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I like it. I haven't seen any of the problems anyone has mentioned so far. It's a little too easy and could use some kind of clicking limits, or maybe giving an extra star or some different award if you finish a level in a certain number of clicks. What bugged me the most is that "Restart" doesn't restart the current level, but takes you to the menu, although it's nice you did give us that "R" hotkey. I can't understand why its rating is under 3. 4/5.
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The way the movement is set up is really, really annoying. I've finally just decided to stop because I just spent a good amount of time beating a level, and I'm about to finish it when a box that I need gets stuck on the wall and won't move off since all I can do is click, thus making me need to restart the level to beat it. That's a really, really big pain in the ass. The clicking mechanic needs to be far more polished before placing it in a game like this.