Anniversaries/May 17
From Sonic Retro
May 17 (add)
- 1993 — Date associated with the 1993-05-17 Sonic Chaos prototype for the Sega Game Gear.
- 1994 — The build date of the "0517" Sonic the Hedgehog 3C prototype.
- 2006 — Amy no Page One is released for Vodafone Live! (256KB) compatible phones through Sega's Sonic Cafe portal in Japan.
- 2012 — Sonic the Hedgehog 4: Episode II is released for Android tablets in Japan and worldwide for iOS.
- 2013 — Sonic the Hedgehog is released for iOS and Android in Japan.