In 9012, The earth is disturbed by digital frequencies from outer space planets, leading to the reversal of day and night and the constant occurrence of disasters. At the moment of crisis, the invisible guardian came, driving the most advanced aircraft and weaponry on the Earth, fighting with the planet from outer space, to save the Earth depends on you! Playing Method: The single finger drags the plane to avoid the collision of the planet, the bullet will automatically launch, eliminate the number on the planet, until the clearance. As the level escalates, you need to upgrade your weapon level continuously and gain greater attack power, because the planets in outer space are not a mess. Good luck, invisible guardian! Features: Wonderful outer Space Planet, you've never seen it before; The strong bullet emits the tremor, the truth you have never experienced; Advanced aircraft weaponry, the high-tech you've never had; Unique and creative Game design, the level you have never challenged;