Anniversaries/December 27
From Sega Retro
December 27 (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.
- 2003 - Derby Tsuku 3: Derby Ba wo Tsukurou! Perfect Bible, a book, is released 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.