The game lacks a bit of friendly onboarding. Just dumping an instruction manual in the player's face makes it hard to get into, which can easily lead to frustration and a quick loss of patience.
THAT SAID, the level design is absolutely brilliant and super fun to play! The audio and art are top-tier, and I'd give the level of polish a solid 9/10. If you ever add more levels and a proper, gradual tutorial, I would gladly buy this on Steam! Great game!
Oh, by the way, it would be awesome if you could add a preferences setting for the mouse controls. The game automatically keeping the block selected after a move really bugged me. I prefer clicking to select the block every time I want to move it, as it makes me feel more in control. I bet I'm not the only one who feels this way, so having a toggle for this behavior would be hugely appreciated!