I started out liking this pretty well but soon got annoyed. First off, there was nothing to let you know you had to complete the puzzles in such a way that you earned a star. I saw checks when I finished some puzzles and thought that was good, then saw a red star and thought I'd somehow done something wrong. It wasn't until I reached the end of the pack that I figured out I needed red stars on a certain number of puzzles to go further. This was also not the first puzzle pack so I'd gone quite a way without realizing. Then, with no instructions to clue me in, I realized/figured out that you needed to complete the puzzle within a certain number of "cuts" to get the red star. Okay, fine. If I'd known that from the start, I'd have been more careful. I appreciate the thought that went into these puzzles but, the further I go in the game, the more I find that I'm just playing around trying to make the cut just to the precise point where the right percentage of the object will fall/fly/whatever at just the right angle, etc. It is more nitpicking than puzzle solving. I'm at the point where I'm ready to delete because the fun-factor is gone (and I'm someone that usually can't put down a physics puzzler).
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