Missile Defence (RealPersonMaybe)

A simple acracde-esque game, with the even simpler goal of getting the highest score! Enemies come in waves, with each wave becoming more deadly than the last. The more enemies you shoot, the more points you get the more cities remain after each wave, the more points you get. You play the part as a railgun, which inexplicably shoots missiles, tasked with defending 4 cities. Your missiles are slow, and their supply is smaller, every shot counts. Accurracy is a necessity, as your missiles dwindle in comparison to the amount of alien invaders, a single missed shot could result in the desctruction...