Cheat codes:

Infinite stamina:
     At the main menu, press R1, R1, Triangle, R1, R1, Triangle.

Big women wrestlers:
     At the main menu, press R1, R1, Triangle, Triangle, L1, L1.

Indestructible weapons:
     At the main menu, press L1, R1, L1, R1, Square, Square.

Low gravity:
     At the main menu, press R1, L1, L1, L1, Square, Triangle.

Rude grunts:
     At the main menu, press R1, L1, R1, L1, Triangle, Triangle.

Tiny wrestlers :
     At the main menu, press R1, R1, L1, L1, Square, Square.