Sudoku is a very common and popular game nowadays. Sudoku puzzles are posted up in web sites, newspaper, magazines and there are even books. We are very interested in this game and we all love it. We would like to share our joy in playing Sudoku and also help promote this wonderful game. We know that some people may not know how to play Sudoku, so we also made some brief information about Sudoku. We hope every one in the world will have an opportunity to try this marvelous and interesting game.