Use your weapons to battle through one hundred waves of drones to Get The Heck Out of the space base. You will start off weak, but gradually become very powerful. At the beginning of each level, collect one upgrade. Occasionally receive a permanent upgrade that will remain with you through defeat.

Use your weapons to battle through one hundred waves of drones to Get The Heck Out of the space base. You will start off weak, but gradually become very powerful. At the beginning of each level, collect one upgrade. Occasionally receive a permanent upgrade that will remain with you through defeat.