Enter the following codes at the main title screen (that displays the "Press Start" text that only appears when the game first loads) to activate the corresponding cheat function.
Press Triangle, X, X, X, Square, Circle. Warriors will continue to fight when their limbs are severed or they are decapitated. Players must win by cutting off both of their opponent's legs.
Press L2, Square, X, Square, X, R2. In this mode, every attack that lands on either warrior will sever a limb.
Sudden Death mode:
Press Square, R1, Up, Down, L1, X. In this mode, each warrior starts with no health. One hit finishes the match.
God mode (player one):
Press Up, X, Square, Circle, Triangle, Down.
God mode (player two):
Press Down, Circle, Square, X, Triangle, Up