Press the Backspace button and then type:
 
 marketing - God Mode
 invis - Invisibility
 strength - Drink strength potion
 level##  - Transports you to the requested level (##)
 weapons - All weapons
 potions - All potions
 enchant - Enchants all weapons
 experience - 10,000 xp.
 nightvision - Cast night vision
 nuke - Cast nuke
 freeze - Cast freeze
 magicarrow - Cast magic arrow
 fly - Cast fly
 fireball - Cast fireball
 showmap - Full map