If you havn't yet played 'The Crystals of Lum' ii can be found here:

http://www.yoyogames.com/games/show/42191

At anytime throughout the game, pressing Ctrl will open up a cheat menu. Below are some of the cheats you can use but make sure you type in capitals.

BANANA - Kills the enemy you are battling
SUGAR-HIGH - Sets your health to 500
SEX-CHANGE-MALE - Become the King of Lum
SEX-CHANGE-FEMALE - Become the Queen of Lum
OAK - Teleport to the forest
SOFT-SERVE - Teleport to the snowy mountains
PLATE-TECTONICS - Teleport to the volcano
VERY-BUSY - Save the game
DISGUISE - Disguise yourself as an Enemy (does not actually deter other enemies)
AMNESIA - Changes your name
FLOOD - Makes it start raining

Enjoy!