Classic Sudoku Game for all! Nice Features, easy to play, hard to solve! The instructions are easy to understand and specific to each grid, The clues do not just give you the answer, they help you understand it. You will enjoy this clear, completely free Sudoku game. The input system is designed to make capturing solutions simple. no matter what your level. Hard Sudoku Classic is the most aesthetic, easy-to-learn and easy-to-use Sudoku game you have ever tested. How to play Sudoku: The goal of this Sudoku Classic game is to place the numbers from 1 to 9 on each square of the grid so that each number appears only once in each row, column and mini-grid. Features : • 3 perfectly balanced levels of difficulty • Automatic error checking option • Universal app perfectly adapted to phones and tablets If you liked our game, please don't forget to rate us with 5 stars!