Dr. Robotnik is back with a vengeance. Having found a lead on the location of the legendary Master Emerald, he manipulates an Echidna named Knuckles and builds a robotic version of Sonic he calls Metal Sonic. Luckily, Sonic is also sporting a new ally in the pink, hammer wielding hedgehog named Amy Rose. Now, it’s a race against time to capture the Master Emerald before Robotnik can!
