Yes, it is indeed a game, as has been said.
Beyond that, what's to say? Not much, good anyway.
Wholly uninteresting and in fact, downright awkward. Very easy to shoot the wrong direction. Tricky to shoot the intended direction. Plus, all the game pieces are miniscule.
What's with these background images that are just screen captures of Useless Software, ltd.'s 'Helios' screensaver, uncredited?
A sound effect or two snatched from Ambrosia Software, uncredited.
Music snatched from Philip Glass. Okay, but doesn't fit the game.
(Useless Software, ltd.