Anniversaries/October 5
From Sega Retro
October 5 (add)
- 1990 - Rainbow Islands Extra is released for the Sega Mega Drive in Japan.
- 1999 - The Official Dreamcast Magazine demo disc that came with Issue #2 of Official Dreamcast Magazine is released for the Sega Dreamcast in North America.
- 2000 - Eternal Arcadia Original Sound Track, a CD, is released alongside the game it is for, Eternal Arcadia, for the Sega Dreamcast in Japan. Dream On Volume 14 is released for the Sega Dreamcast in the United Kingdom. Space Channel 5 is released for the Sega Dreamcast in Germany and Spain.
- 2001 - Super Monkey Ball Player's Book, a book, is released in Japan.
- 2005 - J.League Pro Soccer Club o Tsukurou! Mobile 2 is released for i-mode 90x compatible phones in Japan. NHL Eastside Hockey Manager 2005 is released for Windows PCs and Mac OS X in North America. Spartan: Total Warrior is released for the PlayStation 2 in Italy.
- 2006 - Quest of D Sound Track, a CD, is released alongside Jukugon Sanran Ki for EZweb (BREW 3.1) compatible phones through Sega's Sonic Cafe portal and Nazo Puyo 2 for i-mode 90x compatible phones through Sega's Sega Ages portal in Japan.
- 2007 - Golden Axe III, Landstalker: The Treasures of King Nole, Streets of Rage 3, and Super Thunder Blade are released for the Wii Virtual Console in Europe.
- 2011 - Sega Bass Fishing and Space Channel 5: Part 2 are released for the Xbox 360 in Japan, North America, Europe, and Australia and for the PlayStation 3 in Japan, North America, Europe, Australia, South Korea, and Taiwan.
- 2012 - Border Break NA Part 2, a book, is released alongside NiGHTS into Dreams and Sonic Adventure 2 for the Xbox 360 in Japan. NiGHTS into Dreams and Sonic Adventure 2 are released for the Xbox 360 in North America, Europe, Australia, and Taiwan.
- 2015 - Pachislot Bayonetta, a gambling machine, is released in Japan. Sonic Dash 2: Sonic Boom is released for iOS in North America and Europe.
- 2021 - Super Monkey Ball Banana Mania is released for the PlayStation 4, Xbox One, Nintendo Switch, PlayStation 5, and on Steam in North America, Europe, and Australia.