Unlock all doors 
Pause the game, then hold L1 and press Triangle, 
Square(2), Triangle, X, Circle, Square, Triangle 
(this may also be done at the main menu).

All maps 
Pause the game, then hold L1 and press X, Circle,
Square, Triangle(2), Circle, X. 
(this may also be done at the main menu).

Full health for entire team 
Pause the game, then hold L1 and press Triangle(2),
X, Circle(2), X, Square(2) 
(this may also be done at the main menu). 

Hostages can not be killed 
Pause the game, then hold L1 and press Circle(2), 
Square, Triangle, X, Triangle, X, Circle
(this may also be done at the main menu).

Extra ammunition 
Pause the game, then hold L1 and press Square(2),
Circle, Triangle, X, Triangle, X, Triangle
(this may also be done at the main menu).

No terrorists 
Pause the game, then hold L1 and press Triangle, 
Circle(2), Triangle, Square, X, Triangle, Circle
(this may also be done at the main menu).

Supermen mode 
Pause the game, then hold L1 and press X, Square,
Triangle(2), Circle, Square, X(2)
(this may also be done at the main menu).

Free-for-all mode 
Pause the game, then hold L1 and press Circle, 
Triangle(2), X, Circle, Square, X, Triangle. 
(this may also be done at the main menu).

View ending sequence 
Pause the game, then hold L1 and press Square, Triangle,
Square(2), Circle(2), X, Triangle. 
(this may also be done at the main menu).