Your father James has left Vault 101, and the Overseer's security forces are after you. Fallout 3 begins its main quest with your escape from the vault and a search for James through the ruins of Washington, D.C.
This single-player action RPG lets you create a character and explore an open wasteland threatened by Super Mutants, Ghouls and Raiders. The search leads beyond your family's history to Project Purity, an abandoned effort to clean the region's irradiated water.
