Old World Blues (add-on)

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For the quest appearing in this add-on, see Old World Blues (quest).
Gametitle-FNV OWB
Gametitle-FNV OWB

There is an expression in the Wasteland: "Old World Blues". It refers to those so obsessed with the past they can't see the present, much less the future, for what it is.

— Doctor Mobius and Doctor Klein, Old World Blues

Old World Blues is the third add-on for Fallout: New Vegas, developed by Obsidian Entertainment and published by Bethesda Softworks.


In Old World Blues, the Courier is abducted and experimented upon by the Think Tank, a group of pre-War scientists that have replaced their aging bodies with machines. Learning that the Think Tank has removed and subsequently lost the Courier's brain, the Courier aids the Think Tank scientists in fighting Dr. Mobius, the rogue scientist currently in possession of their missing brain. Exploring the Big MT facility, the Courier re-discovers lost technology while also fighting off lobotomites, robo-scorpions, and more.

Finally meeting Dr. Mobius, the Courier learns that he is not actually evil, but has messed with the Think Tank's memories and constantly threatens them to keep them from experimenting on the entire wasteland. He also stole the Courier's brain so the Think Tank can not use it to acquire new bodies and escape. After choosing what to do with Mobius and reacquiring their brain, the Courier returns to the Think Tank and either convinces them to stop or kills them.



Robots and computersEdit



Armor and clothingEdit


Schematics & recipesEdit


Weapon modsEdit

Other itemsEdit


This section is transcluded from Fallout: New Vegas locations. To change it, please edit the transcluded page.


The experience points that are rewarded for quests are based on the players level upon quest completion. The total experience points available for the main storyline quests is anywhere between 3,000 (for levels 1-4) to 22,000 (for levels 45-50). The side quest experience points ranges from 75 to 500 per quest.

This section is transcluded from Fallout: New Vegas quests. To change it, please edit the transcluded page.
Icon Name Location(s) Given by Reward Quest ID
Icon gray x
A Brain's Best Friend The Think Tank Doctor Borous Variable XP xx014bf8
All My Friends Have Off Switches The Sink Sink Central Intelligence Unit Various The Sink services xx0112e3
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Coming Out of Her Shell The Think Tank Doctor Dala Various ammunition once per day xx014c2c
Icon gray x
Field Research The Sink The Sink Various sink services xx0112d6
Icon gray x
He Came... And Went The Think Tank Doctor Dala Variable XP xx014c2d
Icon gray x
Influencing People The Sink The Sink Various sink services xx0112e5
Icon gray x
Midnight Science Fiction Feature! Mojave Drive-in Mysterious broadcast Variable XP xx002fca
Old World Blues Big MT Doctor Klein Add-on completion, Big Mountain Transportalponder! xx002fcc
Icon gray x
On The Same Wavelength The Think Tank Doctor 8 Variable XP xx014c63
Icon gray x
Picking Your Brains The Think Tank Various Doctors Variable XP xx0121e3
Icon gray x
Project X-13 X-13 stealth testing lab Test terminal Stealth suit Mk II xx006d8d
Icon gray x
Sonic Emitter Upgrade The Think Tank Doctor Klein Variable XP xx0166e2
Icon gray x
Welcome to the Big Empty The Sink Self None xx002fcb
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What's In A Name? The Think Tank Doctor 0 Variable XP xx014cfb
Icon gray x
When Visitors Attack! The Think Tank Various Doctors Variable XP xx014cfe
Icon gray x
X-2: Strange Transmissions! The Think Tank Doctor Klein Variable XP xx002fcd
X-8: High School Horror! The Think Tank Doctor Klein Variable XP xx002fce
Icon gray x
X-8 Data Retrieval Test X-8 Research Center Test terminal Variable XP xx00dd5c
X-13: Attack of the Infiltrator! The Think Tank Doctor Klein Variable XP xx002fcf


