Sonic Advance 3

Prior to the game's events, Doctor Eggman builds a robotic assistant named Gemerl, using parts from the robot Emerl who was destroyed in Sonic Battle. Eggman attempts an experiment using the Chaos Emeralds to perform the Chaos Control technique, but it goes awry and tears the world apart. This action separates Sonic and Tails from Amy, Knuckles, and Cream, all of whom Eggman finds and captures, intending to create a segment of his impending empire on each chunk of the planet. Sonic and Tails tra...