With the game Sudoku Classic, you can earn crypto just by playing and having fun. Classic Sudoku Game. Click on a cell to enter a number. You can enter numbers from 1..9. Every number can only occur once per row, column and 9×9 box. To delete a number using the numeric keypad in the game, you must enter the number again. mobile To earn crypto with Sudoku Classic, you need to start the rewards timer here and enter your crypto wallet address.
