethal Enforcers II: Gun Fighters is released for the Sega Mega-CD in Europe.
- 1995 - FIFA Soccer 96 is released for the Sega Saturn in North America.
- 1996 - Dragonheart: Fire & Steel and Midway Presents Arcade's Greatest Hits are released for the Sega Saturn in North America.
- 1997 - Devil Summoner Soul Hackers: Akuma Zensho Dainishuu, Hansha de Spark!, Prisoner of Ice: Jashin Kourin, Real Bout Garou Densetsu Special, Tilk: Aoi Umi kara Kita Shoujo, and Wizard's Harmony 2 are released for the Sega Saturn in Japan.
- 1998 - 6 Inch My Darling, Girl Doll Toy: Tamashii o Kudasai, Langrisser Tribute, and Sakura Taisen Teigeki Graph are released for the Sega Saturn alongside Seventh Cross Evolution, Sonic Adventure, and Tetris 4D for the Sega Dreamcast in Japan.
- 1999 - Issho ni Pico: Itsudemo Issho Doraemon is released for the Sega Pico alongside D no Shokutaku 2, Shinkisekai Evolution 2: Tooi Yakusoku, Gakkyuu Ou Yamazaki: Yamazaki Oukoku Daifunsou!, Godzilla Generations Maximum Impact, Pro Yakyuu Team de Asobou!, Sengoku Turb: Fanfan I love me Dunce-doublentendre, and Tokyo Bus Guide for the Sega Dreamcast in Japan. NBA 2K Official Strategy Guide, a book, is released in North America. Marvel vs. Capcom: Clash of Super Heroes is released for the Sega Dreamcast in Spain.
- 2000 - Mercurius Pretty Koushiki Guide and Phantasy Star Online Navigation Guide, both books, are released in Japan.
- 2003 - Sakura Wars TV 6: Curtain Call, a DVD, is released in North America.
- 2015 - 7th Dragon III Code: VFD Original Soundtrack & Songs, a CD, is released alongside Sega 3D Fukkoku Archives 2 and Sega 3D Fukkoku Archives 1 & 2 Double Pack for the Nintendo 3DS in Japan. The DreamPi, an application for the Raspberry Pi, is released for the Sega Dreamcast worldwide.
- 2020 - Sonic the Hedgehog Non-Stop Music Selection Vol.5 is made available to download from Amazon and iTunes, and made available to stream from the AWA, Kkbox, Line, Mora, and Recochoku streaming platforms in Japan while it is made available to download for Amazon and iTunes in North America and Europe, and for Spotify worldwide.
Anniversaries/December: Christmas Eve (add)
- 1988 - The so bad that it's good Osomatsu-kun Hachamecha Gekijou is released for the Sega Mega Drive in Japan.
- 1993 - Battle Mania Daiginjou is released for the Sega Mega Drive in Japan.
- 1994 - Sonic & Knuckles Official Game Book, a book, is released in North America.
- 1996 - Crusader: No Remorse is released for the Sega Saturn in North America.
- 1997 - Sonic R Official Guide, a book, is released in Japan.
- 1998 - Chouzetsu Kakutouou Segata Sanshiro Monogatari, a book, is released in Japan.
- 1999 - Dennou Senki Virtual-On Oratorio Tangram Perfect Guide: Weapon & Technique Hen, a book, is released alongside Shenmue JukeBox, a CD, and Dorimaga GD Vol. 4 for the Sega Dreamcast in Japan. Fighting Force 2 and Marvel vs. Capcom: Clash of Super Heroes are released for the Sega Dreamcast in Europe.
- 2002 - Sakura Taisen Joukikoushou, a book, is released alongside Monkey Ball for EZweb (Java Phase 2/2.5) compatible phones through Sega's Sega Ages portal and Pyramid Magic for i-mode 503i compatible phones through Sega's Sonic Cafe portal in Japan.
