Anniversaries/June 28
From Sega Retro
June 28 (add)
- 1991 - Alien Storm, Fastest 1, Marvel Land, Saint Sword, and Wrestle War are released for the Sega Mega Drive in Japan.
- 1996 - Daitoride, Garou Densetsu 3: Road to the Final Victory, Hissatsu!, Ide Yousuke Meijin no Shin Jissen Mahjong, Kurubushi Kyoudai Gekijou Daiikkan Mahjong Hen, Rise of the Robots 2, Strikers 1945, Tanjou S: Debut, The Making of Nightruth, and Gekka Mugentan Torico are released for the Sega Saturn in Japan. Black Fire and Ghen War are released for the Sega Saturn in Europe.
- 2000 - Evolution 2: Far Off Promise, Marvel vs. Capcom 2: New Age of Heroes, Silver, Spirit of Speed 1937, and Wacky Races are released for the Sega Dreamcast in North America. Caesars Palace 2000: Millennium Gold Edition and Dragon's Blood are released for the Sega Dreamcast in Spain.
- 2001 - Gaia Master Kessen! Seikiou Densetsu, Gundam Battle Online, Magic: The Gathering, and Taisen Net Gimmick: Capcom & Psikyo All Stars are released for the Sega Dreamcast in Japan.
- 2002 - Crazy Taxi is released for Windows PCs in Europe.
- 2003 - Dash & Spin Chousoku Sonic Volume 1, a book, is released in Japan.
- 2004 - Sonic Hopping 2 is released for i-mode 503i and i-mode 505i compatible phones through Sega's Sonic Cafe portal in Japan.
- 2007 - Shining Wind Final Complete Guide, a book, is released in Japan. Shining Wind is released for the PlayStation 2 in South Korea.
- 2012 - Sonic the Hedgehog Skins is released for iOS in North America. London 2012 is released for the Xbox 360 and PlayStation 3 in Australia and for Steam in North America, Europe, and Australia.
- 2017 - Phantasy Star Online 2 Original Sound Tracks Vol. 5, a CD, is released in Japan.
- 2019 - Puyo Puyo eSports is released for the PlayStation 4 and Nintendo Switch in South Korea.
- 2021 - Wonder Boy: Asha in Monster World is released on Steam in Japan, North America, Europe, Australia, South Korea, and Taiwan.
- 2023 - Crusader of Centy, Ghouls'n Ghosts, Landstalker: The Treasures of King Nole, and The Revenge of Shinobi are released for the Nintendo Switch Online service for the Nintendo Switch in Japan, North America, Europe, and Australia.