Codes
Codes

While ingame or at the menu type the following codes
Code ........... Effect
[CTRL] + Bali .. All Levels Unlocked
[CTRL] + Wmd ... All Weapons
gwb ............ Enables/Disables cheats
[CTRL] + Terror God Mode
[CTRL] + Jihad . Unlimited Ammo

Unlockables
Level Select

Simply beat the game once on any difficulty to unlock the level select for all difficulties.
Unlockable ..... How to Unlock
Level Select ... Beat game once (any difficulty)