Eliminate the invading force intent on taking Space Station Xorbe in Earth's orbit. If the station is captured then it will become a staging ground for the invasion of Earth itself. You have a huge arsenal of weapons and defensive mechanisms at your disposal - use them wisely and you may prevail.

Collect nanos to keep your station operational while avoiding assaults from enemy bots. Keep an eye on your energy and health meters! Harvest nanos of the same color as your beam while avoiding other colors. Gather glowing white nanos to restore health to your damaged systems while unarmed...