Your mission in this defense game is to protect your MCV from enemy attackers. Destroy enemy tanks to earn money and use the money to build defense towers, buy units or upgrade your MCV. Your MCV is movable and can crush enemy tanks after upgrade. You can select towers, units or powers from the menu on right side. You can build towers only near your MCV. Use YOUR MOUSE to control your units and use WASD KEYS to scroll map. Good luck!