Game of any version + all official additions is necessary
Not really big, but very and very cozy underground shelter for the player located under the thrown parking near Rivet-City. We pay your attention that in addition to subjects, standard for a shelter, in it some unique tools of murder are also hidden.
1. Copy the UndergroundHideout.bsa and UndergroundHideout.esp files in the directory Data with the set game.
2. Launch an executable file of FalloutLauncher.exe from the root directory with Fallout 3, in the appeared window click on the button Files and mark a tick the UndergroundHideout.esp point.