Sudoku16 is a complicated version of sudoku, destined for real puzzle lovers. In it you must compare numbers on the game board to arrange them according to the rules.

The rules are as follows. Each row, column and subgrid comprises the numbers 1 through 16 or letters A through P or anything else. The attraction of the puzzle is that the completion rules are so simple and yet the overall task can be difficult. Sudoku is recommended by some teachers as an exercise in logical reasoning. This game also can be used as Sudoku solver. It is easy to solve your sudoku puzzles and try to find right solutions for any game combinations.