Anniversaries/June 23
From Sonic Retro
June 23 (add)
- 2001 — Sonic Adventure 2 is released for the Sega Dreamcast in Japan and Europe.
- 2009 — Sonic Putter is released for i-mode 90x devices in Japan.
- 2011 — Sonic & Sega All-Stars Racing is released for iOS in North America, Europe and Australia.
- 2016 — Mario & Sonic at the Rio 2016 Olympic Games is released for the Wii U in Japan, and for the Nintendo 3DS in Korea.