Sonic the Hedgehog [as Sonic Man]; Mega Man [as M'Egga Man]; Tails; Knuckles the Echidna; Bunnie Rabbot-D'Coolette; Antoine D'Coolette; Amy Rose; Princess Sally Acorn; Rotor; Cream the Rabbit; Vanilla the Rabbit; Big the Cat; Dr. Thomas Light; Roll; Guts Man; Ice Man; Elec Man; Fire Man; Bomb Man; Time Man; Quake Woman; Flash Man; Bubble Man; Hard Man; Shadow Man; Wood Man; Spark Man; Snake Man; Sigma; Dr. Eggman; Dr. Albert Wily
Synopsis
After decimating the defense forces on Moebius and Mega City, the corrupted Sonic and Mega Man are set against each other.