A probe lands on Mars with devastating effects. War is declared on earth by an evil martian race and it is up to you to save the the human race from extinction. The goal of the game is to destroy as many incoming enemies as possible, and at the same time, survive countless waves of aliens. In order to defeat the enemy, you can only rely on your reflexes and power-ups that upgrade your weapons or increase your shields. You will also have to learn to develop different tactics for different enemies. The space shooter is back!