Bethesa has told Joystiq that it has no plans for any more Fallout 3 DLC after Mothership Zeta.
The publisher has been calling Mothership Zeta the game’s final planned DLC pack since it first announced the new content.
Mothership Zeta is Fallout 3’s fifth downloadable content pack , and follows Operation: Anchorage, The Pitt, Broken Steel and Point lookout and has just been released for PC and Xbox 360.
The new storyline has players being abducted by aliens while our exploring an alien crash site, and the entire episode takes place on an alien spaceship.
When asked, Bethesda confirmed to Joystiq that Mothership Zeta is the last planned DLC pack for Fallout 3, but went on to add “never say ‘never’.”, indicating that more content is still a future possibility.