Hit CTRL-SHIFT-Z to bring up a text window and enter one of the following:

"Some call me Tim" - Kills all enemies (in combat mode)

"man does my leg hurt" - heals all injuries, everyone in party

"Ask for a glass of water" - Teleports the party to the starting point of the chapter

"Gotta Have Magic" - Gives Aren all spells

"Supermarket for the rich" - Lot o' cool stuff

"Why am I so dull" - Boosts skills