Difficult Printable Sudoku Puzzles

These hard sudoku puzzles have far fewer clues than the easy or medium difficulty puzzles on the preceding pages.

Difficult printable sudoku puzzles. All the puzzles in this page are rated very difficult. Printable sudoku puzzles rules of sudoku. A sudoku puzzle consists of a 9 by 9 grid. 7 5 8 6 4.

This grid is subdivided into nine 3 x 3 boxes. All our grills are hard sudoku game with a single solution. Easy medium hard expert more difficult and evil very difficult. The rules are quite simple actually.

The general rule with sudoku puzzles is that as the number of starting clues in the puzzle goes down the difficulty in solving the puzzle goes up. Print 4 or 6 hard sudoku per page as a pdf or html depending on the calibration of your printer. Printable hard difficulty sudoku puzzles. Hard sudoku of the day.

To play online or print a puzzle click on its image. Print 4 to 6 free puzzles sudoku per page and 5 levels. The hard part lies in solving the puzzle. Here s a summary of the rules of sudoku in case you ve never played before or need a refresher.

Very hard printable sudoku puzzles. Each grid has a number hard to find the solution online and save paper in the printer.