Only 17 out of the 122 Vaults in the Fallout universe ... along with the overseer, tried to escape, but were slain by the A.I. holding them hostage. Vault 2 is mentioned in the Wasteland minigame ...
Of course, nothing is ever as it seems, and a little bit of digging (Lucy’s journey in Fallout season 1 or playing to the end of Fallout 2 ... Overseer, with a slightly strange single eye. Vault ...