Press BACKSPACE, then activate the following cheats by entering the corresponding codes and pressing ENTER:

CHEAT FUNCTION - CHEAT CODE
God mode - marketing
All weapons - weapons
Enchant weapons - enchant
All spells - spells
Casts scare spell - scare
Cast nightvision spell - nightvision
Cast nuke spell - nuke
Cast freeze spell - freeze
Casts magic arrow spell - magicarrow
Cast open doors spell - opendoors
Cast fly spell - fly
Casts fireball spell - fireball
All potions - potions
Drink strength potion - strength
Drink health potion - health
Drink cure poison potion - curepoison
Drink resist fire potion - resistfire
Adds armor - armor
All keys - keys
Invisibility - invis
Level select - level
No broken weapons - nobreak
Full map - showmap
Add 10,000 experience points - experience
Start Hero time - herotime
IntraCorp contact and company information - intracorp
Suicide - killme
List type, position of actors - list
Receive Pentagram - pentagram
Shows flashing skull - scareme
Receive Midian shield - shield
Receive Ciraen shield - shield2
Show actors and objects on map - showobjects
View death pit sequence - spikeme

Note: Press ESC to resume game play after the "List type, position of actors" code is enabled.