Your mission in this Tower Defense like game with strategy elements is to protect your Command Center against invaders by building turrets around it. You earn money from the Gold Mines. Each Gold Mine produces 6$ each 5 seconds. Count of mines you can build is limited. Use LEFT MOUSE BUTTON to select defenders on the right side of the screen. Choose place on the map to build defender and click LEFT MOUSE BUTTON to place the unit there. You can press SPACEBAR to cancel building. Good luck!