This is one of the hardest logic puzzles to play. This game is like Rubik's cube only with pictures. The picture is mixed and can only be move like Rubik's cube. Its the best game to activate your brain and increase your IQ and logical reasoning abilities. There are many thinking riddles, from 4 squares and up to 192 squares. So test your brain with this ultimate challenge. We have another Rubik's cube with easier levels, more like usual Rubik's cube with colors. So check developer page for this.