The game of Su Doku is a game of logic where you have a table of 3 by 3 boxes, the rules are simple - each number from 1 to 9 should be used only once in each row, column and 3 by 3 square. As well as featuring this traditional form of Su Doku, Su Doku Master has also added some new twists using just symbols and tiles adding even more fun and variety. Featuring over 10,000 puzzles with each game having 3 difficulty levels - easy, intermediate and difficult, making it suitable for a wide age range and for amateurs and enthusiasts alike.