Mecha Sonic in Sonic the Hedgehog (Proof of Concept) Game

Ever wondered what would happen if Sonic got a mechanical upgrade? Mecha Sonic in Sonic the Hedgehog (Proof of Concept) gives you a taste of that high-speed, robotic mayhem on the SEGA Genesis! This fan-made gem reimagines everyone’s favorite blue blur as a sleek, cybernetic powerhouse, blending classic Sonic platforming with a fresh, metallic twist. Zoom through familiar zones with new abilities, face off against revamped bosses, and experience the nostalgia of 16-bit glory—but with a futuristic edge that makes it feel like a lost Sonic prototype.

Though it’s not an official release, this proof of concept is a love letter to Sonic fans who crave something different yet familiar. The controls are tight, the pixel art pops, and the adrenaline rush is pure Genesis-era magic. If you’ve ever dreamed of a Sonic game where rings meet robotics, this little demo is your golden ticket. Time to rev up those engines—metal style!