The art and audio is nice and consistent, music is pleasant to listen to while playing.
Collecting all 8 secrets was fun, had to do some cool optimizations to make sure I had enough loops.
Jumping on top of yourself repeatedly until you get enough height looks like it's the most powerful solution to a lot of the puzzles, but isn't as fun as optimizing the loops.
The loops having a minimum length means a lot of waiting around, either for a loop to finish or to bank up enough time to make a loop more consistent.
The controls were responsive, but a bunch of the levels require squeezing through or across one-tile-thick gaps, which leaves not much room for error and feels a little too precise when I think the puzzle element is stronger.