This section is transcluded from Fallout: New Vegas challenges. To change it, please edit the transcluded page.
Name Recurring Requirement Amount to do Perk Given XP Base ID
Automaton noIcon cross Built a robot bent on destruction. 1 - 100 xx015b04
Mad Scientist noIcon cross Had an experiment go horribly awry. 1 - 100 xx015b02
Evil Genius noIcon cross Created an abomination. 1 - 100 xx015b03
Make up Your Mind noIcon cross Made up your mind... about your brain. 1 - 500 xx009de2
Making Friends noIcon cross Reactivated all of the Sink's robotic assistants. 10 - 500 xx011956
Cardiac Arrest! noIcon cross Recovered X-13 cardiac regulator sneaky suit! 1 - 500 xx009de4
Caza-Death Dealer 3 ranks Killed cazadores in the Big MT. 2/5/10 DNAvenger xx00da29
Dog Run I/II/III 3 ranks Completed the X-8 Basic/Advanced Testing Program/...with night stalkers! 4 runs DNAgent xx00a446
MT Space noIcon cross Visited every location in the Big MT. 35 - 100 xx00a44c
Klein Destine noIcon cross Dressed in a complete set of Dr. Klein Clothes.
(Dr. Klein's glove, Dr. Klein's glasses, Dr. Klein's scrubs)
1 - 100 xx009de1
Mobius Strip noIcon cross Dressed in a complete set of Dr. Mobius Clothes.
(Dr. Mobius' glove, Dr. Mobius' scrubs, Dr. Mobius' glasses)
1 - 100 xx009de7
Outer Space noIcon cross Dared to venture beyond the Big MT's perimeter...more than once! 2 - 100 xx00a44d
Outsmarted noIcon cross Completed Old World Blues 1 - 500 xx009de5
Spinal-Tapped noIcon cross Recovered X-8 vertebrae-pulse-de-sensitizer frequency! 1 - 500 xx009de3
VR the Champions I/II/III 3 ranks Completed the X-13 Basic/Advanced Infiltration and Robot Compliance tests 3 runs - 100 xx00a449


This section is transcluded from Fallout: New Vegas perks. To change it, please edit the transcluded page.

Regular perksEdit

Name Level req Other requirements Ranks Benefit Base ID
Atomic! 20 EN 6 1 In irradiated areas, +25% move and attack speed, +2 DT, +2 ST. With excess rad level, AP regen scales from 1.1 times to 1.5 times normal. xx008011
Mile in Their Shoes 20 Survival 25 1 You have come to understand night stalkers. Consuming night stalker squeezin's now grants bonuses to Perception (+1 PER), Poison Resistance (+5), and Stealth (+5 Sneak) in addition to the normal benefits. xx009619
Them's Good Eatin' 20 Survival 55 1 Any living creature you kill has a 50% chance to have the potent healing items thin red paste or blood sausage when looted. xx0098c9
Implant GRX 30 EN 8 2 You gain a non-addictive subdermal turbo (chem) injector. This perk may be taken twice, with the second rank increasing the effect from 2 to 3 seconds and the uses per day from 5 to 10 (activated in the Pip-Boy inventory). xx009d48

Special perksEdit

Name Unlock conditions Ranks Benefit Base ID
Brainless Initial dialogue with Doctor Klein in the think tank (optional to keep after completion of OWB if you keep your artificial brain) 1 Head can no longer be crippled, +25% resistance to chem addiction, +5% DT (min +1) xx0098be
Heartless Initial dialogue with Doctor Klein in the think tank (optional to keep after completion of OWB if you keep your artificial heart) 1 Cannot be poisoned, healing items are boosted +25%, robots have -50% crit chance. xx0098c2
Spineless Initial dialogue with Doctor Klein in the think tank (optional to keep after completion of OWB if you keep your artificial spine) 1 Strength+1, DT+1, torso can no longer be crippled. xx0098bc
Big Brained Sink Auto-Doc after Old World Blues is finished (optional to get if you take your organic brain back) 1 Head cannot be crippled, +10% resistance to chem addiction, +10% DT (min +1). xx015bba
Cardiac Arrest Sink Auto-Doc after Old World Blues is finished (optional to get if you take your organic heart back) 1 +50% poison resistance, healing items boosted by 50%, robots have -25% crit chance. xx015bbb
Reinforced Spine Sink Auto-Doc after Old World Blues is finished (optional to get if you take your organic spine back) 1 Strength+2, Damage Threshold+2 xx015bbc
DNAgent Completion of X-8 Data Retrieval Test 1 All damage done to night stalkers is increased by 10%. xx009617
DNAvenger Kill two cazadores for rank 1, three more for rank 2, and another five for rank 3 of this perk. All kills must be made in the Big MT; cazadores outside the Big MT do not count. 3 All the damage done to cazadores is increased cumulatively by 10% by rank. xx00da28

Implant perksEdit

Doesn't count against the Endurance limit of original implant perks.

