Simpsons Wrestling cheats and cheat codes for Playstation

Cheat mode
Press Circle, Up, Up, Down, Down, Left, Right, Left, Right at the 
"Press Start" screen to get access to the "Bonus Match Up" option at 
the main menu. If the code is accepted, the "Bonus Match Up" message 
will appear at the top of the screen. You can play as any character 
and select any arena by using this option. 

Unlock the Big Ape arena:
Press Circle, R2, R1, Circle, R2, R1 at the "Press Start" screen. 
A sound will confirm the correct code entry. 

Big arm mode
Press Circle, L1, Circle, R1, Circle, L2, Circle at the "Press Start" screen 
or after pausing the game. A sound will confirm the correct code entry.

Show game completion date
Press Square, Circle, L1, R1 at the "Press Start" screen or after pausing 
the game. A sound will confirm the correct code entry.

Funny credits
Press Circle, L1, Circle, L1, Circle, R1, Circle, R1 at the "Press Start" 
screen or after pausing the game. A sound will confirm the correct code entry. 
Then, choose the "Credits" option.

Unlock cheat mode:
Finish the new challenger, defender, and champion circuits.

Unlock Professor Frink
Play through the champion circuit and beat Professor Frink, then save 
the game, then go to the wrestler selection screen to select him.

Unlock Moe
Play through the defender circuit and beat Moe, then save the 
game, then go to the wrestler selection screen to select him.

Unlock Bumblebee Man
Play through the new challenger circuit and beat Bumblebee Man, then save 
the game, then go to the wrestler selection screen to select him.

Unlock Ned Flanders
Play through the champion circuit and beat Ned Flanders, then save 
the game, then go to the wrestler selection screen to select him.