What would the marriage of Sudoku and a Rubik’s Cube look like? – TalLee Perfect Sphere This is the FREE version of TalLee Perfect Shpere.Challenge your mind while having fun creating the "Perfect Sphere". The game board is a 3D sphere with six color distinct faces-each containing 9 numbers. By moving the numbers around, the challenge is to make the sum of the 9 numbers on each face of a 3D sphere equal to an automatically set goal – but, is it really that easy? Once you try TalLee, you just can’t quit! The game has 3 difficulty levels. The FREE version, however, only has the EASY and EASY START levelsIt also has an easy start mode, which helps new players learn useful game strategies.