Spec Ops: Stealth Patrol

Cheat codes:
(pause the game, hold L1 + L2 + R1 + R2 and press one of the following codes)
Invincibility - X, Triangle, Square, Circle.
Infinite ammo - Circle, Square, Triangle, X.
Full ammo     - X(x2), Triangle(x2).
Level skip    - Circle, Square, X(x2).
Level select  - Triangle, Circle, Square(x2).
First special weapon - Triangle, X(x3).
Second special weapon - X(x3), Triangle.
Full health   - Triangle(x2), X(x2).
Rocket boots  - Triangle, Square(x2), Triangle.
Animals don't attack - Circle, Square(x2), Circle.
Big feet      - Triangle,Square(x2), X.
Big guns      - Triangle, Circle(x2), Triangle.
Jet pack      - Square(x2), Triangle(x2).
Heavy weapon  - Triangle, X, Square(x2).
All crates powered-up - Circle, X(x2), Circle.
Instant shape build - Square(x2), Circle(x2).
Indestructible base - X, Triangle(x2), X.
Easy gun build - Circle(x2), X(x2).
Easy buddy build - Circle(x2), X, Circle.

 