- 2004 - Kimi no Tame nara Shineru Rub-Love Daisakusen CD+, a CD, is released alongside Puyo Puyo Fever for the Nintendo DS and PlayStation Portable in Japan.
- 2005 - Puyo Puyo Fever 2 is released for the Nintendo DS in Japan.
- 2007 - Rolling Thunder 2 is released for the Wii Virtual Console in North America.
- 2008 - The Sega Master System version of Wonder Boy: Monster Land is released for the Wii Virtual Console alongside Dennou Senki Virtual-On for i-mode 90x compatible phones through Sega's Puyo Puyo! Sega portal in Japan. Voyny Sakury 2 is released for Windows PCs in Russia.
- 2010 - Chou Jigen Game: Neptune is released for the PlayStation 3 in South Korea.
- 2013 - Dead or Alive 5 Ultimate: Arcade is released in Japanese Arcades for the Sega RingEdge 2 board.
- 2014 - Phantasy Star Online 2 Original Sound Tracks Vol. 3 and Sakura Taisen New York Hoshigumi Show 2014: O Tanoshimi wa Korekarada, a CD for the stage play of the same name, both CDs, are released in Japan.
- 2016 - Cascade and Magic Girl, both aftermarket Sega Mega Drive games, are released in North America. Persona 4: Dancing All Night is released for the PlayStation Vita in South Korea and Taiwan.
- 2019 - Meet Sonic!: A Sonic the Hedgehog Storybook, Sonic & Friends Sticker Activity Book, and Sonic the Hedgehog: The Official Movie Mad Libs, all books, are released in North America.
- 2020 - Aleste Collection is released for the PlayStation 4 and Nintendo Switch, and with it the White Game Gear Micro, which contains GG Aleste 3 for the Sega Game Gear in Japan.
Anniversaries/December: Christmas Day (add)
- 1992 - Taz-Mania and Wonder MIDI are released for the Sega Mega Drive alongside Shining Force Gaiden: Ensei Jashin no Kuni e for the Sega Game Gear, Capcom no Quiz Tonosama no Yabou and Tenbu Mega CD Special for the Sega Mega-CD, and Gain Ground for the Super CD-ROM², all in Japan.
- 1993 - The true embodiment of Christmas spirit arrives in the form of Awesome Possum Kicks Dr. Machino's Butt! for the Sega Mega Drive in Japan. Ho ho... ho?
- 1994 - Rockman Mega World Hisshou Kouryaku Hou, a book, is released in Japan.
- 1995 - Shin Megami Tensei: Devil Summoner is released for the Sega Saturn in Japan.
- 1999 - Maken X Koushiki Guide Book, a book, is released in Japan.
- 2002 - Shinobi: The Complete Guide, a book, is released in Japan.
- 2003 - Derby Tsuku 3: Derby Ba wo Tsukurou! Complete Guide and Phantasy Star Online Episode III: C.A.R.D. Revolution Complete Guide, both books, are released alongside Musica e WCCF: World Club Champion Football Serie A 2001-2003, a CD, Chocolat: Maid Cafe "Curio", Moekan, and Sentimental Graffiti: Yakusoku for the Sega Dreamcast, and Sega GT Online for the Xbox, all in Japan.
- 2006 - ToeJam & Earl is released for the Wii Virtual Console in North America.
- 2007 - Virtua Fighter, a gambling machine, is released alongside Langrisser II for the Wii Virtual Console and Chokkan o e Kaki for i-mode 90x compatible phones through Sega's Puyo Puyo! Sega portal in Japan.
- 2008 - Phantasy Star 0 Photon Master Guide and Phantasy Star Portable Comic Anthology, both books, are released alongside Phantasy Star 0 for the Nintendo DS in Japan.
- 2009 - Empire: Total War is released for Windows PCs in Japan.
- 2013 - Phantasy Star Music Collection 2000-2007, a CD, is released alongside Puyo Puyo Tsuufor the Nintendo 3DS Virtual Console in Japan.
