3D Cube Puzzle is a 3-D combination puzzle. For the puzzle to be solved, each face must be returned to have only one colour. Game Options: [1] Shuffle All at start. [2] Restore 1 Layer at start. [3] Restore 2 Layers at start. [4] Restore 2 layers with 3rd layer build cross. [5] Restore 2 layers with 3rd layer top surface. [6] Manual Shuffle.