This series book has the purpose of providing applicable training materials to learners of Visual C # language. This book is dealing with the widely-known Sudoku game. I constituted this book so that you can learn the methods of C# by creating a Sudoku game. By using its own search method, and is trying to shorten the execution time. This description has been written using Visual C # of Visual Studio 2010 Express. This book is written for the engineering course of university.