This is a very lovely game with a wonderful concept -- definitely kept me engaged. Played all the way to the end ! My only criticism for this as a jam game is the difficulty between puzzles isn't exactly consistent or linear -- certain boards were just too easy despite the implied challenge of increased tiles. Otherwise, it's well-balanced -- it never felt like I was being cheated of a win or wandering aimlessly. The commentary and flavour text was also very endearing and provides just enough insight to the puzzle to give you an idea but not hint outright what should be done to solve them.
Overall, I'd rate it a 4.7/5 as a puzzle game !!
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Thank you for the thorough comment!
The difficulty was definitely a bit jagged - the tiles themselves have a major impact on how difficult a level can be. There are two levels which are off-the-charts-difficult IMO, but I put those at the very end of the original and bonus levels respectively, so the user really feels satisfied when solving them, being rewarded with the completion of the game.
The commentary was only intended to be hints at first, but I couldnt stop myself from adding some text to every level :)