Space Fortress Defense In this amazing 3D game you will need to defend the planet of Pattole by adding towers that will shoot directly at your enemies. In order to buy ammunition you will need to earn gold so you can attack the enemies. Make sure you give what it takes to defend your civilization! It sounds easy, but its not! Are you up to the challenge? ✓ 14 Levels (first 4 are included without the need of inapp purchase) ✓ Over 190 chapters in 14 different scenarios.