Anniversaries/June 17
From Sega Retro
June 17 (add)
- 1991 - Advanced Daisenryaku: Deutsch Dengeki Sakusen is released for the Sega Mega Drive in Japan.
- 1994 - Shin Souseiki Ragnacenty is released for the Sega Mega Drive in Japan.
- 2000 - MDK 2 is released for the Sega Dreamcast in Australia.
- 2003 - Sonic Adventure DX: Director's Cut: Prima's Official Strategy Guide, a book, is released alongside Sonic Adventure DX: Director's Cut for the Nintendo Gamecube in North America.
- 2004 - Pizzicato Polka: Ensa Genya is released for the Sega Dreamcast alongside Blades of Glory for EZweb (BREW 2.0) compatible phones through Sega's Pet * Sega portal, Fantasy Zone for EZweb (BREW 2.0) compatible phones through Sega's Sega Ages portal, and Sonic Advance 3 is released for the Game Boy Advance, all in Japan.
- 2008 - Sonic Reversi Hyper is released for Club Air-Edge compatible phones through Sega's Puyo Puyo! Sega portal in Japan. Sonic Underground: The Greatest Hits Volume 2, a CD, is released in North America.
- 2009 - DUX, an aftermarket Sega Dreamcast game, is released in Europe.
- 2014 - Napoleon: Total War is released for Mac OS X through Steam in North America and Europe.
- 2019 - Armed Seven and Magic Pockets, both aftermarket Sega Dreamcast games, are released in North America.
- 2020 - Volumes 1 and 2 of Shin Sakura Taisen the Animation, both DVDs and Blu-rays, are released in Japan. Sonic the Hedgehog DJ Style "Party", a CD, is released physically in Japan, made available for download and streaming from Amazon in Japan, North America, and Europe, made avalible for download from iTunes in Japan, North America, and Europe, as well as the Mora streaming platform in Japan.