This is a very well-made game with some clever puzzles.
That said, I don't like the randomized order of the tile types. I get that the point is to make the player adapt and not follow one solution, but some levels feel like they DO have one solution, and you're out of luck if you get the wrong tiles. I'm convinced that 3-13 is impossible unless you get very lucky with the right order of tiles.
Basically, the puzzles need to be much more forgiving if you want them to actually have multiple solutions.
But the graphics and sound are great! It doesn't look or feel like a game jam game at all.