Complete the indicated task to unlock the corresponding cheat option. 
Infinite Breath: Complete the game.
Sunglasses: Complete the game.
Textureless Mode: Complete the game.
Infinite 50 Caliber pistol ammo: Complete all four Peru Time Trial levels. 
Show Enemy Health: Complete all four Peru Time Trial levels.
Golden Shotgun: Complete all three Lost Island Time Trial levels. 
Silver Mini SMGs: Complete all three Lost Island Time Trial levels. 
Infinite Mini SMG Ammo: Complete all three Egyptian Time Trial levels.
Infinite Health: Complete all three Egyptian Time Trial levels. 
Infinite Shotgun Ammo: Complete all four Greece Time Trial levels.