Anniversaries/September 17
From Sega Retro
September 17 (add)
- 1993 - Gauntlet is released for the Sega Mega Drive alongside Thunderhawk, Warau Salesman, and Winning Post for the Sega Mega-CD in Japan.
- 1997 - Last Bronx Radio Drama Vol. 1, a Drama CD, is released in Japan. Virtua Fighter 2 is released for Windows PCs in North America.
- 1998 - Gensou Suikoden and Simulation RPG Tsukuru are released for the Sega Saturn in Japan.
- 1999 - Airline Pilots/Shouboushi Brave Fire Fighters, Hang the DJ, and Pro Yakyuu Team o Tsukurou!: Original Sound Track, all CDs, are released in Japan.
- 2000 - Rune Jade Official Guide, a book, is released in Japan.
- 2001 - Doki Doki Penguin Land is released for i-mode 503i compatible phones through Sega's Sonic Cafe portal in Japan.
- 2002 - Sega Soccer Slam is released for the PlayStation 2 in North America.
- 2007 - Super Thunder Blade is released for the Wii Virtual Console in North America.
- 2008 - Super Monkey Ball Uki Uki Seesaw is released for Vodafone Live! (3G) compatible phones through Sega's Puyo Puyo! Sega portal in Japan.
- 2009 - Pocket Monsters Diamond & Pearl Pokémon o Sagase! Meiro de Daibouken! is released for the Advanced Pico Beena alongside The House of the Dead: Overkill for the Wii in Japan. Wacky World of Sports is released for the Wii in Australia. Sonic Rush Adventure is released for the Nintendo DS in South Korea.
- 2010 - Phantasy Star Portable 2 is released for the PlayStation Portable in the United Kingdom.
- 2014 - Sonic Heroes is released for the PlayStation 3 in Japan.
- 2015 - Phantasy Star Online 2 Episode 1 & 2 Settei Shiryoushuu, a book, is released in Japan. Company of Heroes 2 is released for the Mac App Store in North America and Europe.
- 2016 - Phantasy Star Online 2 Fashion Catalog 2015-2016 Oracle & Tokyo Collection, a book, is released in Japan.
- 2020 - maimai Deluxe Splash is released in Arcades for the ALLS HX2 board alongside Mad Stalker: Full Metal Forth, an aftermarket Sega Mega Drive game in Japan.