Anniversaries/December 12
From Sega Retro
December 12 (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 and Europe.
- 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.