Invincibility

Press X + Square + L1 + R1 repeatedly until a message appears stating that invincibility is enabled.

Unlimited ammunition

Enter the inventory screen, then press L1 + R1 + Down repeatedly on a weapon. Only the weapon that was highlighted will have unlimited ammunition, and the code must be repeated for each weapon.

All weapons

Press L1 + R1 + L3 + R3 repeatedly.

All drugs

Enter the inventory screen, then press L1 + R1 + L2 + R2 repeatedly, while not on a weapon.

The Refinery

Press L1 + R1 +Circle + X repeatedly.

Show drug stashes

Press L1 + R1 + Left repeatedly.

Extra mission

Collect all 25 drug stashes in Asia.

NARC arcade game

Collect all 25 drug stashes in the USA.