Welcome to the cheats for Project: Overkill for the PlayStation. Below are the cheats.
Invincibility
Pause the game and highlight the "Sound Volume" selection. Then, hold Right and press Circle, Square, Triangle. Hold Left and press Circle, Square, and X. If you entered the code correctly, the word "Cheater" will appear at the top of the screen.
Refill health
Pause the game and highlight the "Sound Volume" selection. Then, hold Square and press Circle, X, Triangle. Release Square, hold Circle, and press Square, X, Triangle. Release Circle. If you entered the code correctly, the word "Cheater" will appear at the top of the screen.
Refill ammunition
Pause the game and highlight the "Sound Volume" selection. Then, hold Circle and press Square. Release Circle, hold Triangle, and press X. Release Triangle, hold Circle, and press X. Release Circle, hold X, press Square. Release X. If you entered the code correctly, the word "Cheater" will appear at the top of the screen.
Shield
Pause the game and highlight the "Sound Volume" selection. Then, hold Right, and press Circle, Square, Triangle. Release Right, hold Left, and press Square, Circle, X. Now release Left and resume the game to have a shield. If you entered the code correctly, the word "Cheater" will appear at the top of the screen.
Turbo
Pause the game and highlight the "Sound Volume" selection. Then, hold Up and press Triangle(3). Release Up, hold Down and press X, Square, Circle. Release Down. If you entered the code correctly, the word "Cheater" will appear at the top of the screen.
Predator
Pause the game and highlight the "Sound Volume" selection. Then, hold Triangle and press Square, X(2) Square. Release Triangle, hold X, and press Triangle(2). If you entered the code correctly, the word "Cheater" will appear at the top of the screen.
Cloaking device
Pause the game and highlight the "Sound Volume" selection. Then, hold Triangle and press Square, Circle(2), Square. Release Triangle, hold X and press Triangle(2). Release X. If you entered the code correctly, the word "Cheater" will appear at the top of the screen.
End current level
Pause the game and highlight the "Sound Volume" selection. Then, hold X, Up, Down, Up. Hold Square and press Circle. Release Square, hold X, and press Triangle. Release X. If you entered the code correctly, the word "Cheater" will appear at the top of the screen.
Body slide
Pause the game and highlight the "Sound Volume" selection. Then, press Up, Down(2), Up. Hold Square and press Circle. Press Triangle, X (or X, Triangle). If you entered the code correctly, the word "Cheater" will appear at the top of the screen.
Test mode
Pause the game and highlight the "Sound Volume" selection. Then, press Left, Right(2), Left. Hold X and press Triangle. Hold Triangle and press X. If you entered the code correctly, the word "Cheater" will appear at the top of the screen.
Secret level
In the Throg Breeding Facility, there is a secret entrance to the Lost city. It is located in the lower right corner of the map. Break through three or four secret doors to find the exit. The Lost City is full of insect-monster larvae and the Throg-Viscerian genetic brain mutations.
