Lead through a action packed fast paced tower defense game with a story of an invasion on your homeland by a large foreign force and as a newly appointed commander do what you can to help your country fight back and defend against this enemy force which is approaching from the country side deep into the populated cities of your home land. With a world war breaking out and your own country being invaded you are the person chosen for the job of defending your country with what little resources you have, show your country that you are up to the desk of keeping the people safe. Full 3D tower defense game with land and air units many different from the last with varying features and abilities and a large selection of weapons including high-tech top secret weapons with deadly abilities! Fight through a story line as you Commander Jack help fight for your country through countryside, town and the large cities. System Requirements Windows MINIMUM: OS: Windows 7 Processor: Core 2 Duo Memory: 2 GB RAM Graphics: Geforce GT 460 or Radeon HD 3800 DirectX: Version 9.0 Storage: 2 GB available space RECOMMENDED: OS: Windows 7 Processor: Core 2 Quad Memory: 4 GB RAM Graphics: Nvidia GTX 760+ or Radeon HD 6950 DirectX: Version 11 Storage: 2 GB available space Mac OS X MINIMUM: OS: 10.8+ Processor: Core 2 Duo Memory: 2 GB RAM Storage: 2 GB available space RECOMMENDED: OS: 10.8+ Processor: Core 2 Duo Memory: 4 GB RAM Storage: 2 GB available space SteamOS + Linux MINIMUM: OS: Debian Based Linux Memory: 2 GB RAM Storage: 2 GB available space RECOMMENDED: OS: Debian Based Linux Memory: 2 GB RAM Storage: 2 GB available space