In the overworld map (not during battles), press the Console key (Backspace by default) and type one of the commands as listed. Then press Enter. If the code includes (firstname), replace the whole parenthesis with the first name of the character you want the code to affect. If the code contains (ItemName), replace the parenthesis with the name of the item as shown in your inventory, capitalised exactly the same way, but with NO SPACES. If the code contains a #, replace it with whatever number you want.

Code	Effect
devmode	Enable teleportation with the T key.
giveequipment #	Give yourself more equipment.
giveherbs #	Give yourself more herbs.
giveitem (ItemName) #	Give yourself a certain inventory item (# is optional).
givemeat #	Give yourself more meat.
givemedicine #	Give yourself more medicine.
givemetal #	Give yourself more metal.
giveoil #	Give yourself more oil.
giverations #	Give yourself more rations.
giverope #	Give yourself more rope.
givevaluables #	Give yourself more valuables.
givewood #	Give yourself more wood.
givexp #	Give yourself more experience.
illuminati	Display all plot variables.
kill (firstname)	Kill a certain follower.
remove (firstname)	Remove a certain follower from your party.
return (firstname)	Return an absent follower to your party.
setmorale (firstname) #	Change a certain character's morale.
smite (firstname)	Injure a certain character.
thespanishinquisition	Injure all followers.
tordenskjold	Restore all injured followers to health.
vontrier	Release camera from the player character.