A UFO has landed near Area 51, ready to attack America's most secret military compound... and to take back the flying saucer that crashed near Roswell, New Mexico.
Destroy the UFO threat as it sends a steady stream of giant plasma shooting robots towards your air force base.
Take down the enemy with your machine gun and missiles, or even ram them if you get desperate enough.
Tags: air force flying saucers shoot , military attack robots , automaton2015 , 2015 automaton robots attack , automaton 2015
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