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From what you can make out in the archives, two GECKs were part of every Vault's standard inventory package. Only one was shipped to Vault 8, however.[...] Due to a shipping error, it appears Vault 8 received a box of surplus water chips intended for another Vault. The other Vault most likely received Vault 8's second GECK.— Information gathered by the Chosen One from Vault 8 Central Computer[1]

Vault 8 is located in the post-War settlement of Vault City.


Vault 8 was one of the seventeen control vaults, opening two years after the war.[2] With the help of their GECK, the inhabitants established a city outside of the vault.[3] The city relies on a reactor that controls its ability to expand.[4][5] Martin is located in the lower level, tasked with looking after the equipment in the command center.[6]


Level One

Fo2 Vault 8 Entrance.png

Beyond the outer blast doors and a long steel corridor lies a Seal'N'Safe Model 343 vault door, together with an airlock and security door. Doctor Troy is located here and can treat crippled limbs and radiation poisoning. He is a key figure in two quests, delivering a sample of Jet to him and making an antidote for Jet. Should the Chosen One become a Captain of the Guard, Marcus can be treated by Doctor Troy and all the ammunition stuck in his body removed.

Assisting Doctor Troy is a nurse named Phyllis who can provide some insight into how Vault City functions. Those who possess the magic 8-ball can access the emergency medical dispenser in the hall, for a super stimpak and two regular stimpaks.

Excursion locker:

Level Two

Fo2 Vault 8 Living Quarters.png

Level two is currently used only as storage. The rooms are filled with crates and abandoned equipment, though most doors have stuck power couplings or are locked. Vault City stores its supply of uranium ore for their nuclear power plant, as well as any other goods they trade with the outside. Spare water chips, originally intended for Vault 13, are located here.

Upper leftmost room:

Upper left-middle room:

Upper right-middle room:

Upper rightmost room:

Lower rightmost room:

Lower right-middle room:

Lower left-middle room:

Lower leftmost room:

Rattling vent:

Level Three

Fo2 Vault 8 Command Center.png

This level is divided into two distinct halves by a red security door. There is a meeting room, library, and computer core. At an intersection lies a storeroom, where all the vault's basic supplies are kept in lockers.

The second part, the actual command center, is separated by a security door with a bright red light, beyond which lies the security station with the vault's armory. Just beyond is the main control room, where the central computer, the primary control stations for the water processing computer. Last is the overseer's chamber, where his hydraulic pedestal and control seat is located.



Related quests


  • Martin sings to himself, and the Chosen One can comment, resulting in Karma loss or gain.
  • The Vault-Tec elevator decal is labeled "Vaul Tek."


Vault 8 appears only in Fallout 2.

Behind the scenes

  • The location is mentioned in the Fallout Bible.[Dev 1][Dev 2][Dev 3]
  • Vault 8 was to play a major role in the canceled Fallout movie, having been destroyed and the current home of a character named Max.[Doc 1]
  • UI C Icon QianWangJianTou.png
    For additional real world information about this topic, check out the Independent Fallout Wiki's Real World article.



  1. VICENCOM.MSG: For sentence fragments, see lines 240 & 244 respectively.
  2. The Chosen One: "{205}{}{How did you know when to leave the vault? I heard the vaults were isolated from the outside world.}"
    Joanne Lynette: "{216}{lyn020}{What you heard was incorrect. Our archives are quite clear: our vault received the all-clear signal two years after being sealed.}"
  3. The Chosen One: "{273}{}{Speaking of the GECK, do you have another one that I could have?}"
    Joanne Lynette: "{314}{lyn039}{I'm sorry, but we used ours to start Vault City. I do not believe there were any spares, but you could check the Acquisitions Office. It is located by the entrance to our vault.}"
  4. The Chosen One: "{201}{}{And?}"
    Gordon: "{210}{}{Without more power Vault City will burn out their reactor within 15 years. If Gecko’s reactor isn’t repaired, we won’t last half that time. Without medical technology, all of us Ghouls are going to die off in the next 20 years, anyway. Everyone loses if Vault City and Gecko don’t cooperate.}"
  5. Vault City central computer: "{229}{}{Call up the reports on Vault City's power generator. }"
    "{231}{}{According to the output reports, it looks like Gordon was correct. Vault City's generator is already approaching its limit. Without a new power supply, Vault City will be unable to expand.}"
  6. The Chosen One: "{132}{}{Sorry, didn't mean to startle you.}"
    Martin: "{134}{}{Th-that's okay.}"
    "{136}{}{It's juhst nuh-not muh-many people come inta the Vault.}"
Design Documents
  1. Fallout film treatment Sections 15, 16, 17, and 30
Developer Statements
  1. Fallout Bible p.11: "VAULT SYSTEM"
    It was intended that while the player was reading the Vault 8 records in Fallout 2, he could discover a classified file (opened with a successful Science skill roll) which explained that Vault 8 was a "control Vault," designed to hold 1000 people and to open on time. This file was intended to foreshadow the discovery of the true and sinister purpose of the Vaults."
  2. Fallout Bible p.11: "VAULT SYSTEM"
    Vault 8: A control Vault, intended to open and re-colonize the surface after 10 years. Vault City is the result. Unfortunately."
  3. Fallout Bible p.23: "TIMELINE REPAIR: SECOND STRIKE"
    2091: Vault 8 opens, and they use their GECK to create fertile ground for their city. This eventually becomes Vault City."
FO2 VC sign.png