Arenas Successfully complete all of the challenges in a level to unlock that level's arena.
Disable Arena AI At the "Press Start" screen, press X, Circle(3), X, Square(3), X, Circle, Square, X.
Extra Costumes And Art Successfully complete the arenas by completing all challenges for both time attack and body count to unlock extra costumes and art.
Full Health Power At the "Press Start" screen, press X(4), Square(4), Circle(4). Health power-ups will all be 100%.
Infinite Arrows At the "Press Start" screen, press X, Circle, Square(2), X, Square, Circle(2), X, Square(2), X.
Invincible Rau At the "Press Start" screen, press Square, Circle, X, Square, Circle, Square, X, Circle, X, Square, Circle, X. If you entered the code correctly, Rau will say "Faahu". Enter the "Cheats" section at the Sage, and the last card will be Invincible Rau. Press X to activate the code.
Manual Animation Flip through the pages of the instruction booklet from the back to the front. There is an animation of Rau performing a stealth kill in the lower right corner.
Stronger Opponents At the "Press Start" screen, press X, Circle, Square(2), X, Square, Circle(2), X, Circle(2), X.
Weak Opponents At the "Press Start" screen, press X, Circle(2), Square, X, Square(2), Circle.
Weapon Select Find each Tuku on all levels to unlock an option at the Sage that allows you to use any weapon on any level.
