Sonic the Hedgehog

Arcade, PlayStation 3, Wii, Sega Mega Drive/Genesis, PC (Microsoft Windows), iOS, Xbox 360

Platform - 1991

Sonic the Hedgehog is a 2D side-scrolling platformer developed by Sonic Team and published by Sega for the Genesis/Mega Drive. Players control Sonic the Hedgehog, who can run at near supersonic speeds and sets out on a quest to defeat Dr. Robotnik, a scientist who has imprisoned animals in robots and seeks the powerful Chaos Emeralds.

Checklist for 100%ing Sonic the Hedgehog, made for completionists. Track your progress toward a full clear, spoiler-free by default, great for first playthroughs.