Welcome to Nickelodeon's Halloween House! On Halloween night, all of the Nickelodeon characters are out to play in this online strategy game. SpongeBob SquarePants, Patrick Star, the Teenage Mutant Ninja Turtles, Pig, Goat, Banana and Cricket, Harvey Beaks and...Zombies?! Nickelodeon OMG...Zombies, a free strategy game, requires you to answer the door quickly, giving away candy to the trick or treaters and throwing licorice at the zombies. Listen carefully, there may be more than one entrance to the Halloween House.