Neat idea, the presentation was meh, some music would go a looong way, as for the gameplay, it felt pretty boring and frustrating a few markers like where the "gun" is located and where your last shot was would be awesome and make the game much more enjoyable, also, a "how to play" section would be great, as it took me quite some time until I realised that the speed of the "missles" was based on how far from the "gun" I was pointing, perhaps a "power gauge" or osmething similar showing you how fast the missle will be would be nice
Overall, good idea but some lacking execution :/