- 2014 - Sakura Taisen New York Hoshigumi Show 2014: O Tanoshimi wa Korekarada, a DVD for the stage play of the same name, is released alongside Devil Summoner: Soul Hackers being made available for digital download on the Nintendo eShop in Japan.
- 2015 - Sonic Runners Original Soundtrack Vol. 2 is made available for download from Amazon and iTunes in Japan.
- 2020 - Border Break Music Collection Type-05, a CD, is released in Japan.
- 2021 - Dracula no Shiro, an aftermarket Sega Mega Drive game, is released in Japan.
Anniversaries/December: Boxing Day (add)
- 1981 - Zaxxon is released in Japanese Arcades for the Sega Zaxxon hardware board.
- 1990 - Gaiares and Heavy Unit: Mega Drive Special are released for the Sega Mega Drive in Japan. The Genesis Speakers are given away in a promotion in North America.
- 1991 - Sangokushi II is released for the Sega Mega Drive in Japan.
- 1992 - Dream Team USA is released for the Sega Mega Drive in Japan. Ariel the Little Mermaid is released for the Sega Game Gear in Europe.
- 1993 - Crüe Ball is released for the Sega Mega Drive in Japan.
- 1997 - NASCAR 98 is released for the Sega Saturn in Spain.
- 1998 - Virtua Fighter 3tb Perfect Guide, a book, is released in Japan.
- 1999 - SoulCalibur Official Guide Book, a book, is released in Japan.
- 2000 - The Official Dreamcast Magazine demo disc that came with Issue #11 of Official Dreamcast Magazine is released in North America.
- 2002 - Musapey no Choco Marker, The King of Fighters 2001, and Yuki Gatari are released for the Sega Dreamcast alongside NFL 2K3 for the PlayStation 2 and Eternal Arcadia Legend for the Nintendo Gamecube in Japan.
- 2003 - Pro Yakyuu Team o Tsukurou! 2003 Complete Guide, a book, is released alongside Keitai Jiken Bo Challenge! Tantei Quiz for J-Sky (50KB) compatible phones through Sega's Pocket Works portal in Japan.
- 2006 - Melty Blood: Act Cadenza Version B is released in Japanese Arcades for the Sega NAOMI GD-ROM board.
- 2007 - Puyo Puyo Fever DX is released for Club Air-Edge compatible phones through Sega's Puyo Puyo! Sega portal in Japan.
- 2008 - World Destruction: Sekai Bokumetsu no Rokunin Vol. 4, a DVD, is released in Japan. The Sega Master System version of Sonic the Hedgehog 2 is released for the Wii Virtual Console in Europe.
- 2009 - Sakura Taisen Paris Hanagumi Live 2009: Moeagare Jiyuu no Tsubasa, a stage play, debuts in Japan.
- 2010 - Dennou Senki Virtual-On Force Masters Guide, a book, is released in Japan.
- 2011 - Shining Hearts Visual Settei Shiryoushuu, a book, is released in Japan.
- 2012 - Sakura Taisen New York Hoshigumi Live 2012: Dareka o Wasurenai Sekai De, a CD for the stage play of the same name, is released alongside Sakura Taisen Paris Hanagumi Live 2012: Revue Mon Paris, a stage play, debuting, and 3D Space Harrier for the Nintendo 3DS in Japan. Rhythm Thief & the Emperor's Treasure is released for the Nintendo 3DS in South Korea.
- 2015 - Genei Ibunroku ♯FE is released for the Wii U in Japan.
- 2019 - Phantasy Star Online 2 Fashion Catalog 2018-2019 Stars and Guardians, a book, is released in Japan.
Anniversaries/December (add)
- 1987 - Family Games is released for the Sega Master System in Japan.
- 1990 - Shanghai II is released for the Sega Game Gear in Japan.
- 1991 - Golden Axe II and Mugen Senshi Valis are released for the Sega Mega Drive alongside Fray: Shugyouhen and Heavyweight Champ for the Sega Game Gear in Japan.
