Goosebumps: Attack of the Mutant is a game based on the R.L. Stine kids' horror novel of the same name. The game has you playing as a comic book addicted kid who steps off a bus into the world of his favorite comic book. A large mansion is on the horizon, but the owner, the Masked Mutant, isn't friendly at all. You must team up with a variety of superheroes to kill the Mutant and escape from the comic book world.