Anniversaries/November 21
From Sega Retro
November 21 (add)
- 1989 - Crack Down/Gain Ground and Tetremix, both CDs, are released in Japan.
- 1990 - Game Music Festival '90, a VHS, is released alongside I Love Mickey Mouse: Fushigi no Oshiro Daibouken, Phantasy Star II: Shilka's Adventure, and Shi no Meikyu: Labyrinth of Death for the Sega Mega Drive in Japan.
- 1991 - Shadow of the Beast is released for the Sega Master System alongside F-22 Interceptor: Advanced Tactical Fighter for the Sega Mega Drive in Europe.
- 1992 - Sonic the Hedgehog 2 is released for the Sega Mega Drive and Sega Game Gear in Japan. Official Sega Genesis Power Tips Book, a book, is released in North America. Sonic the Hedgehog 2 is released for the Sega Mega Drive in South Korea.
- 1994 - The Sega Genesis 32X goes on sale for $159.99 USD with the games Doom, Star Wars Arcade, and Virtua Racing Deluxe in North America.
- 1995 - Shining Wisdom, a CD, is released in Japan.
- 1996 - Virtua Fighter 2 Genesis is released for the Sega Mega Drive alongside Batman Forever, Break Point Tennis, Daytona USA: Championship Circuit Edition, and Highway 2000 for the Sega Saturn in North America.
- 1997 - Daytona USA Evolution is released for Windows PCs in Japan. Sonic R is released for the Sega Saturn in Europe.
- 1998 - Sakura Taisen Kayou Show Teikoku Kagekidan Dai 2-kai Hanagumi Tokubetsu Kouen "Tsubasa", a VHS and LaserDisc for the stage play of the same name, is released in Japan.
- 1999 - J.League Pro Soccer Club o Tsukurou! Original Sound Track, a CD, is released alongside Sakura Taisen Kayou Show Teikoku Kagekidan Dai 3-kai Hanagumi Tokubetsu Kouen "Beni Tokage", a VHS, LaserDisc, and DVD for the stage play of the same name in Japan.
- 2000 - Dave Mirra Freestyle BMX and Disney's Dinosaur are released for the Sega Dreamcast in North America. Jet Set Radio is released for the Sega Dreamcast in Spain.
- 2001 - Segacon: The Best of Sega Game Music Vol. 2, a CD, is released in Japan. Floigan Bros. Episode 1 and Virtua Tennis 2 are released for the Sega Dreamcast in Spain.
- 2002 - Roommate Asami: Okusama ha Joshikousei - Director's Edition is released for the Sega Dreamcast alongside Super Monkey Ball 2 for the Nintendo Gamecube in Japan.
- 2005 - Columns Jewel is released for i-mode 505i compatible phones through Sega's Sonic Cafe portal in Japan.
- 2006 - Sonic Rivals is released for the PlayStation Portable in North America.
- 2007 - Shining Wind Drama CD Vol. 1, a Drama CD, is released in Japan.
- 2008 - Senjou no Valkyria Part 1, a book, is released alongside World Destruction: Sekai Bokumetsu no Rokunin Vol. 3, a DVD, in Japan. The Yobo FC3 Plus, a clone console from Yobo Gameware, is released in North America. Football Manager 2009 is released for Windows PCs and Mac OS X in Poland.
- 2012 - Galileo Factory 3: Planet Zero, a medal game, is released in Japanese Arcades. Jet Set Radio is released for the PlayStation Vita in Europe and Australia.
- 2013 - Castle of Illusion Starring Mickey Mouse is released for iOS in North America, Europe, and Australia.
- 2014 - Super Smash Bros. for Wii U is released for the Wii U in North America. Hatsune Miku: Project DIVA F 2nd is released for the PlayStation 3 and PlayStation Vita alongside Persona 4 Arena Ultimax for the Xbox 360 and PlayStation 3, Sonic Boom: Rise of Lyric for the Wii U, and Sonic Boom: Shattered Crystal for the Nintendo 3DS, all in Europe.
- 2016 - Soul Reverse Zero is released for Android devices and iOS in Japan.
- 2017 - Sonic the Hedgehog 2 is made available for the Sega Forever service for Android devices in North America, Europe, and Australia and for iOS in North America and Europe.
- 2018 - Ryu ga Gotoku Online is released for Android devices in Japan.
- 2023 - Sonic Frontiers is released on the Epic Games Store in North America, Europe, and Australia.