Activating this trainer:

Press F1 at main menu.

Listen for 'Trainer Activated'.

Press desired hotkey. All hotkeys can be changed on the trainer.

Trainer Options:

Numpad 1: Unlimited Health

Numpad 2: Unlimited Weapon Energy

Numpad 3: No Reload

Numpad 4: Freeze Mission Timer

Numpad 5: Quick Enemy Kills

Numpad 6: Add Credits

Notes:

Numpad 1: Unlimited Health - toggle and most things cannot kill you.

Numpad 2: Unlimited Weapon Energy - toggle on and your weapons that require energy are able to be fired indefinitely.

Numpad 3: No Reload - some weapons have clips. This will allow you nto shoot without reloading.

Numpad 4: Freeze Mission Timer - there is a clock at the bottom timing how long it is taking you to play the missions. Toggle this on to freeze it.

Numpad 5: Quick Enemy Kills - toggle on and most enemies will die with one or two hits.

Numpad 6: Add Credits - each press adds more.