Play Game Gear Sonic The Hedgehog (World) (Proto) Online in your browser

Play Sonic The Hedgehog (World) (Proto) (Game Gear) for free in your browser.

prototype « SEGADriven

Sonic the Hedgehog 25th Anniversary (Regular)

A new Sonic the Hedgehog game quietly released this week for the Commodore 64

Sonic R [Prototype/Beta - Saturn] - Unseen64

One fan's struggle to fix the worst game in Sonic history

Sonic Mega Collection Plus

Play Game Gear Sonic Blast (World) Online in your browser

SEGADriven

Sonic the Hedgehog / Awesome Bosses - TV Tropes

Play Genesis Sonic the Hedgehog 2 (Aug 21, 1992 prototype) Online in your browser