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.
Destroy a series of boss motherships as fast as you can and save the Earth in this retro bullet hell shooter. Keep upgrading your ship to get more awesome firepower.
This is a pretty cool bullet hell shooter which uses the Stage3D technology. (It defaults to 30 fps but if you got a nice graphics card, go to Options / Graphics and turn up a notch to 60 fps for smoother gameplay.