There are hundreds of cheats for Fallout 3 on PC. For example, with the player.addperk cheat, you can activate all Fallout 3 perks provided you know the proper perk codes.
These cheats apply exclusively to the PC version of Fallout 3.
How to Enter Fallout 3 Perk Cheats
Press the tilde key (~) to display the cheat console, then type player.addperk followed by the perk code and press Enter. For example, to activate the Black Widow perk, enter:
player.addperk 00094EB8
There are also item codes for Fallout 3 that you can use with the player.additem cheat to get any item when you need it.
Perk Codes for Fallout 3
Use these codes with the player.addperk cheat:
Perk | ID Code | Effect |
Adamantium Skeleton | 00094EC4 | Damage to limbs reduced by 50% |
Action Boy | 00031DBA | +25 action points |
Action Girl | 0007B202 | +25 action points |
Animal Friend | 00031DB5 | Animals become friendly |
Better Criticals | 00031DBB | +50% damage with critical hits |
Black Widow | 00094EB8 | +10% damage to the opposite sex |
Bloody Mess | 00094EBA | +5% overall damage, more violent deaths |
Cannibal | 00094EBC | Eat corpses to restore 25 HP and lose 1 Karma |
Chemist | 0009982D | Double chem effect duration |
Chem Resistant | 00099827 | Halve chances of getting addicted |
Child at Heart | 00003142 | Unlock dialogue options with children |
Commando | 00099828 | +25% accuracy in V.A.T.S. with two-handed weapons |
Comprehension | 00031DE1 | +1 skill point when you read a skill book |
Computer Wiz | 00031DC4 | Get four extra chances to hack a locked down terminal |
Concentrated Fire | 00044CAF | +5% accuracy in V.A.T.S. with every attack queued |
Contract Killer | 00044CA8 | Sell ears to Daniel Littlehorn |
Cyborg | 00044CAB | +10 energy weapons, +10% to radiation resistance, poison resistance, and damage resistance |
Daddy's Boy | 00044948 | +5 Science, +5 Medicine |
Daddy's Girl | 00069310 | +5 Science, +5 Medicine |
Demolition Expert | 00031DAB | +20% damage with explosives |
Dream Crusher | 00030FEB | Reduce enemy chance of critical hits by 50%, 30% discount at Craterside Supply, +30 points to Moira's Repair skill |
Educated | 00031DD8 | +3 skill points per level |
Explorer | 00031DE5 | Mark all locations on the map |
Entomologist | 00031DD9 | +50% damage to insects |
Fast Metabolism | 00094EBF | +20% HP restored with stimpaks |
Finesse | 00094EC1 | +5% chance of critical hit |
Fortune Finder | 00031DE3 | Find more bottle caps |
Grim Reaper Spirit | 00099834 | V.A.T.S. kills restore AP |
Gun Nut | 0004494E | +5 Small Guns, +5 Repair |
Gunslinger | 00094EBB | +25% accuracy in V.A.T.S. with one-handed weapons |
Hematophage | 00003131 | Blood packs restore 20 HP |
Here and Now | 00031DAC | Instantly level up |
Impartial Mediation | 00044CAD | +30 Speech with neutral Karma |
Infiltrator | 00044CB0 | Pick broken locks with extra bobby pins |
Intense Training | 00044CB1 | +1 to any special stat |
Iron Fist | 00031DDB | +5 unarmed damage |
Lady Killer | 00094EB9 | +10% damage to the opposite sex |
Law Bringer | 00044CAC | Sell fingers to Sonora Cruz |
Lead Belly | 00044CA9 | -50% radiation from drinking water |
Light Step | 00031DB7 | Disable floor traps and mines |
Life Giver | 00031DB1 | +30 HP |
Little Leaguer | 00014B97 | +5 damage with melee weapons and explosives |
Master Trader | 00031DB8 | Reduce item prices 25% |
Mister Sandman | 00031DAD | Instantly kill sleeping NPCs and earn bonus XP |
Mysterious Stranger | 00031DBC | Chance of instant kills with the Stranger in V.A.T.S. |
Nerd Rage | 00044CA7 | +50% DR and +10 strength when HP is < 20% |
Night Person | 00094EBD | +2 Intelligence and Perception between 6 P.M.-6 A.M. |
