Come to a stop and type I. A status bar will appear where you can type in a message. Enable the cheats by typing ratty. Then use these key combos: ALT+F1 Gives you all the spells
ALT+F2 Gives you more mana
ALT+F6 Complete healing
ALT+F7 Kills all creatures on the level
SHIFT+C Completes the current level
To jump from one level to another, type CARPET at the status bar followed by the level number 1-50.