A level select feature would be greatly appreciated, but otherwise, great game! I had a lot of fun playing this, and the mechanics are intuitive but deep enough to make room for interesting level design. I really liked the pair of levels near the end which had nearly the same layout but differed in a small detail that made it require one extra ball to solve.
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Thanks for the kind words! :) There’s a few more levels I’d like to add to this version, and I’ll look into adding a level select afterwards. It’s always a bit of a pain to add it to the exported game, which is why I just opted for a level skip this time (but admittedly, that’s a little annoying to use with over 30 levels).