Place a digit one through nine into the 3x3 box, column, and row only once. Expert Sudoku puzzle games are still played and won the same way as all other Sudoku boards. This advanced logic is only for the most seasoned sudoku players who enjoy long, extremely advanced games which employ a lot of outside the box sudoku thinking.
Beautiful 24/7 Sudoku's Expert Sudoku is going to requre much more advanced technique to solve than in previous puzzles on the site.
