Anniversaries/May 27
From Sega Retro
May 27 (add)
- 1987 - Danger Zone is released in Japanese Arcades.
- 1993 - The Sega Mega-CD is released in Sweden.
- 1994 - F-117 Stealth Operation: Night Storm, Greatest Heavyweights, Mortal Kombat, and Sonic the Hedgehog 3 are released for the Sega Mega Drive alongside Alien 3 and World Derby for the Sega Game Gear, and Hyperion for the Sega Mega LD in Japan.
- 1999 - Dynamite Deka 2 and Elemental Gimmick Gear are released for the Sega Dreamcast in Japan.
- 2000 - Samba de Amigo The Greatest Guidebook, a book, is released in Japan.
- 2004 - Nazo Puyo is released for EZweb (BREW 2.0) compatible phones through Sega's Sega Ages portal alongside Sega Ages 2500 Series Vol. 13: OutRun for the PlayStation 2 in Japan.
- 2005 - NHL Eastside Hockey Manager 2005 is released for Windows PCs and Mac OS X in Europe.
- 2010 - Saka Tsuku DS: World Challenge 2010 is released for the Nintendo DS in Japan. Alpha Protocol is released for the Xbox 360 and PlayStation 3 in Australia.
- 2011 - The Arcade Gamer Portable, a console on a chip by AtGames, is released in the United Kingdom.
- 2014 - Castle of Illusion Starring Mickey Mouse is released for Windows 8 devices in North America, Europe, and Australia.
- 2015 - Golden Axe The Music is released for the Mora streaming platform in Japan.
- 2017 - Gunstar Heroes, a vinyl album, is released in the United Kingdom.
- 2020 - Phantasy Star Online 2 is released for Windows PCs in North America.