rio game

With a separate sudoku book for every level, all puzzle lovers can play this wildly popular, incredibly addictive game that’s appearing in major newspapers all over!  Taking a page from karate–another Japanese art–each title is graded by color: White Belt for easy, Green Belt for medium level, Brown Belt for hard, and Black Belt for the super-tough solvers. And because each book has an amazing 300 puzzles, the fun can go on for hours.

 

Sudoku for the super-smart! Mensa members are known for their finely-honed logic skills—and that’s just what it takes to become an expert at sudoku. So it’s no surprise that this organization for the highly intelligent has put together a huge collection of these sizzling-hot puzzles—a whopping 534 games to sate the obsessed solver’s craving. They start out relatively easy for the newcomer, and get harder (and more fun!) as you go along.