New York Post Wicked Su Doku: 150 Difficult Puzzles

The New York Post presents a collection of 150 wickedly difficult Su Doku brain teasers for dedicated fans of the utterly addictive number-placing puzzles.

The official utterly addictive number-placing puzzle

Something wicked this way comes! These all new Difficult puzzles will push you to the limit. More than just hours of entertainment, Su Doku engages your mind, improves your concentration, and helps you stay mentally fit. With 150 brand-new puzzles to complete, you'll become a Su Doku master in no time!