Anniversaries/October 24
From Sega Retro
October 24 (add)
- 1987 - SDI: Strategic Defense Initiative is released for the Sega Master System in Japan.
- 1996 - Madden NFL 97 is released for the Sega Mega Drive in North America. Tomb Raider is released for the Sega Saturn in Europe.
- 1999 - J.League Pro Soccer Club o Tsukurou! Winner's Bible: Saikyou e no Fuseki, a book, is released in Japan.
- 2000 - Demolition Racer: No Exit, Ready 2 Rumble Boxing Round 2, Silent Scope, and Super Runabout: San Francisco Edition are released for the Sega Dreamcast in North America. Le Mans 24 Hours is released for the Sega Dreamcast in Germany. Metropolis Street Racer, Street Fighter Alpha 3, and Urban Chaos are released for the Sega Dreamcast in Australia.
- 2001 - Sakura Taisen Kayou Show Goshuunen Kinen Kouen "Kaijin Betsusou", a CD for the stage play of the same name and Segacon: The Best of Sega Game Music Vol. 1, both CDs, are released in Japan.
- 2002 - Mei ☆ Puru and Missing Parts 2: The Tantei Stories are released for the Sega Dreamcast alongside GetBass Battle for the PlayStation 2 in Japan.
- 2003 - Avalon no Kagi Madou Academy Nyuumonsho & Card Complete Guide, a book, is released in Japan.
- 2004 - Puyo Puyo Fever is released for Pocket PCs in Japan.
- 2006 - Phantasy Star Universe is released for the PlayStation 2, Xbox 360, and Windows PCs in North America.
- 2008 - World Destruction: Sekai Bokumetsu no Rokunin Vol. 2, a DVD, is released in Japan.
- 2012 - Genpei Taisen Emaki Plus is released for Android devices in Japan. Super Monkey Ball: Banana Splitz is made available for digital download on the PlayStation Store in South Korea and Taiwan.
- 2013 - Sonic Lost World Bonus Soundtrack (Special Selection), a CD, is released alongside the Mid-size attraction Sonic Brain Ranking in Arcades at Tokyo Joypolis and Sonic Lost World for the Wii U and Nintendo 3DS in Japan.
- 2014 - Puyo Puyo Lock App is released for Android devices through Sega's Puyo Puyo! Sega portal in Japan. Bayonetta 2 and Bayonetta are released for the Wii U in North America and Europe.
- 2018 - Chain Chronicle 5th Anniversary Original Soundtrack, a CD, is released in Japan. The MegaRetroN HD, an unlicensed Sega Mega Drive clone console by Hyperkin, is released in North America.
- 2019 - Chunithm Crystal is released in Japanese Arcades for the Nu 1.1 board.
- 2023 - UFO Catcher Hon Mono Sokkuri Pouchi Book, a book, is released in Japan. Sonic the Hedgehog Volume 15: Urban Warfare, a book, is released in North America and the United Kingdom.