Cheat mode:
Press [Left Shift] + [F11] during game play, then enter one of the following codes to activate the corresponding cheat function.
Effect
Code Stop time timeless
View dialogs fidel castro
Toggle victory condition display epitaph
Toggle hint display medic
Toggle short briefings whats my destiny
Toggle sound zone display supersonic
New weapon powerman
Exit gane schneider
Win current level clint
Ammunition jackal
All objects displayed show me all
Toggle invisibility hollow man
Press [Alt] to kill enemies with flashlight
zeus Able to sneak behind enemies behind the enemy horse
Glitch: Invincibility (demo version):
On the mission where you are supposed to capture "Dillion", you can become invincible by punching someone, then picking him up. However, you must have your back turned for it to work.