Cheat mode:
Select the "Cheats" option at the "Extras", then enter one the following codes. Then, press Start and that cheat option will now appear on the "Cheats" menu.

All levels:
Press L2, R2, L2, R2, L1, R1 at the "Cheats" menu.

Art gallery:
Press Circle, X, L2, R2, Circle, X at the "Cheats" menu.

Movie gallery:
Press L1(2), Circle, X, L1, R1 at the "Cheats" menu.

Unlimited ammunition:
Press R2, L2, Circle, L2, X, R2 at the "Cheats" menu. Alternately, finish the game with the "Psychopath" rank.

Adrenaline Rush (unlimited adrenaline):
Press X, L1, Circle, X, L1, X at the "Cheats" menu.

Battering Ram (instant crash):
Press L2(2), X(2), Circle, R2 at the "Cheats" menu. You can also finish the game with the "Professional" rank.

Bulletproof (unlimited health):
Press L1, R1, Circle(2), R1, Circle at the "Cheats" menu. Alternately, successfully complete the game with the "Professional" rank.

Magic Bullet (one shot kills):
Press R1, L2, Circle, X, R1, X at the "Cheats" menu.

Time Out (Unlimited timer):
Press R1(2), R2, Circle, X, L2 at the "Cheats" menu. Alternately, successfully complete the game with the "Career Criminal" rank.