Operations sabotaged by Overseer due to moral objections researchers were sealed within their section of the Vault with no means of escape or contact. Research facility scientists in a secret sector of the Vault would work to develop a universal disease cure via experiments on an unwitting civilian population Reactor leak killed or ghoulified most agents assigned to the Vault survivors were rescued by the residents of Vault 76 during an attempted heist of the gold reserves Secret Service facility intended to house the United States gold reserves North of Dolly Sods Wilderness, West Virginia Inhabitants became instrumental in the reconstruction of Appalachia and the eradication of the Scorched PlagueĪn unknown inhabitant was feared to the point of superstition by the slavers of Paradise Falls

Test subjects eventually revolted against researchers Vault was eventually occupied by Gunners Social and medical experiment, in which a eugenics program was used to breed young inhabitants into perfect soldiers Malden Middle School, Malden, Massachusetts ZAX began manufacturing crises to test the abilities of inhabitants the crises eventually escalated to lethal threats, then direct manipulation encouraging the remaining inhabitants to kill one another

Social experiment in which a ZAX AI was tasked with selecting an ideal overseer from Vault population Reactor leak caused by a civil uprising led to the death or ghoulification of most inhabitants

Inhabitants manually installed locks on armory and restricted access to Vault Security schism over these measures led a group to leave and form the Boomers tribe. Social experiment in which inhabitants were provided access to an overstocked armory with no security measures Vault was said to be populated with 'obnoxious rich teenagers' Genetically modified fungal infection transformed inhabitants into spore carriers Research facility studying and creating genetically modified crops and flora Inhabitants maintained a stable community until 2274, when Robert House successfully won ownership of the Vault in a game of blackjack and converted it into a hotel Social experiment studying the effects of excessive gambling all disputes were to be resolved through games of chance ( The Strip, New Vegas, Mojave Wasteland) Ultimate fate of inhabitants is unknown Vault was eventually occupied by Powder Gangers Inhabitants subjected to subliminal messaging and faked acts of sabotage many developed symptoms of psychosis. Social experiment studying effects of factionalism and means to induce paranoia and mistrust inhabitants divided into rival 'Blue' and 'Red' sectors Inhabitants were kidnapped and transformed into super mutants by the Unity Schism among the inhabitants led to the formation of three raider gangs from exiled inhabitants ( Khans, Jackals, and Vipers). Social experiment in which a large population from diverse ethnic and religious backgrounds were forced to live together Vault's opening was intentionally delayed by several decades Schism caused by the Vault Dweller resulted in many inhabitants leaving survivors were killed or kidnapped by the Enclave Inhabitants chose to remain in isolation until a water chip failure forced them to send the Vault Dweller for a replacement. Whitney, Sequoia National Park/Inyo National Forest, California Inhabitants became ghouls and founded the city of Necropolis Medical experiment studying the effects of gradual radiation exposure door was designed not to seal correctly Inhabitants initially used elections to select sacrifices attempted coup after the practice was abolished resulted in the deaths of most inhabitants Social experiment studying a population's willingness to sacrifice individuals for the safety of the majority, using falsified threats of collective punishment Inhabitants left on-schedule and used their G.E.C.K. Inhabitants chose to remain in isolation for over a century until a water leak forced them to open for trade Vault was subsequently massacred and taken over by the Fiends The data would be collected by the Enclave, and used to create a multi-generational starship in order to colonize a new planet, as the initial assumption by the Enclave was that Earth would be rendered uninhabitable by nuclear war. This plan would enable the American civilization to endure, sacrificing some of their dwellers in secret tests. While marketed as nuclear shelters to save a portion of the American population from nuclear war, Vaults were actually a grand social experiment, each with a specific data-gathering purpose in mind.

Vault 101 dweller