Hey, those were some interesting puzzles! good job on coming up with those , I liked the cliff hanger mechanic. I think puzzle 3 was really built well on the difficulty curve, 4 was a bit hard, and I didnt manage to solve puzzle 5. I wonder if removing all the shapes on a chosen side is a must for the puzzles or you can be more forgiving and allow deletion of 1 shape at a time. Nice take on the theme.