SpongeBob SquarePants: Underpants Slam is an action puzzle game based on SpongeBob SquarePants, released on Xbox Live Arcade on December 26, 2007. The game is THQ's first game designed for download, alongside Screwjumper!, another action game for the Xbox Live Arcade service. It is no longer available to download. This is technically not the first SpongeBob game to be released on Xbox 360 since it was made for the Xbox Live Arcade.
A storm current has disrupted a shipment of the undergarments of Lord of the Sea Neptune's underwear, spreading them across the ocean floor. Neptune has called upon his subjects to collect the lost undergarments, with a reward offered to the one who collects the most underwear.