This game is a Sudoku game that you can play on your mobile phone free. As a fan of math games, you can't wait to start the game! Wait! Let me introduce you to the rules of the game. Fill in the blanks in the grid to ensure that there are no duplicate numbers in the horizontal-vertical and in each small grid. It is worth noting that you only have three chances to make mistakes. Of course, you can also use the hint button to help you solve the problem. Good luck!