Anniversaries/January 21
From Sega Retro
January 21 (add)
- 1993 - Streets of Rage 2 Original Soundtrack, a CD, is released in Japan. G-LOC: Air Battle is released for the Sega Mega Drive in Europe.
- 1994 - Riddick Bowe Boxing is released for the Sega Game Gear in Japan.
- 1997 - Die Hard Trilogy is released for the Sega Saturn in North America.
- 1998 - Motor Raid/Water Ski, Sonic R, and Yu Suzuki Produce Power Drift, all CDs, are released in Japan.
- 1999 - Shinkisekai Evolution is released for the Sega Dreamcast in Japan.
- 2000 - Space Channel 5 Original Soundtrack, a CD, is released alongside Sakura Taisen Kayou Show Teikoku Kagekidan Hanagumi Tokubetsu Kouen "Ai Yueni", a DVD for the stage play of the same name, in Japan. Virtua Striker 2 Ver. 2000.1 is released for the Sega Dreamcast in Europe.
- 2001 - Club Kart: European Session is released in Japanese Arcades for the Sega NAOMI 2 board.
- 2003 - Panzer Dragoon Orta Official Soundtrack, a CD, is released in Japan.
- 2004 - OutRun 2 Sound Tracks, a CD, is released in Japan.
- 2008 - Super Monkey Ball Mobile is released for i-mode 90x compatible phones through Sega's Puyo Puyo! Sega portal in Japan.
- 2010 - Senjou no Valkyria 2: Gallia Ouritsu Shikan Gakkou Heika Shoukou Yousei Dokuhon, a book, is released alongside the game it is for, Senjou no Valkyria 2: Gallia Ouritsu Shikan Gakkou, for the PlayStation Portable in Japan.
- 2011 - Virtua Fighter 2 Genesis is released for iOS in Japan.
- 2015 - Citizens of Earth is released for the PlayStation 4 and PlayStation Vita in Europe and Australia.
- 2016 Ryu ga Gotoku Series 10 Shuunen Kinen Hon Ryuu Taizen, a book, is released alongside the game it is for, Ryu ga Gotoku Kiwami, for the PlayStation 3 in Japan. Company of Heroes 2: The Western Front Armies is released for Mac OS X and Linux devices through Steam in North America, Europe, and Australia. Ryu ga Gotoku Kiwami is released for the PlayStation 4 in Japan and Taiwan.
- 2019 - The 16 Bit Pocket MD, an unlicensed Sega Mega Drive handheld released by Columbus Circle, is released in Japan.
- 2021 - UFO Catcher Triple Second, a prize game, is released in Japanese Arcades.