Name Unlock conditions Ranks Benefit Base ID
Implant C-13 Surgery purchased through dialogue with the Sink Auto-Doc in The Sink for 8,000 caps. 1 Plus 10% damage to cazadores xx009616
Implant M-5 Surgery purchased through dialogue with the Sink Auto-Doc in The Sink for 10,000 caps. 1 Your crouched movement speed is increased by 20%. xx009614
Implant Y-3 Surgery purchased through dialogue with the Sink Auto-Doc in The Sink for 12,000 caps. 1 Removes any radiation taken from drinking an irradiated water source. xx009615
Implant Y-7 Surgery purchased through dialogue with the Sink Auto-Doc in The Sink for 20,000 caps. 1 +5 health and +2 restored action points through the consumption of food. xx00961a


This section is transcluded from Fallout: New Vegas traits. To change it, please edit the transcluded page.
Name Benefit Penalty Code
Claustrophobia + 1 to SPECIAL attributes while outdoors. - 1 to SPECIAL attributes while indoors. xx0133ae
Early Bird + 2 to SPECIAL attributes from 6am to 12pm. - 1 to SPECIAL attributes from 6pm to 6am. xx012767
Hoarder + 25 lbs to total carry weight. - 1 to SPECIAL attributes while current equipment weight is below 160 lbs. xx01276d
Hot Blooded + 15% damage increase while below 50% health. - 2 to Perception and Agility while below 50% health. xx01276b
Logan's Loophole Chems last twice as long and addiction rates are set to zero. Locks the level cap at 30. xx01276e
Skilled Gain +5 points to every skill. You suffer -10% from experience gained. xx012b86


Name Requirement Achievement points Trophy type Image
Cardiac Arrest! Recovered X-13 cardiac regulator sneaky suit 20 gamerscoreGamerscore Bronze Cardiacarrest
Make up Your Mind Made up your Mind... about your brain 20 gamerscoreGamerscore Bronze Make up your mind
Making Friends Reactivated all of the Sink's robotic assistants 30 gamerscoreGamerscore Silver Makingfriends
Outsmarted Completed Old World Blues. 35 gamerscoreGamerscore Gold Outsmarted
Spinal-Tapped Recovered X-8 vertebrae-pulse-de-sensitizer frequency 20 gamerscoreGamerscore Bronze Spinaltapped


