Anniversaries/January 23
From Sega Retro
January 23 (add)
- 1996 - Mortal Kombat II is released for the Sega Saturn in North America.
- 2001 - The Typing of the Dead is released for the Sega Dreamcast in North America.
- 2004 - Hitori de Puyo Puyo is released for EZweb (BREW 2.0) compatible phones though Sega's Sega Ages portal alongside Super Monaco GP is released for EZweb (Java Phase 3) compatible phones though Sega's Sega Ages portal in Japan.
- 2006 - Shadow Shoot is released for i-mode 505i compatible phones though Sega's Sonic Cafe portal in Japan.
- 2008 - True Blue: The Best of Sonic the Hedgehog, a CD, is released in Japan.
- 2009 - Blazer Drive DS Original Soundtrack, a CD, is released in Japan. The Sega Master System version of Wonder Boy in Monster Land is released for the Wii Virtual Console alongside Football Manager Live for Windows PCs and Mac OS X in Europe.
- 2010 - J.League Pro Soccer Club o Tsukurou! 6: Pride of J Perfect Guide, a book, is released in Japan.
- 2013 - Ryu ga Gotoku 5: Yume, Kanaeshi Mono Kanzen Kouryaku Kyoku no Sho, a book, is released alongside Sega Network Taisen Mahjong MJ5 Evolution in Arcades for the Sega Ringedge board in Japan. The Cave is released for the Xbox 360 and Steam and Mac OS X through Steam in North America, Europe, and Australia, for the PlayStation 3 in Europe and Australia, and for the Wii U in Europe.
- 2014 - Uta Kumi 575 is released for the PlayStation Vita in Japan.
- 2015 - The Limited Edition version of The Art of Total War, a book, is released in North America, while the regular and Limited Editions are released in Europe and Australia.
- 2016 - Persona 3 The Movie: No. 4: Winter of Rebirth is released in cinemas in Japan.
- 2020 - maimai Deluxe Plus is released for the ALLS HX2 board alongside Mario & Sonic at the Olympic Games Tokyo 2020 - Arcade Edition for the ALLS UX board in Japanese Arcades. Sega Ages Fantasy Zone and Sega Ages Shinobi are released for the Nintendo Switch in North America, Europe, and Australia.
- 2021 - The first Sega Test, an examination taking place as part of Sega's 60th anniversary celebration, Go Sega, is conducted.