From Sega Retro
March 15 (
- 1984 - Sega Pasokon SC-3000 Series BASIC Nyuumon, a book, is released in Japan.
- 1987 - Woody Pop: Shinjinrui no Block Kuzugi is released for the Sega Mark III in Japan.
- 1991 - Head Buster is released for the Game Gear in Japan.
- 1996 - Brain Battle Q, Doraemon: Nobita to Fukkatsu no Hoshi, FIFA Soccer 96, Fishing Koushien, Game no Tatsujin 2, Gungriffon: The Eurasian Conflict, Idol Mahjong Final Romance R, Linkle Liver Story, Mainichi Kawaru Quiz Bangumi Quiz 365, Street Fighter II Movie, Virtual Casino, World Advanced Daisenryaku: Sakusen File, and Zork I: The Great Underground Empire are released for the Sega Saturn in Japan. Sega Encyclopédie des Codes Secrets, a book, is released in France while Comix Zone, Ecco the Dolphin, and Tomcat Alley are released for Windows PCs in the United Kingdom.
- 1997 - Jissen Pachi-Slot Hisshouhou! 4 and J. League Victory Goal '97 are released for the Sega Saturn in Japan. GameWorks Seattle, the first ever GameWorks, opens to the public.
- 1998 - Dennou Senki Virtual-On Oratorio Tangram M.S.B.S. Ver. 5.2 is released in Japanese Arcades for the Sega Model 3 board.
- 1999 - Sengoku Turb Guide Book, a book, is released in Japan.
- 2000 - Sakura Taisen Taisho Kayou Karaoke Daizenshuu, a CD, is released in Japan. Sword of the Berserk: Guts' Rage is released for the Sega Dreamcast in North America.
- 2001 - Battle Beaster and Le Mans 24 Hours are released for the Dreamcast in Japan.
- 2002 - Space Channel 5 is released for the PlayStation 2 in Europe. Doubutsu Pico: Hamster Land is released for the Pico in Japan.
- 2005 - Sangokushi Taisen is released in Japanese Arcades for the Sega Chihiro Satellite Terminal board. Super Monkey Ball Deluxe is released for the PlayStation 2 and Xbox in North America.
- 2006 - Jukugon 2 is released for Vodafone Live! (256KB) compatible phones though Sega's Sonic Cafe portal while Sakura Taisen Teikoku Kagekidan Hanagumi 2006-nen Shinshun Kayou Show "Tonderu Hanagumi", a CD for the stage play of the same name, is released, both in Japan.
- 2007 - Mobile Quartet is released for Club Air-Edge compatible phones though Sega's Sega Ages portal, Sonic Darts is released for EZweb (BREW 2.1) compatible phones though Sega's Sonic Cafe portal, Sonic and the Secret Rings releases for the [[Wii], Oshare Majo Love and Berry: 2007 Spring & Summer Song Collection and Seven Rings in Hand: Sonic and the Secret Rings Original Sound Track, both CDs, are released, Sega the Best versions of Guilty Gear XX Slash, Standard Daisenryaku: Dengekisen, Standard Daisenryaku: Ushinawareta Shouri and Tenka-bito release on PlayStation 2, and the Platinum version of Chromehounds releases on the Xbox 360, all in Japan.
- 2010 - Sonic & Sega All-Stars Racing is released for the Xbox 360, Wii, and PlayStation 3 in Russia.
- 2011 - Yakuza 4 is released for the PlayStation 3 alongside Sega Mega Drive Classic Collection Gold Edition for Windows PCs in North America. Shogun 2: Total War is released for Windows PCs in Europe and on Steam in North America, Europe, and Australia.
- 2012 - Rhythm Kaitou R: Koutei Napoleon no Isan Original Soundtrack is made available to download from Amazon, Shining Blade is released for the PlayStation Portable along with its pre-order bonus Shining Blade Haru no Shin Seikatsu Ouen Fan Disc, a DVD, and Shining Force Cross Elysion is released in Arcades for the Sega RingEdge board, all in Japan. Dragon Crystal, Sonic the Hedgehog Triple Trouble, and Shinobi are released for the Nintendo 3DS Virtual Console in North America. The Mega Drive version of Strider is released for the Wii Virtual Console in Europe while Yakuza: Dead Souls is released for the PlayStation 3 in Australia.
- 2015 - Squads: Saikyou no Kizuna is released for Android devices in Japan.
- 2018 - The Minigen HD, a clone console from Gamerz Tek, releases in North America.