Anniversaries/October 25
From Sega Retro
October 25 (add)
- 1991 - Maou Renjishi and Wonder Boy V: Monster World III are released for the Sega Mega Drive alongside Galaga '91 for the Sega Game Gear in Japan. Sonic the Hedgehog is released for the Sega Master System in Europe.
- 1992 - Quiz! Toshi no Sanante Game and Twin Peaks Board Game, both board games, are released in Japan.
- 1993 - Sonic Chaos is released for the Sega Master System in Europe.
- 1994 - Dr. Paolo no Totteoki Video is released for the Sega Mega LD in Japan.
- 1995 - Kuchibiru no Shinwa, a CD, is released in Japan. Light Crusader and Vectorman are released for the Sega Mega Drive in North America.
- 1996 - Sega Saturn Hisshou Hou Special: Dark Savior, a book, is released alongside Panzer Dragoon, a VHS, Batsugun, Lunar Silver Star Story, Shellshock, StarFighter 3000, and World Series Baseball II for the Sega Saturn, and Virtua Cop for Windows PCs in Japan. Loaded is released for the Sega Saturn in North America.
- 1997 - Super Robot Taisen F Dai Kouryaku Zensho, a book, is released in Japan.
- 2000 - Spec Ops II: Omega Squad is released for the Sega Dreamcast in North America. Le Mans 24 Hours is released for the Sega Dreamcast in France.
- 2001 - Candy Stripe: Minarai Tenshi, D+Vine (Luv), and Tentama: 1st Sunny Side are released for the Sega Dreamcast in Japan. 90 Minutes: Sega Championship Football is released for the Sega Dreamcast in Spain.
- 2002 - The Pinball of the Dead is released for the Game Boy Advance in the United Kingdom while Sega Soccer Slam is released for the PlayStation 2 in Europe.
- 2004 - Sonic Gammon is released for i-mode 504i and i-mode 505i compatible phones through Sega's Sonic Cafe portal in Japan. OutRun 2 is released for the Xbox in North America.
- 2005 - Spartan: Total Warrior and Taito Legends are released for the PlayStation 2 and Xbox alongside Gunstar Super Heroes for the Game Boy Advance in North America.
- 2006 - Sakura Taisen Kayou Show Final Kouen "Shin Ai Yueni", a CD for the stage play Sakura Taisen Teikoku Kagekidan Hanagumi Kayou Show Final Kouen "Shin Ai Yueni", is released in Japan.
- 2007 - Dennou Senki Virtual-On Original Sound Track, a CD, is released alongside MJ3 Evo DVD Mahjong Juku 1-kan and MJ3 Evo DVD Mahjong Juku 2-kan, both DVDs, as well as Kodai Ouja Kyouryuu King D-Kids Adventure: Dino Slash! Kyouryuu Battle!! for the Advanced Pico Beena, Sega Ages 2500 Series Vol. 31: Cyber Troopers Virtual-On for the PlayStation 2, Ghost Squad for the Wii, Imabikisou for the PlayStation 3, and Mainichi ga Tanoshii! Ayakouji Kimimaro no Happy Techou for the Nintendo DS, all in Japan. Virtua Fighter 5 is released for the Xbox 360 alongside Football Manager 2008 for Windows PCs and Mac OS X in Australia.
- 2008 - World Destruction: Michibikareshi Ishi Complete Guide, a book, is released in Japan.
- 2010 - Shogi no Oushou: Oute Machi Shiten is released for i-mode 90x compatible phones through Sega's Puyo Puyo! Sega portal in Japan.
- 2011 - Shining Force Chronicle I is released for Android devices through Sega's Puyo Puyo! Sega portal in Japan. Daytona USA is released for the Xbox 360 and PlayStation 3 alongside The House of the Dead: Overkill Extended Cut for the PlayStation 3 and Captain America: Super Soldier for the Nintendo 3DS in North America. The House of the Dead: Overkill Extended Cut is released for the PlayStation 3 in South Korea.
- 2012 - Bingo Drop, a medal game, is released in Japanese Arcades.
- 2014 - Bayonetta and Bayonetta 2 are released for the Wii U in Australia.
- 2018 - Chunithm Amazon is released in Arcades for the Nu 1.1 board alongside Puyo Puyo eSports for the PlayStation 4 and Nintendo Switch. Shining Force Classics is made available for the Sega Forever service for Android devices and iOS in North America. Sonic the Hedgehog Tome 1: Le hérisson contre-attaque, a book, is released in France. Resonance of Fate: 4K/HD Edition is released for the PlayStation 4 alongside Shining Force Classics being made available for the Sega Forever service for Android devices and iOS in Europe and Australia. Puyo Puyo eSports is released for the PlayStation 4 in South Korea and Taiwan and for the Nintendo Switch in South Korea and Hong Kong.
- 2021 - Castlevania: Bloodlines, Contra: Hard Corps, Dr. Robotnik's Mean Bean Machine, Ecco the Dolphin, Golden Axe, Gunstar Heroes, M.U.S.H.A.: Metallic Uniframe Super Hybrid Armor, Phantasy Star IV: The End of the Millennium, Ristar, Shining Force, Shinobi III: Return of the Ninja Master, Sonic the Hedgehog 2, Streets of Rage 2, and Strider are released for the Nintendo Switch Online service for the Nintendo Switch alongside the Sega Genesis Control Pad for the Nintendo Switch in North America.
- 2022 - Sonic the Hedgehog: The Official Color by Sticker Book and Sonic the Hedgehog: The Official Coloring Book, both books, are released alongside the Astro City Mini V in North America.