Eggman has betrayed Sonic and captured Cream for his greatest creation: the Metal Virus! Anyone who gets infected by it will become a contagious and horrifying Zombot! Sonic, Tails, Amy, Knuckles, Mighty and Ray travel to Robotnik’s old headquarters, Eggman Island, and face its deadly traps before they save their friends. But after they saved Cream, destroyed the satellite containing the Metal Virus, which destroyed his island in the process, Eggman roboticized himself and gained the Metal Virus as his own ability, becoming a threat bigger than Neo Metal Sonic: the all-powerful Metal Robotnik!!!! Sonic will need everyone else before Metal Robotnik destroys Mobius forever. And just when it looks like the hedgehog hero’s days are over, an unexpected hero comes to their aid.
