Cheat Mode:
Press C during play. Now type marvin to enable the console. Press C again to exit, then press F2 to display the console window. Now enter one of the codes below:

insert gold	Exchange 1000 gold for 100 exp
cheat full	Heal player
cheat god	God mode / Input again to Disable God mode
Kill	Kills enemy in focus
ZFOGZONE	Practically infinite range of vision
Cheat Full	Heal
ZHIGHQUALITYRENDER	Makes the game look nicer
toggle time	Toggle clock display
toggle desktop	Toggle HUD
set time <XX:XX>	Change current time
first person	First-person view
invisible	Invisible enemies
insert gold	1000 gold in bag (subtracts 100 EXP.)
insert itar_pal_skel	Spawn Old Knight's Armor
ITMI_LUTE	Lute
ZFOGZONE	Long Range Vision
EDIT AI	Change AI Behavior
EDIT COMBAT	Change Combat System
EDIT ABILITIES	Change Characters
EDIT SPECIES	Change Species Dependant Constant
EDIT CAMERA	Change Camera Values
goto waypoint <name>	Transport to new location

Waypoint Names:
Use one of the location names below with the goto waypoint code.

Thanks to Revolution readers Squee and Nikola!