Sudoku game has never been so exciting and interesting as this Sudoku Kingdom game. In this game you can choose the difficulty level before starting, it can be an easy, medium or difficult level, but also an expert level that can fit for professional players. And in this game, the main thing that you will need to do is to fill the empty cells with numbers from one to nine, and after doing it you need to check if they repeated in three by three squares as well as in horizontal and vertical lines or not. So they should be used only once in each of the 9 squares. This Sudoku Kingdom shows you your proficiency and you are able to spend your free time with our online Sudoku games with pleasure!