- 1995 - Mystaria: The Realms of Lore and Thunderhawk II are released for the Sega Saturn in North America.
- 1996 - Daina Airan: Yokoku Hen, Fire Pro Wrestling S: 6Men Scramble, Gegege no Kitarou: Gentou Kaikitan, Ginga Ojousama Densetsu Yuna Mika Akitaka Illust Works, Ginga Ojousama Densetsu Yuna Remix, Grid Runner, Jinzou Ningen Hakaider: Last Judgement, Private Idol Disc Data Hen Race Queen F, Sega Ages Rouka ni Ichidant-R, Suikoden: Tenmei no Chikai, Takuramakan: Tonkou Denki, Terra Phantastica, and Tetris S are released for the Sega Saturn in Japan.
- 2000 - Bakumatsu Rouman Dai Ni Maku: Gekka no Kenshi Final Edition Koushiki Guide, a book, is released in Japan. Vanishing Point is released for the Sega Dreamcast in North America. The Grinch is released for the Sega Dreamcast in Spain.
- 2001 - Phantasy Star Online Fan Book, a book, is released alongside Segagaga Soundtrack Collection Blue and Segagaga Soundtrack Collection Red, both CDs, and 21: Two One for the Sega Dreamcast in Japan.
- 2002 - Eternal Arcadia Legend Hisshou Kouryaku Guide, a book, is released in Japan.
- 2004 - Juuouki: Project Altered Beast Taikenban is released for the PlayStation 2 in Japan.
- 2005 -Aka-chan wa Doko Kara Kuru no? Koitsu Hen is released for i-mode 90x compatible phones through Sega's Sonic Cafe portal alongside Jukugon for Vodafone Live! (256KB) compatible phones through Sega's Sonic Cafe portal in Japan. Sakura Wars TV Complete Collection, a DVD, is released in North America.
- 2006 - Taisen 7 Narabe is released for i-mode 70x compatible phones through Sega's Sonic Cafe portal in Japan.
- 2008 - Phantasy Star Portable Anthology Comic and Saka Tsuku DS: Touch and Direct Perfect Guide, both books, are released in Japan.
- 2011 - Resonance of Fate is made available for digital download on the Xbox 360 in North America, Europe, Australia, and South Korea.
- 2012 - Sakura Taisen New York Hoshigumi Live 2012: Dareka o Wasurenai Sekai De, a DVD for the stage play of the same name, is released alongside Nanpure Trainer for Club Air-Edge compatible phones through Sega's Puyo Puyo! Sega portal in Japan.
- 2013 - Color Mechanica, an aftermarket Sega Mega-CD game, is released in North America.
- 2017 - Pachinko CR Puyo Puyo Soundtrack, a CD, is released in Japan.
- 2018 - Sega Ages Gain Ground is released for the Nintendo Switch in Japan.
- 2023 - 404 Game Re:set -Error Game Reset- Memorial Album, a CD, is released in Japan.
Anniversaries/December (add)
- 1988 - Power Drift & Mega Drive, a Compact Cassette and CD, is released in Japan.
- 1991 - Sonic the Hedgehog and Space Harrier are released for the Sega Game Gear alongside Tenka Fubu: Eiyuutachi no Houkou for the Sega Mega-CD in Japan.
- 1993 - Sengoku Denshou is released for the Sega Mega-CD in Japan.
- 1996 - Battle Athletess Daiundoukai Perfect Guide Book, a book, is released in Japan.
- 1999 - Jimmy White's 2: Cueball is released for the Sega Dreamcast in Spain.
- 2000 - Cardcaptor Sakura: Tomoyo no Video Daisakusen, Sakura Taisen Dream Passport 3, and Sakura Taisen Kinematron Hanagumi Mail are released for the Sega Dreamcast in Japan. Dino Crisis is released for the Sega Dreamcast in Germany.
