Vault 0

Vault 0, unlike most Vaults involved in the Vault Experiment, was not an experiment in human behaviour. For that reason, Vault 0 is often considered non-canon.

Vault 0 was constructed as a storage place where the biggest geniuses of the pre-war United States could be kept in a cryogenically frozen state. They were hooked up together to one big machine called the Calculator, who was supposed to function together with those minds to build an ideal society in a post-war country by educating the survivors. Due to budget cutbacks by the Defence Department (beacuse of a false sence of safety.), several important backup systems were not included to the nuero-link systems, and now instead of releasing the robots to make it safe for humanity, they use the arsenal from Vault 0 and any where else that sufficent arms could be found, to exterminate all life. As for the unfortunate geniuses plugged in, most of them suffered severe brain damage and mental retradation.

Vault 0 thus becomes the end-setting of Fallout Tactics as the player character and his team have to stop the machine.