CheatCodes.com has all the official Army Men 3D PSX cheats to unlock everything. If you know of any that we don't have, please let us know.
All published and official codes as of Monday June 17, 2013 for Army Men 3D are shown below.
Press sqaure circle L1 R1 L1+L2+R1+R2 @ the same time.
During a mission, press start and press Square, Circle, R1, L1, R1+R2 until it says power up.
At the Main menu, press Square, Circle, R1, L1, L1 + R1.
Start a mission, pause the game and press Square, Circle, R1, L1, R1+R2.
Pause the game and quickly press Square, Circle, L1, L1+L2. Then Sarge will be invincible during the level.
While playing a game, hold Start + Circle + Square. The game will pause. Press Start to resume the game in the first person view.
To run faster hold Start, Square,and Circle during the game. The game will be paused. Resume the game and you will be able to fun faster.
First go two player mode, and select the level titled, "Clean Up This Mess". When you get into actual gameplay, go into the closet, and on the right side of the wall between the two books, there's a key. It is used to unlock the door on the map.
Hold Square + Triangle to chase your opponent quicker.
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