Anniversaries/April 12
From Sega Retro
April 12 (add)
- 1987 - The Sega-sponsored Akai Koudan Zillion begins airing in Japan.
- 1992 - Euro Disney opens to the public and Sega begins maintaining an 800 square feet arcade installation in the Festival Disney area of the park.
- 1996 - Shin Megami Tensei: Devil Summoner no Subete, a book, is released in Japan. Valora Valley Golf is released for the Sega Saturn in the United Kingdom while Titan Wars and X-Men: Children of the Atom are released for the Sega Saturn in Europe.
- 1999 - Capcom Generation Koushiki Guide Book, a book, is released in Japan.
- 2000 - Plasma Sword: Nightmare of Bilstein is released for the Sega Dreamcast in North America. Wetrix+ is released for the Sega Dreamcast in Spain.
- 2001 - Angel Present, Eldorado Gate Vol. 4, and Sports Jam are released for the Sega Dreamcast in Japan.
- 2003 - Crazy Taxi: Catch a Ride is released for the Game Boy Advance in North America.
- 2006 - Sakura Wars TV Coffret 1, a DVD, is released in France.
- 2007 - Jissen Pachi-Slot Hisshouhou! Mr. Magic Neo is released for the PlayStation 2 alongside Shining Force Chronicle III for EZweb (BREW 3.1) compatible phones though Sega's Sega Ages portal in Japan. After Burner: Black Falcon is released for the PlayStation Portable in Australia.
- 2010 - Zaxxon is released for the Wii Virtual Console in North America.
- 2011 - The Arcade version of Puyo Puyo is released for the Wii Virtual Console in Japan. Sonic & Sega All-Stars Racing is made available for digital download on the Xbox 360 in North America and Europe.
- 2012 - Super Street Fighter II: The New Challengers is released for the Wii Virtual Console in Europe.
- 2013 - Sonic the Hedgehog 4 Episode II Lite is released for Android devices in North America.
- 2022 - 13 Sentinels: Aegis Rim is released for the Nintendo Switch in North America, Europe, and Australia.