Cheat mode:
Hold [Shift] while starting the game. Select the "Developer" tab and check "Developer Mode" to continue loading the game. To start the game, hold [Ctrl] and click on "New Game" to set a difficulty setting and location. Then, press to talk during game play, enter one of the following codes, and press [Enter] to activate the corresponding cheat function. The phrase "The gods favor you" will be spoken to confirm correct code entry.

Result - Code:

God mode in last stage - iamgoddess
God mode - iamgod
Kill nearby enemies - giants
Land when flight mode is active - drop
List weapon names in debug mode - all weapons
Obtain indicated item - gimme [item name]
Obtain indicated weapon - give [weapon name]
Remove fog - foghack
Set game speed; may crash game - speed (1-50)
Switch view to nearest enemy - witch
Toggle flight mode - floy
Unlock doors - opensezme
Change speed; may crash game - fov (6-93)
Disable debug mode - debug off
Enable debug mode - debug on
Full health - smoghead

Item list:
Enter one of the following item names with the gimme code. The items/weapons can be summoned for Arokh or Rynn.

health elixir
potion of life
great sword
battle axe
battle hammer
altir's mace
sword of flame
ice hammer
sword of ice
lightning axe
long sword
mace
mithril great sword
mithril axe
boomerang
fire boomerang
mithril hammer
mithril long sword
mithril mace
magic scimitar
magic short sword
scimitar
short sword
speed scimitarv mourn bringer
potion of invisibility
potion of invulnerability
flaming sword
long bow
arrows
lightning crystal
fire crystal
ice crystal
leather
plate mail
banded mail
dragon armor
rift crystal
runeblade
bell hammer of alwarren
rune cage key
scale mail
chain mail
tunnel entrance key
crusher room key
house key
studded leather
storage rune
elemental amulet
flaming arrows
poison arrows
explosive arrows
energy bow
energy arrow quiver
energy bow key
goblin access key
mithril throwing axe
ice arrows
mithril throwing hammer
jail key
dark scimitar
magic arrows
potion of invulnerability bronze
potion of invulnerability gold
potion of invulnerability dark
heavy bow
speed bow
heron's crystal
tuiri's soul crystal
dragon armor rune
lava rune
succubus mirror
mystic key
atimar's blade
dead man's key
rune of stone
grungle's hammer