Ultima Underworld: The Stygian Abyss Cheats

Use a fireball spell on a potion or scroll. Collect
the remnants of the destroyed item and use it. The remnants will
have the same effect as the original potion or scroll and may
be used an unlimited amount of time.
Strategy

Enter one of the following codes during game play to activate the corresponding cheat function.

Effect - Code

Unlimited strength - [F10]G
More light - [F10]I
Level skip - [F10]W
Stop time and monsters - [F10]Z