From Sega Retro
- 1990 - Assault Suit Leynos is released for the Mega Drive in Japan.
- 2000 - Puzzle Bobble 4 and Shanghai Dynasty are released for the Dreamcast in Japan, alongside Roommate Inoue Ryouko Complete Box for the Sega Saturn and Bikkuriman 2000 Viva! Pocket Festival! for the Neo Geo Pocket Color. The album Space Channel 5 Remix Tracks is also released in Japan.
- 2005 - Shining Tears Official Strategy Guide is released in North America.
- 2006 - Jissen Pachi-Slot Hisshouhou! Ultraman Club ST is released for the PlayStation 2 in Japan.
- 2009 - Stormrise Official Strategy Guide is released in North America.
- 2010 - Infinite Space is released for the Nintendo DS and Resonance of Fate is released for the PlayStation 3 and Xbox 360 in North America.
- 2012 - Yakuza: Dead Souls is released for the PlayStation 3 in Europe.