Interplay
Fallout 3
New Vegas
Fallout 4
Vaults
100

The 1st president of the NCR

Who is "Tandi"

100

The reason America fought China at The Battle of Anchorage

What is "oil"

100

This technology is the reason Knight Kin's skin are blue, and why they suffer from schizophrenia

What is "Stealth-Boy"

100

First and last name of the radio host in Diamond City

Who is "Travis Miles"

100

The name of the sole resident and their clones in Vault 108.

Who is "GARY"

200

The car that 'The Chosen One' drove

What is "the Highwayman"

200

Name of the first Synth introduced into the Fallout series

Who is "Harkness"

200

The reason Ulysses was mad at the Courier 

What is "The Courier delivered a nuke detonator package into the divide"

200

The profession(s) that Nate and Nora had before the war 

What is "soldier" and "attorney"

200

The name of the settlement made with the G.E.C.K  from vault 8

What is "vault City"

300

The person who (or at least claimed to have) created a strain of Jet mixed with Brahmin Dung

Who is "Myron"

300

The Name of Griffon's 'miracle elixer'. (Its said to cure halitosis, skin flaking, and boost the reivigoration of your hair. It even prevents bullying)

What is "Aqua Pura"

300

The amount of Gold Bars the Courier can receive in the Dead Money DLC

What is "37"

300

This Person is the sibling to Mayor McDonough

Who is "John Hancock" (aka John McDonough)

300

Vault 12's door never sealed, afflicting the residents of Bakersfeild with gradual radition poisoning, turning the metropolis into this city

What is "Necropolis"

400

In the first Fallout the amount of days The Vault Dweller needs to get the water chip

What is "150" or "250 with the water merchant"

400

The number of Super Mutant Behemoths in Fallout 3

What is "5'

400

The name of Robert House's half-brother

Who is "Anthony House"

400

The reason why the institute kidnapped  Shaun

What is "they needed pure DNA w/o radiation, so they could clone more efficient super mutants".


(fyi: they soon disposed of the super mutant program and started on the synths, which they still needed shaun for) 

400

The amount of vaults in Fallout 4

What is "5"

500

All available companions in the first Fallout 

Who are "dogmeat, Ian, Tycho, Katja"

500

The name of the dark and otherworldy book w/ ties to the Dunwich Building, given by Obidiah Blachall to the Lone Wanderer at Point Lookout

What is "the Krivbeknih"

500

The six names of the casinos in New Vegas

  • Atomic Wrangler Casino
  • Gomorrah
  • Sierra Madre Casino
  • The Tops
  • Ultra-Luxe
  • Vikki and Vance Casino
500

Materials to make Mentats in Fallout 4

What is "1 Abraxo Cleaner, 2 brain fungus , and 1 lead"

500

This vault originally inhabited The Boomers

What is "Vault 34"