Cheat Codes
There are currently no working cheat codes for the SpongeBob SquarePants: Underpants Slam! video game. If you know of one we've missed please let us know and we will add it to this page.
Unlockable Characters
Plankton
Successfully complete all nine levels to unlock Plankton as a playable character.
Achievements
The following achievements can be unlocked in SpongeBob SquarePants: Underpants Slam! on the Xbox 360 video game console. Achievements are unlocked by performing indicated tasks from the list below. Once you have completed the task you will unlock the achievement and any gamerscore points associated with it.
Clumsy! (10 points)
How to unlock: Fall out of the level 50 times.
Fast Track (30 points)
How to unlock: Complete all Time Trial levels.
It (15 points)
How to unlock: Be "it" for 50 seconds.
Jellyfisher (15 points)
How to unlock: Defeat 100 Jellyfish.
Masterful (30 points)
How to unlock: Complete Quest mode with all five characters.
No Pants! (10 points)
How to unlock: No pants in a multi-player game.
Party Animal (15 points)
How to unlock: Win a multi-player game.
Prospector (30 points)
How to unlock: Collect all the Gold Medals.
Quest Complete (5 points)
How to unlock: Complete a Quest Mode game.
SpongeBob ThousandPants (20 points)
How to unlock: Collect 1000 underpants.
Superhero! (15 points)
How to unlock: Use Super Moves 25 times.
Wide Awake! (5 points)
How to unlock: Break out of a Stun.
More Cheats and Hints
There may be additional cheats, codes, hints and tips for this game listed in our forums or our cheat code index.
Have another cheat code, hint, or tip for this game? Let us know and we will add it to this page. You can submit a cheat directly to us, or post in the Video Game Cheats forum.
