Agile Warrior

Invincibility :
Press Left, Square, Square, Square, Square, Up, Triangle, Triangle,
Triangle, Right, Circle, Down, X, Triangle, Triangle, Triangle, Square.

Infinite Weapons :
Press Left, Square, Square, Square, Square, Up, Triangle, Triangle,
Triangle, Right, Circle, Down, X, R1, R1, R1, R1, L1, L1, L1, L1,
R2, R2, R2, R2, L2, L2, L2, L2.

Fuel and Armor Refill :
Press Left, Square, Square, Square, Square, Up, Triangle, Triangle,
Triangle, Right, Circle, Down, X, Triangle, Triangle, Triangle, Circle.

Enable Minimum Speed :
Pause the gameplay, press Left, Square, Square, Square, Square, Up,
Triangle, Triangle, Triangle, Right, Circle, Down, X, Triangle, Triangle,
Triangle, X. Your minimum speed is now at 0, you can hover by pressing L1.

Automatic Finish :
Pause the gameplay, press Left, Square, Square, Square, Square, Up,
Triangle, Triangle, Triangle, Right, Circle, Down, X, Triangle, Triangle,
Triangle, Down, Down, Down.

Extra Camera Angles :
Pause the gameplay, press Left, Square, Square, Square, Square, Up,
Triangle, Triangle, Triangle, Right, Circle, Down, X, Up, Down, Left,
Right. You get a new angle every time you enter this code.

Ending movie Sequence :
Pause the gameplay, press Left, Square, Square, Square, Square, Up,
Triangle, Triangle, Triangle, Right, Circle, Down, X, Down, X, Down, X,
Down, X, Down, X, Down, X.

Hover Mode:
Press start during the game and press left, square button 4 times, up,
triangle, triangle, triangle, right, circle, down, X, triangle, triangle,
triangle, X.

B1 Airstrike:
Press start during games and press left, square, square, square, square,
up, triangle, triangle, triangle, right, circle, down, X, X, X, X, X, X.

Various Stages :
At the password screen, enter these to access various stages

5433 - Stage 1 Clear (Pamir Knot and Super Jihad available)
0007 - Stage 2 Clear (Gas Mask Blue and Closing Time available)
1213 - Stage 3 Clear (Dia de los Muertos available)
0224 - Stage 4 Clear (Trident Strike available)
7154 - Stage 5 Clear (Area 51 available)