Anniversaries/August 13
From Sega Retro
August 13 (add)
- 1993 - Marble Madness is released for the Sega Mega Drive in Japan.
- 2002 - Oyoge! Mahiru-chan is released for J-Sky (50KB) compatible phones through Sega's Pocket Works portal in Japan. NCAA College Football 2K3 is released for the Xbox in North America.
- 2003 - Pine no Panel Puzzle is released for J-Sky (50KB) compatible phones through Sega's Ulala no Channel J portal in Japan.
- 2004 - Sakura Taisen Teikoku Kagekidan Hanagumi Super Kayou Show "Shin Saiyuuki", a stage play, debuts in Japan.
- 2005 - Sakura Taisen Teikoku Kagekidan Hanagumi Super Kayou Show "Shin Aoi Tori", a stage play, debuts in Japan.
- 2007 - Shining in the Darkness is released for the Wii Virtual Console in North America.
- 2013 - Sonic & All-Stars Racing Transformed is made available for digital download on the Xbox 360 in North America, Europe, and Australia. Aliens: Colonial Marines Original Soundtrack Recording is released worldwide by Kevin Riepl, who made the music for the game.
- 2017 - Chunithm Original Sound Track: World of Metaverse is made available to download from Amazon in Japan, North America, and Europe.
- 2019 - Adventures of Sonic the Hedgehog The Complete Animated Series is released on DVD alongside Sakura Wars The Complete TV Series being released on Blu-ray in North America.