Player Vault (Fallout Shelter Online)

The player Vault is a Vault-Tec Vault

Background
The player Vault is an active, fuctioning Vault located in or near to The Commonwealth. Vault-Tec designed the player Vault to observe the effects of the Forced Evolutionary Virus on subjects that have been isolated for 200 years. The Vault was outfitted with a resource purifier, which contained stores of the virus waiting to be released. As part of this experiment, the Vault door was planned to never open, only doing so nearly 200 years after it closed.

According to Preston, the only path that leads out of the Vault leads through to Sanctuary Hills.

Layout
Prior to Jacob March's departure; the Vault consisted of a door, an Overseer's office, a small living quarters, a small diner, a medium power generator room, a training room, and a cryogenics chamber.

Following Jacob's disappearance, the Vault can be customised by it's new Overseer with an array of new rooms, such as

Appearances
The player Vault only appears in Fallout Shelter Online.