Anniversaries/May 15
From Sega Retro
May 15 (add)
- 1992 - Nakajima Satoru Kanshuu F1 Hero MD is released for the Sega Mega Drive in Japan.
- 1997 - Scorcher is released for the Sega Saturn in Europe.
- 1998 - Kidou Senshi Gundam: Giren no Yabou Kanzen Kouryaku Guide and Roommate 3: Ryouko Kaze no Kagayaku Asa ni Koushiki Kouryaku Guide, both books, are released alongside Incubation for Windows PCs Japan. Riven: The Sequel to Myst is released for the Sega Saturn in Europe.
- 2001 - Confidential Mission is released for the Sega Dreamcast in North America. Phantasy Star Online is released for the Sega Dreamcast in Australia.
- 2002 - Space Harrier Mini is released for J-Sky (100KB) compatible phones through Sega's Sega Ages portal in Japan. Conflict Zone and Evil Twin: Cyprien's Chronicles are released for the Sega Dreamcast in France.
- 2005 - Super Monkey Ball Deluxe is released for the Xbox in Australia.
- 2007 - Bare Knuckle II: Shitou e no Requiem is released on the Wii Virtual Console in Japan.
- 2009 - Pitfall: The Mayan Adventure is released on the Wii Virtual Console in Europe and Australia.
- 2010 - Ryu ga Gotoku 4: Densetsu o Tsugumono Kanzen Kouryaku Kyoku no Sho, a book, is released in Japan. Sega Rally Revo is made available to download through Amazon in North America.
- 2012 - Sonic the Hedgehog 4 Episode I is released for Android devices in Japan. Sonic the Hedgehog 4 Episode II is released for the PlayStation 3 and Steam in North America, Europe, and Australia.
- 2013 - Sega Ages 2500 Series Vol. 9: Gain Ground is made available for digital download on the PlayStation Store alongside 3D Sonic the Hedgehog for the Nintendo 3DS in Japan.
- 2014 - Sonic & All-Stars Racing Transformed is released for the PlayStation 3 and Wii U in Japan.
- 2015 - Phantasy Star Nova is released for the PlayStation Vita in South Korea.
- 2018 - Shin Megami Tensei: Strange Journey Redux is released for the Nintendo 3DS in North America. Dragon's Crown Pro is released for the PlayStation 4 in North America, Europe, and Australia.
- 2019 - FX Unit Yuki: The Henshin Engine, an aftermarket Sega Dreamcast game, is released in North America.
- 2020 - Hatsune Miku: Project DIVA Mega Mix is released for the Nintendo Switch in North America.