There are lots of physics based free online shooting games on the internet. Army Destroyer is one of the best. You have your bombs and guns at the ready and the enemy tank is in front of you. Use your mouse to aim your shot and use physics to angle the perfect shot and perfect strength to take out the tank. You only have a limited number of shots to use in the Army Destroyer game so make sure you take the best shot you can. Try to eliminate the entire tank with as few shots as possible in Army Destroyer.