Play Metal Sonic 3 & Knuckles (Beta) Online – SEGA Genesis Game

Game Overview

"Metal Sonic 3 & Knuckles (Beta)" is the kind of Genesis-era gem that feels like a thrilling "what if?" scenario for Sonic fans. Imagine the blazing speed and loop-de-loops of Sonic 3, but with Metal Sonic—the slick, sinister doppelgänger—stealing the spotlight as a playable character. This beta version (a rare peek into SEGA’s vault) amps up the nostalgia with unfinished but fascinating levels, alternate mechanics, and that classic 16-bit charm.

Whether you’re dodging Knuckles’ ambushes or tearing through hidden test zones, this prototype offers a fresh twist on a beloved formula. It’s like uncovering a lost chapter of Sonic history—rough around the edges, but packed with enough retro adrenaline to make any Genesis fan hit start with a grin. Ready to race against time (and glitches)? Let’s roll!