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The engine room is a location onboard Mothership Zeta in 2277.


The engine room is mostly circular with one inaccessible door, forcing the player character to explore the area in a clockwise fashion. The area inaccessible via the main room is linear, with straight hallways and corridors. Scattered throughout are aliens, support drones, and guardian drones. There are also a few opportunities for one to sabotage turrets.

Notable loot


  • This is one of many areas of the ship that will not be accessible after one has completed the main quest (This Galaxy Ain't Big Enough...).
  • If the player character takes Somah into the engine room, she will make comments about smelling flammable gas and wonder aloud 'what a well placed grenade would do to that thing.' There are several places where the flammable gas can be ignited.


The engine room appears only in the Fallout 3 add-on Mothership Zeta.