Here are some cheats and tips for the game ZZT.
Cheat mode:
Hold [Shift] and press [?] during game play. Enter one of the following
codes in the black box to activate the corresponding cheat function.
Effect Code
Gems gems
All keys keys
Clear surrounding four squares zap
Ammunition ammo
Debug mode on +debug
Debug mode off -debug
Full health health
Gain torches torches
Darken room dark
Lighten room -dark