Sudoku 9x9 Profi - Here is a well known definitions of this puzzle: 'Sudoku is a logic-based, combinatorial number-placement puzzle. The objective is to fill a 9×9 grid with digits so that each column, each row, and each of the nine 3×3 subgrids that compose the grid contains all of the digits from 1 to 9. The puzzle setter provides a partially completed grid, which for a well-posed puzzle has a unique solution. This Sudoku_App is a very special one. It uses a computerized programmatic method capable of generating as many as 4.354.560 solution grids. The quality of this app is that each one of the generated solution grids has a unique solution. This is the most important property of a well-posed Sudoku-puzzle. The Sudoku-Apps I know of, are able to show maximum 50 to 1000 grids and many of them have more than one solution, which makes them impossible to be solved. Most of the puzzles of this Sudoku-One-Solution-App require a certain ability. It may happen that some of them are a little more difficult than the average. Because each puzzle has one solution only, the user will always dispose of sufficient data to solve it. If you are a Sudoku lover, this app will give you a lot of enjoyment. If you are new to Sudoku, watch out! You will love it so much that you will risk becoming addicted to it! Another important feature of this Sudoku-Profi-App is that it doesn'require internet connection!