Use the following cheats for the full game version. You have to start the game with the parameter /CHEATS=1 and press "~" to open the cheats console. There you can enter one of the following codes to enable the corresponding effect:
sys cheats 963: activate cheat mode
cheat lord: unlock god mode
cheat sucide: commit suicide
cheat teleport: teleport
cheat rare: unlock rare items
cheat damage: get damaged