Anniversaries/May 20
From Sega Retro
May 20 (add)
- 1993 - Mega Drive & Game Gear Koushiki Guide Book Puyo Puyo, a book, is released in Japan.
- 1994 - Wimbledon is released for the Sega Mega Drive alongside Madou Monogatari II: Arle 16-Sai for the Sega Game Gear and Lodoss-tou Senki: Eiyuu Sensou for the Sega Mega-CD in Japan.
- 1997 - QuoVadis 2: Wakusei Kyoushuu Ovan Rei Kanzen Kouryaku Guide Book, a book, is released in Japan.
- 1998 - Fighting Vipers 2 The Sound Album, a CD, is released in Japan.
- 2002 - Virtua Striker 2002 is released for the Nintendo Gamecube in North America.
- 2008 - R-Tuned: Ultimate Street Racing is released in Arcades for the Sega Lindbergh board alongside Gynoug for the Wii Virtual Console in Japan.
- 2009 - Ryu ga Gotoku & Ryu ga Gotoku 2 Original Sound Track, Ryu ga Gotoku 3 Original Soundtrack, and Ryu ga Gotoku Kenzan! Original Soundtrack are released for the Mora streaming platform in Japan. Medieval II: Total War Gold Edition and Rome: Total War Gold Edition are released for Windows PCs in Russia. Sonic the Hedgehog is released for iOS in Japan, North America, and Europe.
- 2015 - Golden Axe The Music is made available to download through Amazon in Japan.
- 2021 - UFO Catcher 9 Third, a prize game, is released in Arcades alongside Sega World Drivers Championship: Original Sound Track for the Mora streaming platform in Japan. Sega World Drivers Championship: Original Sound Track is made available to download through Amazon in North America. The Digital Deluxe Edition of Shin Megami Tensei III Noctune HD Remaster is released for the PlayStation 4 in North America, Europe, and Australia with English Language versions for Singapore and Thailand and for the Nintendo Switch in North America and Europe.