Press the tilde ~ key to enter these codes into a console for the noted benefit.

addspecialpoints # - Add # special points
advlevel - Advance one level
ttm1 - All mapmarkers
set timescale to # - Alters the speed in which the in-game time passes
Kill - Automatically kill the target you selected in Console Mode
player.modScale - Become a giant! 1 = giant ; -1 =normal
ShowNameMenu - Change your name for free, no court fees!
player.setlevel # - Changes level to #, doesn't affect anything else
modpca (s.p.e.c.i.a.l) # - Changes the chosen stat by adding the given number. e.g. lmodpca luck 3 would take your 5 luck to 8
GetQuestComplete/GetQC - Complete all quest items
GetQuestCompleted - Complete current quest
CompleteAllObjectives / CompleteQuest - Complete quest objectives
player.ForceAV - Directly set your skill values
DisableAllMines - Disables mines
getXPfornextlevel - Displays xp needed for next level
SetPCYoung - Everyone wants to be a kid again!
SexChange - Go ahead, be a transvestite, i won't ask any questions
tgm - God Mode
player.PlaceAtMe - 000000A(Pins) & 000000F(money)
CloseAllMenus - Just in case...
player.modav skill # - Modifies player's desired skill. (player.modav luck 10)
EnablePlayerControls - Move around during "locked" cinematics
movetoqt - Moves the player to the current quest marker
tcl - No clipping mode
showracemenu - Open the character creation screen
player.modav actionpoints # - Permanently modifies players max action points
player.modav carryweight # - Permanently modifies players max weight
player.additem 0000000F "XXX" - Replace "XXX" with the amount of caps(money) you want
rewardxp xxx - Replace xxx with the number of experience points to receive
ResetQuest - Resets a quest... assuming you would want to do such a thing?
resurrect - Revives dead target
rewardKarma # - Reward # karma points to player
setspecialpoints # - Set the number of special points to #
player.setav # - Sets skill level to #. Max 100. this sets all skill bonuses but those from gear, tag skills, or attributes
player.setav # - Sets the typed attribute to the number provided. (1-10)
AddPerk - That's right! Get any perk you want, any and/or all
tfc - Toggles free camera mode (useful for character screenshots)
tm - Turns off/on the HUD (useful for character screenshots)
unlock - Unlocks any selected physical lock (doors, chests, etc) and terminals
RewardXP - Use this to reward yourself some xp
MoveToQuestTarget/movetoqt - Warp to your quest' target location