It fits the theme and it looks charming, but once you figure out how it works, you can take out entire screens worth of ghosts in one shot. Needs more meat on the bones, if you'll pardon the expression.
Yeah, that was actually intentional. It's supposed to be more of a puzzle game, as you try to clear it with as few arrows as possible. Unfortunately, by the time I was finished with the core mechanics, I didn't have enough time to flesh it out.