We have 2 cheats and tips on PlayStation. If you have any cheats or tips for Project Overkill please send them in here. You can also ask your question on our Project Overkill Questions & Answers page.
End Current Level:
Press X, Up, Down and Up. Then hold Square and press Circle and then hold X and press Triangle.
Unlock Invincibility:
During gameplay pause the game and highlight 'Sound Volume'. Hold Right and press Circle, Square, Triangle. Then hold Left and press Circle, Square, X.
Life Refill: Square (Hold), O, X, Triangle, (Release Square), O (Hold), Square, X,Triangle, (Release Square)
Cloak:Triangle (Hold), Square, O, O, Square, (Release Triangle), X (Hold),Triangle, Triangle, (Release X).Speed Up:Up (Hold), Triangle, Triangle, Triangle, (Release Up), Down (Hold),X, Square, O, (Release Down).
Maximum Ammo:O (Hold), Square, Triangle (Hold), X, O (Hold), X, X (Hold), Triangle.
End Level:X, Up, Down, Up, Square (Hold), Triangle, Triangle (Hold), X.
Test Mode:Left, Right, Right, Left, X (Hold), Triangle, Triangle (Hold), X.: