Long ago, Mickey Mouse, Simba, Nala, Timon, Pumbaa, and his friends made a terrible mistake when they created the Shadow Blot and ruined a lost world. In present day 2011, Simba and his friends and Mickey Mouse are sucked into Disney's lost world, Wasteland, where forgotten ideas are real. In this world, they meet Gremlin Gus, the gremlins, and a forgotten Disney character named Oswald the Lucky Rabbit, the half-brother of Mickey. The land looks like real world Disneyland. Together, the friends must travel across the Wasteland and decide the fate of Wasteland and its residents.