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:

NumPad1: Unlimited Money

NumPad2: Instant Boulder

NumPad3: No Boulder For Enemy

NumPad4: No Unit Class Cap

NumPad5: Infinite Boulder Health

NumPad6: One Hit Kills Enemy's Boulder

Notes:

At EACH match you must press ESC first to pause the game. Wait at least 3 seconds then unpause, otherwise the options will not work.

No Boulder For Enemy: Does the opposite of instant boulder. The enemy's boulder will not spawn.

No Unit Class Cap: You can build unlimited units of a unit class.