Fallout 3 cheat codes:
Press [~] during game play to display the console window.
Enter one of the following codes:
help - List all console commands.
removefromallfactions - Remove player from all factions.
addtagskills # - Adds indicated amount of Tag Skill Points.
getXPfornextlevel - Gain one level.
settagskills # - Sets Tag Skill Points.
setpccanusepowerarmor 0 - Power Armor use OFF
setpccanusepowerarmor 1 - Power Armor ON
GetQuestCompleted - Complete current quest.
rewardKarma # - Add indicated amount of Karma Points.
setspecialpoints # - Set Special Points.
addspecialpoints # - Add indicated amount of Special Points.
modpcs # - Add indicated amount of points to your skills.
modpca # - Add indicated amount of points to your stats.
player.setlevel # - Set player level.
player.additem 000000F # - Get indicated amount of caps.
tcl - No clipping mode.
tmm1 - All mapmarkers.
tdt - Toggle debug display.
tlv - Toggle leaves.
tgm - God mode.
tfc - Toggle free camera mode.
tm - Toggle HUD.
player.additem # - Spawn indicated number of items.
player.setAV # - Set ability (sneak, barter, etc.) score.
unlock - Unlock selected lock or terminals.
player.addspell - Spawn indicated aid or perk effect.
EquipItem - Equip existing item in selected target's inventory.
Removeallitems - Remove all weapons and clothes from target.
tai - Toggle AI
tcai - Disable enemy combat AI
setgs fMoveRunMult # - Set run speed; default is 4
disableallmines - Disable all mines
GetAVInfo - Get information on the selected target's value
Player.MatchFaceGeometry # - Match geometry of an NPCs face
SetBarterGold # - Set how much an NPC has to trade with