With improved features and more interesting achievements, this second game from the series is a very exciting one. The pesky astronauts have invaded your lawn and you are the one who has to take the initiative to get them off. Playing as the alien you will be required to use advanced weaponry system to stand up against the astronauts. Beat every level of the game and always bear in mind that you are supposed to eliminate all the enemies. There are 50 well-designed levels in this colorful and exciting online game. Be quick to complete each level in order to earn maximum scores.