Show all maps:
     At  the Main or Pause menu, hold L1 and press: X, Circle, Square,
Triangle, Triangle, Circle, X.

Show the ending:
     At  the  Main or Pause menu, hold L1 and press: Square, Triangle,
Square, Square, Circle, Circle, X, Triangle.

Revive all healths:
     At the Main or Pause menu, hold L1 and press: Triangle, Triangle,
X, Circle, Circle, X, Square, Square.

Invincible hostages:
     At  the  Main  or  Pause menu, hold L1 and press: Circle, Circle,
Square, Triangle, X, Triangle, X, Circle.

Unlock all doors:
     At  the  Main or Pause menu, hold L1 and press: Triangle, Square,
Square, Triangle, X, Circle, Square, Triangle.

More ammunition:
     At  the  Main  or  Pause menu, hold L1 and press: Square, Square,
Circle, Triangle, X, Triangle, X, Triangle.

No terrorists:
     At  the  Main or Pause menu, hold L1 and press: Triangle, Circle,
Circle, Triangle, Square, X, Triangle, Cirlce.

Upside down terrorists:
     At  the  Main  or  Pause  menu,  hold L1 and press: X, X, Circle,
Square, Circle, Circle, Triangle, Circle.

Supermen:
     At  the  Main  or  Pause  menu,  hold  L1  and  press: X, Square,
Triangle, Triangle, Circle, Square, X, X.

Baseball bat:
     At  the  Main  or  Pause menu, hold L1 and press: Circle, Circle,
Square, X, Triangle, Triangle, Circle, X.

Free-for-all:
     At  the  Main or Pause menu, hold L1 and press: Circle, Triangle,
Triangle, X, Circle, Square, X, Triangle.

All secondary pistols:
     At  the  Main  or  Pause  menu,  hold  L1 and press: X, Triangle,
Square, Circle, Square, X, Triangle, Square.

All main guns:
     At  the Main or Pause menu, hold L1 and press: X, Circle, Circle,
Triangle, Square, X, Square, Circle.

Access all levels:
     At  the Main or Pause menu, hold L1 and press: Circle, X, Circle,
Square, Square, Triangle, X, X.

Player invincibility:
     At  the  Main  or  Pause  menu,  hold  L1  and  press: Square, X,
Triangle, Triangle, X, Square, Circle, Circle.

Carry all items:
     At  the  Main  or  Pause menu, hold L1 and press: Triangle, X, X,
Circle, Square, Circle, X, Triangle.

Show all Players in game:
     Press  pause  and  press X, X, X, Square, Square, Circle, Up, Up,
Down,  Up,  Start. This code will open up different screens on your TV
set,  very  small, to see the enemies and where they are and what they
are  doing.  Also  you  can aim at the screens to have a cheap shot on
them. When the code works perfectly, the screen will turn black and on
again.  Now  with  numbers of screen equal to the number of enemies in
game.