Anniversaries/June 23
From Sega Retro
June 23 (add)
- 1990 - Daisenpuu is released for the Mega Drive in Japan.
- 1994 - Summer CES 1994 begins in the United States. Sensible Soccer Demo Version, a demo disc, is released for the Sega Mega-CD in the United Kingdom.
- 1995 - CGMV Virtua Fighter 2, a Video CD, is released alongside Blue Seed: Kushinada Hirokuden, Digital Pinball: Last Gladiators, Photo CD Operator, Sega Saturn Denshi Book Operator, and the Movie Card peripheral for the Sega Saturn, all in Japan.
- 2000 - Pocket Sakura, an LCD game, is released alongside Sega Archives from USA Vol. 1 for Windows PCs in Japan. The Nomad Soul is released for the Sega Dreamcast in Europe.
- 2001 - Phantasy Star Online Ver. 2 Perfect Guide, a book, is released alongside Sonic the Hedgehog 10th Anniversary, a CD, Monkey Ball being released in Arcades for the Sega NAOMI GD-ROM board, and Sonic Adventure 2 for the Sega Dreamcast in Japan. Sonic Adventure 2 is released for the Sega Dreamcast in Europe. Sonic Collector's Edition is released for Windows PCs in China.
- 2002 - Tranquilizer Gun is released for i-mode 503i, i-mode 504i, and i-mode 505i compatible phones through Sega's Sonic Cafe portal in Japan.
- 2004 - Phantasy Star Online Episode I & II Premium Arrange, a CD, is released in Japan.
- 2005 - Kouchuu Ouja Mushiking: Greatest Champion e no Michi is released for the Game Boy Advance in Japan.
- 2006 - Tenchu: Time of the Assassins is released for the PlayStation Portable alongside OutRun 2006: Coast 2 Coast for Windows PCs in the United Kingdom. OutRun 2006: Coast 2 Coast is released for Windows PCs in North America.
- 2008 - Like a Dragon premieres in cinemas in the United States while Alex Kidd in Miracle World for the Wii Virtual Console in North America.
- 2009 - The Arcade version of Golden Axe is released for the Wii Virtual Console alongside the Sega Mega Drive version for iOS alongside Sonic Putter for i-mode 90x compatible phones through Sega's PuyoSega portal in Japan. The Conduit is released for the Wii in North America.
- 2010 - Sakura Taisen Teito Hanagumi Live 2010, a CD for the stage play of the same name, is released in Japan.
- 2011 - Sonic Bowling is released for i-mode 90x compatible phones through Sega's Puyo Puyo! Sega portal alongside Sonic Tennis DX for EZweb (BREW 3.1) compatible phones through Sega's Puyo Puyo! Sega portal and Sonic 20th Anniversary for iOS in Japan. Sonic & Sega All-Stars Racing is released for iOS in North America. Sonic the Hedgehog Anniversary Bundle is released for the PlayStation 3 alongside Sonic & Sega All-Stars Racing for iOS in Europe and Australia.
- 2014 - Company of Heroes 2: The Western Front Armies is released on Steam in North America, Europe, and Australia.
- 2016 - Mario & Sonic at the Rio 2016 Olympic Games is released for the Wii U alongside Hatsune Miku: Project DIVA Arcade Future Tone for the PlayStation 4 in Japan. Mario & Sonic at the Rio 2016 Olympic Games is released for the Nintendo 3DS in South Korea.
- 2017 - Sonic the Hedgehog Cafe Selection is made available to download from Amazon and iTunes in Japan. The Minigen, a clone console released by Gamerz Tek, is released in North America.
- 2020 - Sonic the Hedgehog Volume 6: The Last Minute, a book, is released in North America.
- 2021 - The Sonic 30th Anniversary Symphony is streamed live on the official Sonic the Hedgehog YouTube and Twitch channels worldwide.
- 2022 - Sonic Origins is released for the PlayStation 4, Xbox One, Nintendo Switch, PlayStation 5, Steam, and Epic Games Store in Japan, North America, Europe, Australia, South Korea, and Taiwan.
- 2023 - C-Smash VRS is released for the PlayStation 5 in North America, Europe, Australia, South Korea, and Taiwan while Sonic Origins Plus is released for the PlayStation 4, Nintendo Switch, and PlayStation 5 in Japan, North America, Europe, Australia, South Korea, and Taiwan with the Xbox One version being released in North America, Europe, and Australia.