Defend your invasion forces from attacking ships while they retake solar systems from a malicious computer virus. Use your special vessel, the Nautilus, to manufacture ships to assist you in the battle.
A nearby supernova explodes throwing you and your ship 500 light years away from home. Hunt down asteroids for required resources while protecting your ship from a fatal collision. Your fate is in your hands, good luck commander.
Shoot the incoming enemies to protect your base. Collect weapons and turrets that automatically fire on the incoming missiles. Push the turrets around the battlefield to take advantage of their range and abilities.
In the far future, Earth is destroyed by decades of war for resources. The survivors build huge motherships and depart for a journey to the stars, yet the human learn that they are not alone as they encounter the dreadful..