Sonic the Hedgehog (Master System) · RetroAchievements

There are 23 achievements worth 395 points. Sonic the Hedgehog for Master System - explore and compete on this classic game at RetroAchievements.

Sonic the Hedgehog, Game Gear

Sonic the Hedgehog (1991), Sonic Wiki Zone

Sonic's Ultimate Genesis Collection Achievements @ Gamertag Nation

Sonic the Hedgehog 4: Episode 2 Achievements Revealed and More

Sonic The Hedgehog (Master System Retrospective) - Arcade Attack

Metropolis Launcher

Sonic the Hedgehog (8-bit), Sega Wiki

Sonic Generations (Platinum Hits) - Xbox 360 : Sega of

Mobile - Sonic the Hedgehog 2 - Achievements - The Spriters Resource