Press Tab to open chat window, then type any of the following codes:

Cheat Code - Granted Wish

addall - Get All Weapons and Spells
set aeons.patrick health 999 - Add 999 to Health
assall - Create Donkey
infiniteMana 1 - Unlimited Mana on
infiniteMana 0 - Unlimited Mana off
becomeLight 1 - Gives Light
becomeLight 0 - Gives Light off
showfps - Show Framerate