@Eternal_Rest, sorry about the CAB; I just thought that would be the easiest way for people. And I completely agree about balance. Difficulty, though, that all depends on how much score you want, I guess. Should be more balanced though, no doubt.
@patrikspengler, thanks! I appreciate the kind words.
@caranha, thanks for taking the time to write all that out, and also, thank you for your kind words. Your suggestions are certainly good ones and will probably all come through in the Android version I plan to continue, but sadly, they were a bit too much to accomplish in the few hours I had (I was a way-late starter). On the resolution issue, I didn't know how elegantly I could 'portrait' a full-screen on a standard PC monitor (never tried that form of letter-boxing). The high score table would have been preferable to none, but I simply didn't have the time. As for explosions, oh don't I know it. Sorry about that; horrible oversight. Also, the player was meant to be "converted to a painted-up star-ship, but alas, no time. I think I could have done this a lot smoother if I had the full 48 (or 72) to work with. Perhaps I won't make such noobish mistakes next time.