You are the Overseer of a deep space mining operation, scouring the farthest reaches of the Solar System for valuable resources. It would be a peaceful job but for one thing: a vicious, mysterious alien race is violently contesting your claim to this territory. Now, as you harvest precious energy, you must also fortify your station, build up your firepower and defend humanity's domain on this new frontier! Features Construct weaponry and mining tools using an intuitive tower defense style interface. Design and power vast networks of structures, then defend them against alien incursion! Earn upgrades and unlocks for your space station to increase its power and abilities! Enjoy the story-based campaign mode where you are humanity's last chance for survival. Play one of the freeform, endless modes and compete with other players worldwide using the online leaderboards. Mission mode provides quick tactical challenges. Beat a scenario to earn achievements! Full OpenFeint integration provides multiple user profiles, complete offline support, online scores and lots achievements to earn. Awesome music & sound effects by Earcom! Source: The Game Website.