Plankton steals King Neptune's crown and puts it far away in Shell City. When Mr. Krabs is framed for the act, SpongeBob and Patrick are given 6 days to receive Neptune's crown. On the journey playing as either SpongeBob or Patrick, you go through levels like the Thug Tug and battles foes and bosses like the hit-man Dennis. It is up to you to get Neptune's crown back and then return safely home to Bikini Bottom.