Guides
   
    
        
    Xbox 360 : SpongeBob SquarePants : Underpants Slam Cheats
    
        Below are the cheats, hints, and tips that Game Gas knows about for SpongeBob SquarePants : Underpants Slam. On the right are
        websites that may have additional cheat codes, hints, or tips for SpongeBob SquarePants : Underpants Slam. 
        
        
                       
            Unlock Plankton
Beat all 9 Quest levels on any difficulty to unlock Plankton as a playable character.
Achievements
Complete the following achievements to unlock Xbox Live Gamerscore points.
| Unlockable: | How to Unlock: | 
| Clumsy! (10 pts) | Fall out of the level 50 times. | 
 | Fast Track (30 pts) | Complete all Time Trial levels. | 
 | It (15 pts) | Be "it" for 50 seconds. | 
 | Jellyfisher (15 pts) | Defeat 100 Jellyfish. | 
 | Masterful (30 pts) | Complete Quest mode with all five characters. | 
 | No Pants! (10 pts) | No pants in a multi-player game. | 
 | Party Animal (15 pts) | Win a multi-player game. | 
 | Prospector (30 pts) | Collect all the Gold Medals. | 
 | Quest Complete (5 pts) | Complete a Quest Mode game. | 
 | SpongeBob ThousandPants (20 pts) | Collect 1000 underpants. | 
 | Superhero! (15 pts) | Use Super Moves 25 times. | 
 | Wide Awake! (5 pts) | Break out of a Stun. |