- 2004 - Sugorouku is released for i-mode 505i compatible phones through Sega's Sonic Cafe portal in Japan.
- 2006 - Sakura Taisen Kayou Show Final Kouen "Shin Ai Yueni" DVD Box, a DVD for the stage play of the same name, is released in Japan.
- 2007 - Phantasy Star Universe: Illuminus no Yabou Perfect Guide, a book, is released in Japan.
- 2009 - Senjou no Valkyria Anthology Comic, a book, is released in Japan.
- 2011 - 7th Dragon 2020 Complete Guide, a book, is released alongside Gunblade NY & L.A. Machineguns Original Soundtrack, a CD, in Japan.
- 2016 - Puyo Puyo Chronicle Kanpeki Kouryaku Guide, a book, is released in Japan.
- 2018 - Phantasy Star Online 2 Fashion Catalog 2017-2018 Legacy of Omega, a book, is released in Japan.
Anniversaries/December (add)
- 1991 - GG Aleste is released for the Sega Game Gear in Japan.
- 1993 - Flashback and Maten no Soumetsu are released for the Sega Mega Drive in Japan.
- 1994 - BC Racers Sega Pro CD demo and Pitfall: The Mayan Adventure, both Demo Discs, are released for the Sega Mega CD in the United Kingdom.
- 1995 - Chaos Control, Sega Rally Championship, and Wizard's Harmony are released for the Sega Saturn in Japan.
- 1997 - Grandia Koushiki Guide Book and Shining Force III Scenario 1: Outo no Kyoshin Official Guide, both books, are released in Japan. Croc: Legend of the Gobbos is released for the Sega Saturn in Spain.
- 1999 - Shenmue: Ichishou Yokosuka is released for the Sega Dreamcast in Japan. Prima's Official Strategy Guide: Toy Commander, a book, is released alongside Elemental Gimmick Gear for the Sega Dreamcast in North America.
- 2000 - Dorimaga GD Vol. 9 is released for the Sega Dreamcast in Japan. MoHo, Railroad Tycoon II, and Tony Hawk's Pro Skater 2 are released for the Sega Dreamcast in Spain.
- 2003 - Snow Koushiki Guide, a book, is released in Japan.
- 2010 - Kurohyou: Ryu ga Gotoku Shinshou Part 1, a book, is released alongside Mega Drive Last Action Heroes, a CD, in Japan.
Anniversaries/December (add)
- 1997 - Marvel Super Heroes is released for the Sega Saturn in Spain.
- 1999 - ChuChu Rocket! Players Guide, a book, is released in Japan.
- 2003 - Sonic Heroes Koushiki Guide Book, a book, is released alongside the game it is for, Sonic Heroes, for the PlayStation 2, Nintendo GameCube and Xbox in Japan.
Anniversaries/December: New Year's Eve (add)
- 1993 - Mega Drive Mega CD All Soft Catalogue, a book, is released in Japan.
- 1995 - Virtual Bart and WWF Raw are released for the Sega Mega Drive in Japan.
- 1996 - The King of Fighters '96 and The King of Fighters '96 + '95: Gentei KOF Double Pack are released for the Sega Saturn in Japan. Powerslave is released for the Sega Saturn in North America.
- 1997 - BattleSport is released for the Sega Saturn in North America.
- 2000 - Dennou Senki Virtual-On Oratorio Tangram Shinjitsu no Tama, a book, is released in Japan.
- 2002 - NCAA College Basketball 2K3 is released for the PlayStation 2 in North America.
- 2007 - Kodai Ouja Kyouryuu King: 7-tsu no Kakera Saikyou Kouryaku Guide Joukan, a book, is released in Japan. Light Crusader is released for the Wii Virtual Console in North America.
- 2015 - The MD Compact, an unlicensed Sega Mega Drive clone console, is released in Japan.
- 2019 - Sonic the Hedgehog Volume 3: Battle For Angel Island, a book, is released in the United Kingdom.