Anniversaries/February 18
From Sega Retro
February 18 (add)
- 1987 - Loretta no Shouzou: Sherlock Holmes is released for the SG-1000 in Japan.
- 1992 - Seirei Shinseiki Fhey Area is released for the Sega Mega-CD in Japan.
- 1994 - Air Management II: Koukuuou o Mezase, Cool Spot, Eternal Champions and NFL Pro Football '94 are released for the Sega Mega Drive in Japan. Ground Zero Texas is released for the Sega Mega-CD in the United Kingdom.
- 1996 - Defcon 5 is released for the Sega Saturn in North America.
- 1998 - Burning Rangers Sound Track and Yu Suzuki Produce G-LOC/R360/Virtua Racing, both CDs, are released alongside Sega Rally 2 in Arcades for the Sega Model 3 Step 2.0 board, as well as AOU Show 1998 beginning in Japan. Winter Heat is released for the Sega Saturn in North America.
- 1999 - AOU Show 1999 begins in Japan. Sega Smash Pack is released for Windows PCs in North America.
- 2000 - Streets of Rage 2 Original Soundtrack, a CD, is released in North America. Airforce Delta is released for the Sega Dreamcast in Europe.
- 2002 - Pokke ni Tennis Doubles is released for i-mode 503i compatible phones alongside Speed for i-mode 503i compatible phones though Sega's Sonic Cafe portal in Japan.
- 2003 - Virtua Cop 3 is released in Japanese Arcades for the Sega Chihiro board.
- 2004 - Lady Commando is released for J-Sky (50KB) compatible phones through Sega's Pet * Sega portal alongside Ulala no Swingin' Slot for J-Sky (50KB) compatible phones though Sega's Ulala no Channel J portal, as well as Deck Quest for J-Sky (100KB) and Vodafone Live! (256KB) compatible phones through Sega's Pet * Sega portal, all in Japan.
- 2005 - Astro Boy: Omega Factoris released for the Game Boy Advance in Europe. Sonic Mega Collection Plus is released for the Xbox in Australia.
- 2008 - Phantasy Star II is released for the Wii Virtual Console in North America.
- 2010 - Aliens vs. Predator is released for Windows PCs in Australia. Vancouver 2010 is released on Steam in North America and Europe.
- 2011 - AOU Show 2011 begins.
- 2015 - Virtua Fighter Best Tracks + One, a CD, is released alongside Sonic Advance for the Wii U Virtual Console in Japan.
- 2016 - Mario & Sonic at the Rio 2016 Olympic Games is released for the Nintendo 3DS in Japan.
- 2020 - Sonic the Hedgehog Volume 5: Crisis City, a book, is released in North America. Bayonetta/Vanquish is released for the PlayStation 4 and Xbox One in North America, Europe, and Australia.
- 2023 - The Digital Deluxe Edition of Like a Dragon: Ishin! is released for the PlayStation 4, Xbox One, PlayStation 5, and Steam in Japan, Australia, South Korea, and Taiwan.