 Some zombies, like Little Red, Huntsman and Granny Wolf, can turn into the Big Bad Wolf to easily defeat raids as they become invinsible and much more powerful in the process.The five robot pets (namely Midnight Panther, Royal Bear, Rage Bull, Golden Lion, Fiery Hound) can assemble into Amtron, a powerful bipedal composite robot, which can easily wreak havoc in enemy cafés.Players can even summon the Zombie Yeti (after purchasing as a Tombstone for 75 Toxin) and a maximum of three can be summoned at once.