Invincibility:
At the mission Brief screen hold L1 + R2 + Square & press Left. Note: The game will not progress the current mission when the code is enabled. However, it may be useful for trying strategies & options before playing normally.

All Weapons / Unlimited Ammo:
At the weapons select screen hold L1 + L2 + R1 + Circle + Triangle + Square & press Left. Note: The game will not continue the current mission when the code is enabled.

Secret Missions:
Enter PANTALON as a password. The word Cheat will appear on screen. Enter the training menu to access 6 secret missions, including driving a car & controlling a combat droid.

Fast Civilian Traffic:
Enter BENIHILL as a password.

Enable Sirens:
Enter WOOWOO as a password.

Bonus Camera Angle:
Enter SUPACAM as a password. The camera angle will switch to a close up of an enemy vehicle when it is destroyed.

All The Secrets:
Enter ALSECRET as a password.

Secret Stages:
Enter PANTALON as a password.