Cheat Codes God Mode: Enter the code 'UP, RIGHT, A, B, A, DOWN, A, LEFT SHIFT, LEFT SHIFT' on the map screen. All Weapons + 500 Ammo: Enter the code 'A, LEFT, A, B, A, RIGHT, A, C, A' on the map screen. All Items on Map: Enter the code 'LEFT SHIFT, RIGHT SHIFT, RIGHT SHIFT, RIGHT, UP, B, B, LEFT, RIGHT SHIFT' on the map screen. Reveal entire Map: Enter the code 'LEFT SHIFT, RIGHT SHIFT, RIGHT SHIFT, A, LEFT, LEFT, UP, A, C' on the map screen. Level select : Enter the code 'LEFT SHIFT, UP, C, C, RIGHT SHIFT, DOWN, A, LEFT, LEFT' at the map screen. Note: reboot to select any level. Larger Screen : Enter the code 'UP, RIGHT, LEFT SHIFT, UP, RIGHT, RIGHT, RIGHT SHIFT, A, LEFT' at the map. Note: reboot to change the screen size.