Game background, there is an evil organization ESP, ambitious to want to control the Earth, and he has trained a cold-blooded killer robot team, many of these cold-blooded killer robots attack on the World, the Earth into limitless panic ; in order to eliminate these cold-blooded robots and the destruction of evil conspiracy of the ESP, the Earth Defense Organization began a counterattack. The future of the world will be, you, I do not know, only after the eradication of the robot have a bright This is a killing machine invincible version of the game, modified to restrict its life! So do not worry about your own life is not enough Oh!