PRINTABLE SUDOKU - HARD

Here are a few more free printable sudoku puzzles - DO NOT WORRY IF ONLY 3/4 OF THE PUZZLE APPEARS ON THIS PAGE - these columns are just a little tight - once you click on the puzzle you'd like to print, the puzzle's image will open full-size and it will appear - and print - completely...just press CONTROL and the letter P on your keyboard to do so...

We hope you enjoyed printing and solving these sudoku printable puzzles - click in the categories alongside to print and solve many more free sudoku puzzles to print.

Here are some new puzzles for you to click and print...and solve... these too are classified as difficult puzzles...

The puzzle below is an extra hard killer sudoku - Fill the grid using the numbers 1 to 9. Each number must appear just once in every row, column and 3x3 box. The digits within the cells joined by grey lines add up to the printed top left-hand figure. Numbers within the grey line boundaries cannot be repeated. Good luck!