abstract, aircraft, android, art, assault rifle, atlas, battlefield, bed, bender, binary, black background, bracelet, cg wallpapers, chell, city, code, fight, fire, flame, formula, futurama, girl, gun, head, heavy weapon, holds, laser, laser beam, machine gun, man, mecha, metropolis, model, nanosuit, of the data, one, p- body, people, portal, portal 2, protection, quest, r2d2, rays, rifle, robot, robot battle, robots, rocket launch, security, series ., shield, shots, skeleton, skull, spark, star wars, suit, tattoos, technology, terminator, town, valve, wallpaper., war, weapon, wire, wrapping, zero