Sudoko Challenge

No open game boards. Start New Board

• Click or use arrows to move between boxes.
• Pencil marks are made by typing in #'s into the boxes. To clear a pencil mark, retype the #.
• Pen marks are made by holding the shift or control key down and entering a #. If the # is incorrect, it will light up red within a minute.
• Your opponents board is located below. Green squares indicate a correct move, Red indicate an incorrect move.