Anniversaries/March 15
From Sonic Retro
March 15 (add)
- 2007 — Sonic to Himitsu no Ring is released for the Wii while Sonic Darts is released for EZweb (BREW 2.1) compatible phones though Sega's Sonic Cafe portal, both in Japan.
- 2010 — Sonic & Sega All-Stars Racing is released for the PlayStation 3 and Xbox 360 in Russia.
- 2012 — Sonic the Hedgehog Triple Trouble is released on the Nintendo 3DS Virtual Console in North America.