Sonic the Hedgehog (1991) - MobyGames

Sonic the Hedgehog is the first of many games starring Sega's premier hedgehog, Sonic. It's a side-scrolling platform game with a difference: speed. Sonic rushes through levels with incredible speed, allowing him to traverse loops and jumps with ease.

Sonic the Hedgehog (1991) - MobyGames

Sonic the Hedgehog (1991) - MobyGames

Sonic the Hedgehog - Sega Genesis - Complete – Retro Raven Games

Sonic CD (2012) - PCGamingWiki PCGW - bugs, fixes, crashes, mods

The Master System needs to be SEGA's next mini-console, not the

Sonic the Hedgehog cover or packaging material - MobyGames

Sonic the Hedgehog Chaos (1993) - MobyGames

Screenshot of Sonic the Hedgehog (Windows, 1991) - MobyGames

Screenshot of Sonic the Hedgehog (Genesis, 1991) - MobyGames