Fairly good.
Okay, don't hate me, but I didn't beat your game, and I normally don't like reviewing games I don't beat. But I think I get the feel of your game after just a couple levels, and that's a good thing. Sure, the graphics were weak, very weak, but it's a puzzle game so that doesn't matter. I liked the fact that you could adjust the music to suit your tastes and even mess with the brightness level in the game, which was a great idea. Actually, speaking of ideas, the one behind this game was good. I can definitely see how a lot of people are going to be pulling their hair out over this one. I, personally, am not a big fan of such games, but I know many people who are. So, solid idea, poor graphics, strong music, and simple, at first, gameplay. That adds up to a thumbs up from me.