Anniversaries/October 12
From Sega Retro
October 12 (add)
- 1990 - Fatman and FZ Senki Axis are released for the Sega Mega Drive in Japan.
- 1999 - Sega Rally 2 and Sonic Adventure are released for the Sega Dreamcast in France.
- 2000 - Sakura Taisen TV Series Uta no Album, a CD, is released alongside 18 Wheeler: American Pro Trucker, Pop'n Music 4 Append Disc, and Silent Scope for the Sega Dreamcast in Japan. Frogger 2: Swampy's Revenge is released for the Sega Dreamcast in North America. Sega Extreme Sports is released for the Sega Dreamcast in Germany.
- 2005 - Toku Toku Toranpu is released for Vodafone Live! (256KB) compatible phones through Sega's Pet * Sega portal in Japan. Rome: Total War - Barbarian Invasion is released for Windows PCs in Poland.
- 2006 - For Brighter Day Phantasy Star Universe Original Soundtrack, a CD, is released alongside Jukugon Sanran Ki for Vodafone Live! (256KB) compatible phones through Sega's Sonic Cafe portal in Japan.
- 2010 - Sonic the Hedgehog 4 Episode I is released for the Wii and iOS in Japan and for the PlayStation 3 in Japan, North America, South Korea, and Taiwan.
- 2011 - Guardian Heroes is released for the Xbox 360's Xbox Live Arcade service in Japan, North America, Europe, Australia, South Korea, and Taiwan.
- 2017 - Beyond Oasis is made available for the Sega Forever service for Android devices in North America, Europe, and Australia and for iOS in North America and Europe.
- 2020 - Alien Cat 2, an aftermarket Sega Mega Drive game, is released in North America.
- 2023 - Company of Heroes Collection is released for the Nintendo Switch worldwide.