The main aim of this advanced turret defence warfare game is to prevent the enemy troops from reaching the northern part of the map. With 12 units, a complete storyline and over 50 waves this game will simply amaze you.Controls:Use the mouse and the keyboard to control this game. Some handy shortcuts: C (construction area), H (health on/off), M (mouse scroll), G (global zoom) ,spacebar (cancel turret construction), R (repair turret), S (sell turret).