Spec Ops - Stealth Patrol - Platform: Playstation 1

Invulnerability
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Enter ROCKSTAR as your name. Pause, then enable 
the Invulnerability option. 

Rocket Boots
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Pause and then hold R1, R2, L1, L2. Then press 
Triangle, Square, Square, Triangle for boots. 

Full Health
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Pause the game, then hold L1 + L2 + R1 + R2 and 
press Triangle, Triangle, X, X. 

Full Ammo
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Pause the game, then hold L1 + L2 + R1 + R2 and 
press X, X, Triangle, Triangle. 

All Crates Powered Up
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Pause the game, then hold L1 + L2 + R1 + R2 and 
press Circle, X, X, Circle.