Play Mecha Sonic in Sonic the Hedgehog (Proof of Concept) Online

Mecha Sonic in Sonic the Hedgehog (Proof of Concept) is a Sega Genesis (Mega Drive) release from 0. It's a fan-made project that reimagines the classic Sonic formula with a robotic twist, fitting right in with the platform's legacy of fast-paced action games. The game doesn't have an official developer or publisher, but it captures the look and feel of the 16-bit era without trying to oversell itself.

You control Mecha Sonic, a mechanized version of the hero, as you speed through familiar zones with a new set of abilities. Your main goal is still to defeat Dr. Robotnik, but you do it with mechanical dashes that let you shred through badniks and environmental hazards. The game introduces screen by screen exploration with more aggressive enemy patterns; Robotnik's bosses, for example, now fire lasers and move dynamically instead of waiting to be hit. The pacing is intense, and the difficulty feels noticeably sharper than the original titles. Playing it gives you that satisfying rush of high-speed precision with a fresh layer of mechanical feedback.