Your art isn't bad, sorry if I came off as mean. The art does a good job in relaying information to the player. The multiple art styles with the title screen and in the puzzles themselves just threw me off. I have the same problem with Celeste. I finished the first 3 puzzles and got stuck on the fourth. The complexity does ramp up pretty fast but you do a good job of managing that difficulty curve (something you did much better than me).