Fallout 3 keys

General information
Keys in Fallout 3 open specific doors or containers, some of which are inaccessible otherwise. Some keys can be found in the game world, some are in the possession of non-player characters and can be pickpocketed while a few can only be retrieved if their owner has been killed.

Operation: Anchorage
No keys are added by Operation: Anchorage.

Mothership Zeta
No keys are added in Mothership Zeta.

Keycards

 * Fort Constantine CO keycard, a cut keycard intended to be used in Fort Constantine.
 * Pass card, Red and Blue key cards that can be used in place of Metro tickets with security Protectrons in the Washington, D.C. Metro.