Unlimited stealth:
Wait until your stealth is reduced to about 5%. Repeatedly tap Special Weapons as fast as possible. If done correctly, your stealth percentage will become negative, and be unlimited.
Invincibility:
Enter X, Square, X, Circle, Square, Square, Square, Circle, X as a password.
View FMV sequences:
Hold R2 and continuously tap Start before the title screen appears.
W.O.P.R. level select:
Select two player W.O.P.R. cooperation mode. Highlight and select level two, then enter Circle, X, Circle, Circle, X, Circle, X, X. Circle as a password. Return to the main menu and select single player W.O.P.R. mode.
Demo level:
Enter Square, X, Triangle , Triangle, X, Circle, Square, Circle, X as a password to play a special NORAD mission in Papua New Guinea.
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