Anniversaries/June 1
From Sega Retro
June 1 (add)
- 1988 - The Freedom Stick, a third-party arcade stick by Camerica, is released for the Sega Master System in North America.
- 1993 - Barney's Hide & Seek Game is released for the Sega Mega Drive in North America.
- 1994 - The Sonic Collection, a book, is released alongside the Sega Channel launching in North America.
- 1995 - Game no Kanzume Otokuyou is released for the Sega Mega Drive through the Sega Channel service in Japan. Zoop is released for the Sega Mega Drive in North America.
- 1998 - Kidou Senshi Gundam: Giren no Yabou Operation Manual, a book, is released in Japan.
- 2000 - Sakura Taisen Koushiki Guide: Renai Hen Kaitei ban and Sakura Taisen Koushiki Guide: Sentou Hen Kaitei ban, both books, are released alongside Golf Shiyouyo Kouryaku Pack for the Sega Dreamcast in Japan. Bust-A-Move 4 is released for the Sega Dreamcast in North America.
- 2001 - PC Setsuzoku Kit Pico Town ni Dekakeyou! is released for the Sega Pico in Japan. 18 Wheeler: American Pro Trucker and Stunt GP are released for the Sega Dreamcast alongside Crazy Taxi for the PlayStation 2 in Europe. StarLancer is released for the Sega Dreamcast in Australia.
- 2003 - Jet Grind Radio is released for the Game Boy Advance in North America.
- 2004 - Wonder Boy is released for Vodafone Live! (256KB) compatible phones through Sega's Sega Ages portal alongside Phantasy Star Online: Blue Burst for Windows PCs in Japan.
- 2005 - Phantasy Star Online Blue Burst Masters Guide: Episode IV, a book, is released in Japan.
- 2006 - Sakura Taisen V: Saraba, Itoshiki Hitoyo Joukikoushou USA, a book, is released alongside World Football Climax for the PlayStation 2 and Columns Jewel for EZweb (BREW 3.1) compatible phones through Sega's Sonic Cafe portal in Japan.
- 2007 - Sugorouku is released for Vodafone Live! (256KB) compatible phones through Sega's Sonic Cafe portal in Japan. Kid Chameleon, Streets of Rage 2, and ToeJam & Earl in Panic on Funkotron are released for the Wii Virtual Console in Europe.
- 2010 - Altered Beast, Comix Zone, Crack Down, Ecco the Dolphin, Gain Ground, Golden Axe, Shadow Dancer: The Secret of Shinobi, Shinobi III: Return of the Ninja Master, Sonic 3D Blast, Space Harrier II, and Vectorman are released in North America, Europe, and Australia, while Sega Mega Drive Classics Pack is released in North America and Europe on Steam. Alpha Protocol is released for the Xbox 360 and Steam, with a physical Windows PC version in North America and for the PlayStation 3 in North America and South Korea.
- 2011 - Edomae! Sushi Michi is released for Vodafone Live! (3G) compatible phones through Sega's Puyo Puyo! Sega portal in Japan. Streets of Rage 2 is released for the PlayStation 3 in Europe and Australia.
- 2016 - Valkyria Chronicles is made available for digital download on the PlayStation Store in Europe and Australia.
- 2020 - Monster Boy and the Cursed Kingdom and Panzer Dragoon: Remake are released for Google Stadia in North America.
- 2021 - Virtua Fighter 5 Ultimate Showdown is released in Japanese Arcades and for the PlayStation 4 in Japan, North America, Europe, Australia, South Korea, and Taiwan. Sonic the Hedgehog: Bad Guys, a book, is released in North America and the United Kingdom.
- 2023 - Etrian Odyssey HD, Etrian Odyssey II HD, Etrian Odyssey III HD, and Etrian Odyssey Origins Collection are released for the Nintendo Switch in Japan, North America, Europe, Australia, and Taiwan.