Anniversaries/September 27
From Sega Retro
September 27 (add)
- 1991 - Master of Weapon and Senjou no Ookami II are released for the Sega Mega Drive alongside Putt & Putter for the Sega Game Gear in Japan.
- 1996 - Policenauts Koushiki Kanzen Guide Book, a book, is released alongside Ai Iijima: Good Island Cafe, Gals Panic SS, Haunted Casino, Joshikousei no Houkago... Pukunpa, Magical Drop 2, Mahjong Yon-Shimai: Wakakusa Monogatari, Mezase Idol Star!! Natsuiro Memories: Mahjong Hen, Okudera Yasuhiko no Sekai o Mezase! Soccer Kids: Nyuumon Hen, Private Idol Disc Vol. 3: Ooshima Akemi, Sakura Taisen, Sangokushi V, Saturn Bomberman, Sega Ages After Burner II, Thunder Force: Gold Pack 1, and Tokimeki Memorial: Taisen Pazurudama, and Toshinden URA for the Sega Saturn in Japan. Virtua Fighter Animation and X-Men: Mojo World are released for the Sega Game Gear alongside Casper and Three Dirty Dwarves for the Sega Saturn in North America. Space Hulk: Vengeance of the Blood Angels is released for the Sega Saturn in Europe.
- 1998 - Dennou Senki Virtual-On Oratorio Tangram, a book, is released in Japan.
- 2000 - ESPN International Track & Field is released for the Sega Dreamcast in North America. San Francisco Rush 2049 is released for the Sega Dreamcast in Germany. Power Stone 2 and WWF Royal Rumble are released for the Sega Dreamcast in Spain.
- 2001 - Garou: Mark of the Wolves, Memories Off 2nd, Pachi-Slot Teiou Dream Slot: Olympia SP, and Typing of the Date are released for the Sega Dreamcast in Japan.
- 2002 - F355 Challenge is released for the PlayStation 2 alongside Beach Spikers: Virtua Beach Volleyball for the Nintendo Gamecube in Europe.
- 2005 - Kodai Ouja Kyouryuu King is released in Japanese Arcades for the Sega System SP board. Rome: Total War - Barbarian Invasion is released for Windows PCs in North America.
- 2006 - Crossword no Mori 2: Ubawa Reta Mori is released for Vodafone Live! (256KB) compatible phones through Sega's Pet * Sega portal in Japan.
- 2007 - Phantasy Star Universe: Ambition of the Illuminus is released for the PlayStation 2 and Windows PCs alongside PictoImage DS for the Nintendo DS in Japan. Sega Rally Revo is released for the Xbox 360, PlayStation 3, and Windows PCs alongside Sonic Rush Adventure for the Nintendo DS and Crazy Taxi: Fare Wars and Sega Rally Revo for the PlayStation Portable in Australia.
- 2010 - Shuukan Crossword no Mori is released for i-mode 90x compatible phones through Sega's Puyo Puyo! Sega portal in Japan.
- 2012 - The Typing of the Dead EX is released for Windows PCs in Japan. Dead or Alive 5 is released for the Xbox 360 in Japan, Australia, and New Zealand and for the PlayStation 3 in Japan, Australia, and South Korea.
- 2016 - Sonic Boom: Fire & Ice is released for the Nintendo 3DS in North America.
- 2018 - Chain Chronicle Kara Manabu Smartphone RPG no Tsukurikata, a book, is released alongside Senjou no Valkyria and Senjou no Valkyria 4 for the Nintendo Switch in Japan. Valkyria Chronicles 4 is released for the Nintendo Switch in South Korea and Hong Kong. Total War: Warhammer - Dark Gods Edition is released for Windows PCs in Europe.
- 2020 - Panzer Dragoon: Remake is released for the PlayStation 4 in Europe and Australia.