Once the Zombie is ejected from the cannon you just have a few seconds to shoot him and that is when you get your points. Thrilling horror graphics with a large amount of zombie blood every time he gets shoot is what makes this awesome game worth playing. There are 20 levels to complete and on each level you get new points depending on how was your aim and the number of times you managed to shoot the zombie in his head or body. Here is also a nice tip, if you aim high with the cannon you can shoot the Zombie while he is in the air, and that will make him bounce higher every time he hits the ground. Zombie Cannon is a widely popular free online action game and once you are go for a ride you just can't stop playing until you complete all levels.