These 100 new puzzles—from easy to fiendishly difficult—come with a warning: They are seriously addictive.

You don't need to be a mathematical genius to solve these puzzles; it is simply a question of logic and a little patience.

Beware of pale imitations. These are the original and official Su Doku puzzles by Wayne Gould-New York Post's Su Doku puzzle master and one of Time magazine's Most Influential People.