The Earth Defender is a massive attack asteroid, meteor, comet and alien thing. As a player, we must protect our earth at all cost. With our latest technologies, we can freeze time to slow down the attack so we have much time to counter attack the asteroid. When everything go bad, when so many alien thing attack our earth … its time to use our powerful shield weapon. When this weapon enggaged, every alien thing would destroy before come any closer to our earth. But player must remember, each super weapon has their time limits. Used it wisely … God Speed!!!