I originally gave this game 4/5 stars because there are some things to work on. Then I found out that I can wear a kitten on my head. I would like to change my rating to 12/5.
I very much liked this game. It's a little "mind-numbing" combined with a real challenge. Not sure if you made this game with the intent of a soothing experience, but I found that worked. I also liked the option of color change and background. My only complaint is the music. It got very annoying after a while. I would have liked to have a choice in music or at least a mute button. Overall, 4/5; my hat's off to you. I will be coming back to play soon. :)
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