Vault 87 - Use of the Forced Evolutional Virus administered to it's inhabitants resulted in the vault being full of super mutants and centaurs
Vault 92 - musicians were invited to the vault to preserve their talents for future generations. In reality, the vault was rigged to expierment on it's vault dwellers via white noise to implant subliminal messages into their heads, they hoped to make super soliders
Vault 101 - The purpose of this vault was to test the role of the overseer and see how long they can keep the vault dwellers from going outside
Vault 112 - Bulit to aid Dr Stanislaus Braun, he created a virtual reality, Tranquailty Lane, which his participants could not espace from
Vault 106 - psychoactive drugs were released into the air conditioning after the vault was sealed. This drove the vault dwellers mad.
Vault 108 - studied the conflict for leadership and power within the vault
