PentaGun is a fairly simple game requiring quick reflexes. The
main goal of this game is to just shoot down the balls that are
falling down the screen. And to do that there are five guns
provided. The five guns are fixed at the bottom of the screen,
and the idea is to shoot down the balls before they hit the
guns. Tap on the gun and it will fire. Since the guns are fixed,
the bullet trajectory is also straight ahead; you can also fire
bullets by tapping on the screen, corresponding to the path of a
particular gun.  Keep firing at the balls to keep your scores
high. If you miss a ball, you will lose a life. There are three
lives available in the game.  But danger comes in the form of
the flickering red ball. If you fire at it, the game is over!!!
So as you fire at the other balls, keep an eye on the flickering
red balls that could mean the end of your game.  There are,
however, two bonus balls to help you out. The sparkling green
balls will restore lives – fire on them to get back any lost
life. There are also