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.

Promo Options
NumPad7: Super Speed

Trainer Options
# Player 
     NumPad1: Infinite Health
     NumPad2: Infinite Armor
     NumPad3: Unlimited Ammo
     NumPad4: Damage Multiplier
     NumPad5: No Lava Damage
     NumPad6: Super Running Speed

# Misc 
     NumPad7: Super Speed