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: Gold

Options:

Numpad 1: Health

Numpad 2: Gold

Numpad 3: Lives

Numpad 4: Movement Speed

Numpad 5: Damage

Numpad 6: Mana

Notes:

Numpad 1: Health - toggle on for unlimited health

Numpad 2: Gold - each press adds more

Numpad 3: Lives - each press adds more

Numpad 4: Movement Speed - toggle on for super speed

Numpad 5: Damage - toggle on for massive spell and melee damage

Numpad 6: Mana - toggle on for unlimited mana

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.