From Sega Retro
April 22 (add)
- 1987 - Space Harrier, a VHS, is released in Japan.
- 1989 - Super League is released for the Sega Mega Drive in Japan.
- 1994 - Mega-CD Ban Lodoss-tou Senki Taiken CD-ROM Tsuki Koushiki Guide Mook, a book, is released alongside Captain Lang for the Sega Mega Drive, GP Rider, Megami Tensei Gaiden: Last Bible, and Puzzle & Action: Tant-R for the Sega Game Gear, as well as Bakuden Unbalance Zone and Eye of the Beholder for the Sega Mega-CD, all in Japan.
- 1999 - Ryouko no Oshaberi Room is released for the Sega Saturn alongside Web Mystery: Yochimu Wo Miru Neko and the ASCII Mission Stick peripheral for the Sega Dreamcast in Japan.
- 2003 - Shinobi the Wide Illustration Archive, a book, is released in Japan.
- 2005 - Spikeout: Battle Street is released for the Xbox in Europe.
- 2006 - GoGo Sentai Boukenger Kazu to Katachi o Oboeyou! is released for the Advanced Pico Beena in Japan.
- 2008 - Phelios is released for the Wii Virtual Console in Japan.
- 2009 - 7th Dragon Original Soundtrack, a CD, is released in Japan.
- 2010 - After Burner Climax is released for the PlayStation 3 in North America, Europe, and Australia while Iron Man 2 is released for iOS in North America and Europe.
- 2011 - Golden Axe II is released for iOS in Japan. Conduit 2 is released for the Wii in Europe and Australia.
- 2015 - Hortensia Saga: Ao no Kishidan is released for Android devices and iOS in Japan.
- 2020 - Idola: Phantasy Star Saga is released for Android devices in Taiwan.
- 2021 - Wonder Boy: Asha in Monster World is released for the Nintendo Switch in Japan. Judgment Remastered is released for the Xbox Series X in Japan, Australia, South Korea, and Taiwan and for the PlayStation 5 in Japan, South Korea, and Taiwan.
- 2022 - Shining Force II, Sonic the Hedgehog Spinball, and Space Harrier II are released for the Nintendo Switch Online service for the Nintendo Switch in Japan, Europe, and Australia.