Bowmastery Zombies is a fun and interesting game that both kids and adults will enjoy a lot. The scary zombies are your job to kill.
You only have a certain number of arrows to use to clear each level, so don't waste them before you've killed all the zombies. The more accurate you are and the less you use, the more stars you get, from one to three. This also affects your score, since you get points at the end of each level.
Have fun and good luck!