Beaten Rubik\'s Cube? Test your wits against 60 mind-bending logic problems set by puzzle experts, from Sudoku and Hanjie to mazes and pattern-matching.
Train your brain and take up Rubik\'s next challenge!.
Beaten Rubik\'s Cube? Test your wits against 60 mind-bending logic problems set by puzzle experts, from Sudoku and Hanjie to mazes and pattern-matching