UFO vs Tanks

UFO vs Tanks will put your defense and shooting skills to the ultimate test.  If you fail the test the city will be destroyed.  But you are good enough to protect your city in the UFO vs Tanks defense game.  Don"t let the invading alien ships get past your defenses.  Use your tank and your cannon and blast your rockets into the air.  As the bombs explode you can create a chain reaction that will kill multiple alien spaceships.  The city is counting on you.  Don"t let them down and see how long you can last in the UFO vs Tanks defense shooter.