Your mission in this game is to take a role of the commander of the anti-air defense in the area. The enemy is invading from the open sea with enormous battle groups of bomb-armed balloons. You can establish defense structures and call air raids to push the enemy back into the sea. Win battles, gain experience, level up and use your commander points to gain access to upgrades and various weapons. Use YOUR MOUSE to aim and hold LEFT MOUSE BUTTON to fire. 1-9 NUMBER KEYS calls air raids / paces buildings. Good luck, Commander!