Save the turret and save the battle, you can navigate around the map in order to check around the enemies, place the mouse cursor on the edge of the stage. Buy and construct turrets to defeat them click the turret on the panel and place it inside the building area. Every turret has its own system to upgrade itself. When all of these are done, the turret will automatically attack the enemies you can just click a building to activate all turrets in its area. Use the mouse to aim and left click to fire. Turret Defense 3D is an action game, available on www.flash-games.net, for your spare time relaxing and entertainment. Good luck!