Sudoku Classic (No Ratings Yet)Loading... Puzzles juancarlosmonzon@gmail.com 13 Jul , 2025 0 PLAY NOW! GAME INFO 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 9x9 box. To delete a number using the numeric keypad in the game, you must enter the number again.