Sudoku is the trending puzzle and game. Tredoku takes it a step further! It brings the fun of Sudoku into a new dimension: the third one. The Sudoku rules are applied on three levels instead of the previous two. While this may sound like a slight variation, it is actually a completely new challenge for players. Both hemispheres of the brain are engaged: the left, responsible for logical thinking, and the right, the center for creativity and spatial awareness. Whether in the beginner's book or the advanced one: in both, readers will learn everything about this fascinating game innovation and can dive into 100 tasks each. Tredoku brings the fun of Sudoku into the third dimension. Based on Sudoku rules, you will now puzzle on three levels instead of just two. It's a whole new challenge, as both hemispheres of the brain are required.