  • The Big MT seems to be the locations where Father Elijah found and gathered most of his equipment prior to Dead Money, such as the bomb collars and the holorifle along with Christine Royce, although Elijah claims he invented the holorifle.
  • Big MT or "Big Mountain" is based upon the real-life location "Black Mesa" in Arizona.
  • Like all New Vegas add-ons, Old World Blues raises the level cap by 5.[1] The add-on also offers new traits (and gives you the opportunity to change your own traits if you've already chosen them) including one called Logan's Loophole that will allow you to cap your level at 30 and give you additional bonuses regarding chems.
  • Old World Blues can be difficult for low level players. Before going in, the game advises that Old World Blues is intended for Couriers of Level 15+. Some enemies in the Big Empty can offer a challenge even for a Courier at level 30+.
  • Old World Blues enemies pose a much larger threat for Couriers at Level 40+, as many enemies level with the player.
  • Equipment will not be stripped from the player at the beginning of this add-on, and it features an open-world setting. There is no limit to the amount of equipment you can take in to the add-on, as well.[2]
  • Like all New Vegas add-ons, companions cannot accompany the Courier to the new land. However, there is one temporary companion in the add-on, a cyberdog named Roxie who has her own ending if you create her.
  • There is an upgradeable player housing (via completing quests) called The Sink, in the add-on.[3] Complete with some robotic appliances which have individual personalities, all with different voices.
  • In addition to providing free basic healing services (restore HP, repair limb damage, and remove radiation and drug dependency), the auto-doc in The Sink allows the player to alter their looks, hairstyle, and, for one time only, their traits.
  • There is a new radio station added, to both the Big Empty and the Mojave. It plays 3 new jazz songs, along with 2 songs from Radio New Vegas. Among the songs is Begin Again by Vera Keyes.
  • Once you complete the add-on, you may return to the Big Empty via the Big Mountain Transportalponder! Note you cannot use the item while in the interior of a building, cave, tunnels, etc., in a combat situation, or in Freeside, The Fort, Camp McCarran, or the Strip. You can, however, use it in Higgs Village, outside of the houses.
  • Completion of the add-on does not close off side quests that are as yet uncompleted, even if these quests have not yet begun.
  • In Ulysses' Point, the player "gets a taste" of Ulysses by listening to holotapes left in the Big Empty. patient log: Y-17.9 also gives a statement referring to Lonesome Road.
  • Christine Royce and Father Elijah from Dead Money are also involved in Old World Blues, although they do not appear in the add-on. There are holotapes of her speaking, along with her weapon and armor. Father Elijah's weapons can also be found, along with notes made by him while in the Big MT.
  • If you play Christine's holotapes in front of her at Dead Money, she will not take any notice. This is due to the add-ons being independent from each other.
  • The Sierra Madre poster can be seen in Big MT.
  • The Courier's brain, spine and heart are removed by the scientists and held as leverage.
  • The sound from the speakers in Dead Money can be heard at the end of the trailer and from the speakers in the Little Yangtze prison camp.
  • Some areas contain hanging dolls on a string like in the X-13 research facility. These are the same as the swamp totems in the Fallout 3 add-on, Point Lookout.
  • Unlike Dead Money or Honest Hearts, all achievements or trophies can be earned in one playthrough without replaying.
  • When in Hardcore mode, the sleep meter stays at zero, unless the Courier sleeps. There may be a delay before the sleep meter starts.
  • Ammo containers in the Big MT almost invariably and contain .44 Magnum, .357 Magnum, and all types of energy weapon ammo.
  • Vast quantities of duct tape, wonderglue, scrap metal, and scrap electronics can be acquired in the Big MT. Wrenches are also fairly plentiful, allowing for the crafting of as many weapons repair kits as the player could ever need.

Behind the scenesEdit

  • The Big Empty was a location that was scrapped from Black Isle's canceled Fallout 3 (Van Buren).
  • At some point, Chris Avellone set his location on his Twitter profile to Big MT, Mojave, placing the Big Empty as a location within the Mojave Wasteland and thus teasing its possible appearance in a future Fallout: New Vegas add-on. Since then, Avellone has also changed his Twitter avatar.
  • This add-on is an obvious homage to the science fiction B-movies of the 1950s. There are many references to these types of movies throughout the add-on.
  • Old World Blues was nominated for Best DLC Award at the 2011 Spike Video Game Awards. It was the only one of the Fallout: New Vegas add-ons to be nominated.
  • The add-on's main quest shares many similarities with the 1939 film, The Wizard of Oz in that the Courier searches for their brain (Scarecrow), their heart (The Tin Man), and their spine (courage for the Lion) after initially being unconscious after entering Big Mountain (as Dorothy was knocked unconscious in order to enter Oz). Additionally, Dr. Mobius is initially portrayed to be malevolent or sinister, much like the Wizard of Oz himself, only to have it revealed that he is quite misunderstood, and the Big Mountain Transportalponder! acts as the Ruby Slippers, taking the Courier back home.




Fallout New Vegas - Old World Blues DLC trailer01:34

Fallout New Vegas - Old World Blues DLC trailer


  1. Honest Hearts screenshot, DLC out may 17 - Bethesda Softworks Forums.
  2. Is there anyone that DOES like having their gear taken away? - Bethesda Softworks Forums - Page 3
  3. Jason Bergman on The Sink
Old World Blues

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