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.
NumPad1: God Mode
NumPad2: Ammo / Items Dont Decrease
NumPad3: No Reload
NumPad4: Disable Zombie Spawning
Disable Zombie Spawning:
While active zombies dont spawn. Does not remove already spawned zombies. You should only use this option if you already have played / completed the mission. It may block game progress.