Watch the official trailer for Automatron, the first game add-on for Fallout 4. Automatron will be available on Xbox One, PlayStation 4, and Steam on Tuesday, March 22.

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The mysterious Mechanist has unleashed a horde of evil robots into the Commonwealth, including the devious Robobrain. Hunt them down and harvest their parts to build and mod your own custom robot companions. Choose from hundreds of mods; mixing limbs, armor, abilities, and weapons like the all-new lightning chain gun. Even customize their paint schemes and choose their voices! Enjoy the video.

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