Nicktoons Unite! 1-4 player cooperative play featuring SpongeBob SquarePants, Timmy Turner, Jimmy Neutron or Danny Phantom More than 15 explorable Nicktoons levels, including: Retroville, Dimmsdale, Amity Park and Bikini Bottom 1-4 player cooperative play featuring SpongeBob SquarePants, Timmy Turner, Jimmy Neutron or Danny Phantom More than 15 explorable Nicktoons levels, including: Retroville, Dimmsdale, Amity Park and Bikini Bottom