Anniversaries/February 23
From Sega Retro
February 23 (add)
- 1991 - Pop Breaker is released for the Game Gear in Japan.
- 1994 - Virtua Fighter CGMV, a VHS, is released in Japan.
- 1995 - NBA Jam Tournament Edition is released for the Mega Drive in North America, Europe, and Australia. Popful Mail is released for the Mega-CD in North America.
- 1996 - Alone in the Dark 2, Hyper 3D Taisen Battle Gebockers, J.League Pro Soccer Club o Tsukurou!, Kururin Pa!, Logic Puzzle Rainbow Town, Vampire Hunter: Darkstalkers' Revenge, Omakase! Savers, Teitoku no Ketsudan II, Ryouri no Tetsujin: Kitchen Stadium Tour, Sea Bass Fishing, Shichuu Suimei Pitagraph and Thunderhawk II are released for the Saturn alongside Shadowrun for the Mega-CD in Japan. 52 Igry Dlya Sega MegaDrive and 52 Igry Dlya Sega MegaDrive Vypusk 1, both books, are released in Russia.
- 2000 - Dreamcast Express Vol. 5 releases for the Sega Dreamcast in Japan.
- 2001 - Grandia II, Phantasy Star Online, and Sonic Adventure 2: The Trial are released for the Dreamcast in Europe. AOU Show 2001 starts.
- 2004 - Sonic Hopping is released for i-mode 503i and i-mode 505i compatible phones though Sega's Sonic Cafe portal.
- 2006 - Kouchuu Ouja Mushiking: Mori no Tami no Densetsu Soundtrack Best Selection, a CD, is released, Shining Force Chronicle I is released for EZweb (BREW 2.1) compatible phones though Sega's Sega Ages portal, Sega Ages 2500 Series Vol. 22: Advanced Daisenryaku: Deutsch Dengeki Sakusen and Sega Ages 2500 Series Vol. 25: Gunstar Heroes Treasure Box are released for the PlayStation 2, Sonic Riders is released for the PlayStation 2, Nintendo Gamecube, and Xbox, and Initial D: Street Stage is released for the PlayStation Portable, all in Japan.
- 2009 - Sakura Taisen Shou Gekijou Part 4 and Sakura Taisen Mangaban Volume 9 is released in Japan.
- 2010 - Sonic World Adventure is made available for digital download on the Xbox 360 in Japan. Sonic & Sega All-Stars Racing is released for the Xbox 360, Wii, PlayStation 3, and Nintendo DS, the Limited Edition of Napoleon: Total War is released for Windows PCs, and Yakuza: Like a Dragon, a DVD, is released, all in North America. Aliens vs. Predator is released for Windows PCs in Asia.
- 2011 - Shining Force Cross Raid Guide Book 1st, a book, is released alongside Ai ga Kaoru Koro ni, Pachislot Sakura Taisen 3 Original Soundtrack, and Senjou no Valkyria 3 Original Soundtrack, all CDs, are released, as well as For Brighter Day Phantasy Star Universe Original Soundtrack, Let the Winds Blow Phantasy Star Online Episode III C.A.R.D. Revolution Original Sound Track, Phantasy Star 0 Original Sound Track, Phantasy Star Online Original Sound Track, and Phantasy Star Online Songs of Ragol Odyssey: Soundtrack Episode 1 & 2 are released for the Mora streaming platform, all in Japan.
- 2012 - Binary Domain is released for the Xbox 360 and PlayStation 3 in Australia. The House of the Dead: Overkill Director's Cut is released for the PlayStation 3 alongside Nightmare Puzzle Crush3D for the Nintendo 3DS in Japan.
- 2017 - Halo Wars 2 is released for the Xbox One in Japan. Pop in Q: Dance for Quintet is released worldwide for Android devices and for iOS exclusively in Japan.
- 2019 - Sega Ages OutRun: Music Collection, a CD, is released in Japan.
- 2021 - Persona 5 Strikers is released for PlayStation 4, Nintendo Switch, and Steam in North America, Europe, and Australia.