This resulted in Necropolis and its large population of ghouls. In order to study the effects of radiation on the selected population, the Vault door was designed not to close properly. However, they were merely congratulated for not killing anybody. The survivors decided to face the punishment of not selecting a person to sacrifice: death. Eventually, an overseer made the selection process random instead of a vote and a huge riot ensued. After the vault door was closed, it was revealed to the residents that they were required to sacrifice one person each year. This Vault was a social experiment testing human nature, most specifically the ability to sacrifice oneself for others, and the ability to place ideals above one's own life.
Upon opening early after receiving the all-clear signal in 2079, the residents established Vault City with the help of their GECK.
Ī control Vault that was intended to open and recolonize the surface after 10 years. All of the Vault's residents were massacred by a group of raiders known as the Fiends shortly after they opened the Vault door. Sometime in the 23rd century, an unexpected water leak forced the Vault dwellers to open in hopes of trading with the outside. Ī control Vault that stayed closed due to the wishes of its inhabitants. The USA government commissioned Vault-Tec to build more than 100 Vaults across the country.
