Anniversaries/December 22
From Sega Retro
December 22 (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.