Activating this trainer

If not state otherwise below, press F1 at main menu.
Listen for 'Trainer Activated'.
Press desired hotkey. All hotkeys can be changed on the trainer.

Trainer Options

# Player 
     NumPad1: Invincible
     NumPad2: Invisible Player
     NumPad3: No Mounted Gun Damage
     NumPad4: Unlimited Sprint
     NumPad5: Super Speed
     NumPad6: Super Jump

# Weapons 
     NumPad7: No Recoil
     NumPad8: No Reload
     NumPad9: Unlimited Laser

# Gameplay 
     Multiply: Unlock Chapters
     Add: No HUD
     Subtract: Game Speed