Anniversaries/August 20
From Sega Retro
August 20 (add)
- 1987 - Fantasy Zone Hisshou Kanpeki Hon, a book, is released in Japan.
- 1993 - The Killing Game Show is released for the Sega Mega Drive alongside the launch of the LaserActive with the games I Will: The Story of London, Pyramid Patrol, and The Great Pyramid, and the Karaoke Microphone and Remote Control Unit accessories in Japan. The StuntMaster, a head-mounted display with basic stereoscopic effects by Victormaxx is released for the Sega Mega Drive in North America.
- 1996 - NiGHTS Hisshou Kouryaku Hou and NiGHTS Koushiki Guide Book, both books, are released in Japan. Sega Tunes: ToeJam & Earl in Panic on Funkotron, Sega Tunes: X-Men 2: Clone Wars, and Virtual Sonic, all CDs, are released in North America.
- 1997 - Warcraft II: The Dark Saga is released for the Sega Saturn in North America.
- 1998 - Baroque Kanzen Guide Book, a book, is released alongside Beach de Reach! and ImageFight & XMultiply: Arcade Gears for the Sega Saturn in Japan.
- 2002 - Prima's Official Strategy Guide: NFL 2K3, a book, is released alongside the game it is for, NFL 2K3, for the Nintendo Gamecube, as well as Sega Soccer Slam for the Xbox in North America.
- 2003 - Sakura Taisen: École de Paris Part 3, a VHS and DVD, is released in Japan.
- 2007 - Shinobi III: Return of the Ninja Master is released for the Wii Virtual Console in North America.
- 2012 - Pachinko CR Virtua Fighter Revolution, a gambling machine, is released in Japan.
- 2013 - The Sega Mega Drive version of Castle of Illusion Starring Mickey Mouse is made available to download on the PlayStation 3 for those that pre-ordered the 2013 remake in North America. Anarchy Reigns is made available for digital download on the Xbox 360 in North America, Europe, Australia, and South Korea.
- 2014 - Sega Ages 2500 Series Vol. 17: Phantasy Star Generation: 2 is released for the PlayStation 3 alongside 3D Thunder Blade for the Nintendo 3DS in Japan. Sonic the Hedgehog episodes are uploaded to YouTube for free from WildBrain worldwide.
- 2015 - 3D Gunstar Heroes is released for the Nintendo 3DS in North America and Europe.