Using this Trainer:

Launch the trainer first, then launch the Game and then Press F1 at the Main Menu.

Listen for "Activated".

Press desired option key

 

Options in Promo:

Numpad 2: Full Ammo

 

Options:

Numpad 1: Unlimited Health

Numpad 2: Full Ammo

Numpad 3: Add Cubes

Numpad 4: Easy Kills

Numpad 5: Unlimited Item Use

 

Notes:

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

Numpad 2: Full Ammo - toggle on and most weapons remain fully charged to fire again.

Numpad 3: Add Cubes - each press adds more cubes.

Numpad 4: Easy Kills - toggle on and many enemies will die quickly.

Numpad 5: Unlimited Item Use - toggle on and your hotbar items when used will not deplete.

 

Temporarily Disable Hotkeys:

To temporarily disable the Hotkeys, press CTRL-H after trainer is activated.  You can use CTRL-H to re-activate the Hotkeys as well.

 

Creating Custom Hotkeys:

You can click on the actual option in the Trainer application itself to modify the Hotkey or the value used for that option.  The trainer will save your hotkeys for you.  To delete your Custom Hotkeys for this trainer, press the Debug Tab and then press CTRL-K and the keys will be deleted.