Galactic Missile Defense Steam CD Key

The year is 2015 and humanity has made a big step: The Pry Rover has successfully landed on Mars, roaming in the Red Planet's desert in search for any evidence of life form. Unfortunately, scientists didn't like what the mobile laboratory found, the inhabitants of Mars got infuriated by the ultra robot's presence and it is up to you to save the world from the upcoming alien threat! But you are not alone, your bases can be upgraded to deadly machineguns or bring up the heat using their ultra-c...