Sudoku – the world famous Japanese puzzle game. If youre a fan of mind games – you will be delighted with this game. Your task – to fill all cells of the game numbers. But to fill them, so that neither horizontally nor vertically, nor in one square no digit is repeated twice. And to do it quite difficult. But this is a great opportunity to learn how to calculate several moves ahead. The app has almost no options, but to choose the difficulty level you can always.