I really love this game! The art style and music felt very fitting.
I appreciate how it was super easy to pick up all the mechanics without any tutorials (besides having the note on pressing "R" to roll, and clicking to move). The only thing I failed to realize the first go around was that the key unlocked the door (In the 2nd level, I picked up the key just because it was a shiny item and didn't realize it was consumed when I went over the door. Then in the 4th level, I got 1 key and figured the keys were just optional items since I wasn't punished for collecting both. Then I was promptly punished in level 5). If I had been more observant, I would have picked up on it in the 2nd level, haha.
This is definitely one of the most fun games I've played in the jam so far, and the length is perfect for a jam game (though I would have played more, if there were more levels). Great job on this!