The game has a couple of hours of playtime, it's pretty repetitive, and it looks poorly done. Also by your logic a game where you only have to press a button without any objective for 120 hours should cost 120 bucks.
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Minecraft has a pixel art and voxel style, that doesn't mean that the graphics are poorly done. Personally I don't think it adds anything to this game. And even if you wouldn't mind the graphics, the game play is not good either, and even if you would like the way it looks and have fun with it, my main gripe it is about the price, it's just not worth that amount.