Part 5. Cryo Lab. Mothership Zeta is the fifth and final add-on for Fallout 3, developed and published by Bethesda Softworks. Mothership Zeta was first released on August 3, 2009 for Xbox Live and Games for Windows Live. The playstation 3 version is to be released after Point Lookout. The add-on costs 800 Microsoft points or $9.99. Mothership Zeta will not be available in any retail version aside from the Game of the Year edition. “Defy hostile alien abductors and fight your way off of the massive Mothership Zeta, orbiting Earth miles above the Capital Wasteland. Mothership Zeta takes Fallout 3 in an entirely new direction outer space. Meet new characters and join with them in a desperate bid to escape the Aliens clutches. To do so, youll wield powerful new weapons, like the Alien Atomizer, Alien Disintegrator, and Drone Cannon, and deck yourself out in brand new outfits, like the Gemini-Era Spacesuit and even Samurai Armor.” —official description Fallout wiki: fallout.wikia.com