NARC Cheats

Invincibility:
Quickly press R, L, R, L, R, L, A. A message will confirm correct code entry.

Unlimited ammunition:
Enter the inventory screen, then quickly press R, L, R, L, R, L, Down on a weapon. Only the weapon that was highlighted will have unlimited ammunition, and the code must be repeated for each weapon. A message will confirm correct code entry.

All weapons:
Quickly press R, L, R, L, R, L, then click the Right Analog-stick. A message will confirm correct code entry.

All drugs:
Enter the inventory screen. Quickly press R, L, R, L, R, L, then click the Left Analog-stick while not on a weapon. A message will confirm correct code entry.

Mission skip:
Quickly press R, L, R, L, R, L, X. A message will confirm correct code entry.

The Refinery:
Press L + R +B + A repeatedly. A message will confirm correct code entry.

Show drug stashes:
Quickly press R, L, R, L, R, L, Left. A message will confirm correct code entry.

Unlimited crime:
Quickly press R, L, R, L, R, L, Down while playing the game.

Extra mission:
Collect all 25 drug stashes in Asia.

NARC arcade game:
Collect all 25 drug stashes in the USA.

Cops with drugs:
Have a Superbust ready. Bust a cop with it. You will see that he carries drugs, just like you.

Avoiding undercover cops:
Sprint over everybody that you sell to so that they will fall over. If that person was was an undercover cop, he will not be able to pull out his badge and bust you. Also, women are never undercover cops.
User Cheat by elizabeth94

Finding criminals:
When you need a quick boost of badge points while in America, bust anybody with a gray jacket. They are always a criminal.