Free Printable Hard Sudoku Puzzles!
Whether you want to complete your daily sudoku without Internet connection or simply want to relax with a printed sudoku puzzle, printable-sudoku.net is your source for FREE and PRINTABLE Hard Sudoku Puzzles!
Instructions
Click on the Generate Hard Sudoku button. Then, simply click on the Print My Hard Sudoku button and print the sudoku. Enjoy your printable sudoku!
You may generate and as many easy sudoku as you want!
Don't forget that we also offer other difficulties : Easy Sudoku, Medium Sudoku and Very Hard Sudoku.
About Sudoku
Sudoku is a popular Japanese logic-based game. Although it consists of a grid filled with number, it does not require any mathematical skills. Sudoku is a great way to help with concentration and reasoning. You may read more about Sudoku on Wikipedia.