Someone has ordered swarms of tanks, and you're just one man, but you can do it. Hop in your tank and defend your border - if you don't, you will die. The stakes are high in this fast-paced defense game, so get started now and try to keep your cool under fire. In order to kill your enemies, press or hold the left mouse button. In order to move around, use WASD or the arrow keys. Your tank can be upgraded and should be. Go ahead and destroy all the tanks before you die.