Fallout 3: Mothership Zeta is a downloadable content pack for the Xbox 360 action-adventure game Fallout 3. The story follows the player character, known as the Lone Wanderer, as they attempt to rescue their captured friends from the clutches of the Enclave on the Mothership Zeta.
The gameplay in Fallout 3: Mothership Zeta is a mix of exploration, combat and puzzle-solving. Players must navigate through the ship's various sections, fighting off hostile robots and other enemies, while also solving puzzles to progress through the story. The game also features a new questline that adds to the overall narrative of the original game.