Ninja | 00031DCC | +15% chance of critical damage with melee and unarmed weapons, +25% damage with sneak attack critical hits |
Paralyzing Palm | 00044CAA | +30% chance of paralyzing enemies with unarmed attacks in V.A.T.S. |
Power Armor Training | 00058FDF | Wear any power armor |
PyroManiac | 00031DB2 | +50% damage with fire-based weapons |
Rad Resistance | 00031DA9 | +25% radiation resistance |
Robotics Expert | 00031DC2 | +25% damage to robots, shut down robots by sneaking up on them |
Scoundrel | 00044CA6 | +5 Speech, +5 Barter |
Scrounger | 00031DAA | Find more ammunition in containers |
Silent Running | 00031DB3 | +10 Sneak, speed and armor weight don't affect sneaking |
Size Matters | 0009982E | +15 Big Guns |
Sniper | 00031DB4 | +25% damage from head shots in V.A.T.S. |
Solar Powered | 00031DC5 | +2 Strength, +1 HP regenerates while outside from 6 A.M.-6 P.M. |
Strong Back | 00031DDE | +50 Carry Weight |
Swift Learner | 00031DD3 | +10% XP gained |
Tag | 00031DBD | +15 points to tag skill |
Thief | 00031DD6 | +5 Lockpick, +5 Sneak |
Toughness | 00031DE0 | +10% DR |
Well Rested | 00061822 | +10% XP for 8 in-game hours, +2 to Endurance and Agility in Survival mode |
Quest Perk Codes for Fallout 3
These perks are normally obtained by completing quests:
Perk | ID Code | Effect |
Ant Sight | 000C1A6C | +1 PE, +25% fire resistance |
Ant Might | 000C1A6B | +1 ST, +25% fire resistance |
Barkskin | 00035E04 | +5 DR |
Rad Regeneration | 0003066B | Crippled limbs regenerate |
Wired Reflexes | 00024D5C | +10% accuracy in V.A.T.S. |
Add-on Perk Codes for Fallout 3
Some perks are only available with certain DLC expansions. When entering these codes, replace xx with the base ID of the add-on. To find the base ID, open the command console and click on a character from the DLC. The base ID is the first two numbers in the character ID displayed at the top of the screen.
Perk | ID Code | Add-on | Effect |
Deep Sleep | xx003213 | Broken Steel | Sleeping in any bed gives the Well Rested effect |
Puppies! | xx003211 | Broken Steel | A puppy spawns outside of Vault 101 if Dogmeat dies |
Quantum Chemist | xx004c71 | Broken Steel | Every 10 Nuka-Colas you collect become Nuka-Cola Quantum |
Devil's Highway | xx004c6d | Broken Steel | Set Karma to very evil |
Escalator to Heaven | xx004c6f | Broken Steel | Set Karma to very good |
Karmic Rebalance | xx004c6e | Broken Steel | Set Karma to nuetral |
No Weaknesses | xx00108e | Broken Steel | Raise all special stats to 5 |
Rad Tolerance | xx0011c1 | Broken Steel | No effects from minor radiation poisoning |
Warmonger | xx0011be | Broken Steel | Get all schematics at V3 |
Nerves of Steel | xx0011c2 | Broken Steel | Unlock all level 3 weapon schematics |
Party Boy | xx0011bf | Broken Steel | No chance of alcohol addiction |
Party Girl | xx0011c0 | Broken Steel | No chance of alcohol addiction |
Rad Absorption | xx0011bd | Broken Steel | -1 rad every 20 seconds |
Nuclear Anomaly | xx004c6c | Broken Steel | Cause a nuclear explosion when your HP is < 20% |
Almost Perfect | xx004c6b | Broken Steel | Raise all special stats to 9 |
Covert Ops | xx00bf70 | Operation: Anchorage | +3 Science, Small Guns and Lockpick |
Auto Axpert | xx0073e8 | The Pitt | +25% extra damage with the auto axe |
Booster Shot | xx007354 | The Pitt | +10% radiation resistance |
Pitt Fighter | xx0073ea | The Pitt | +3% radiation resistance and damage resistance |
Ghoul Ecology | xx00d1fe | Point Lookout | +5 damage against ghouls |
Punga Power! | xx011097 | Point Lookout | -10 rad from wild punga fruit and -15 rad from refined punga fruit |
Superior Defender | xx00d1fa | Point Lookout | +5 damage and +10 DR while standing still |
Xenotech Expert | xx00abb0 | Mothership Zeta | Spawn random enemies in shooting range |