Free Difficult Sudoku Puzzles
The skill level for this set of Sudoku puzzles is difficult. These puzzles will train your brain and improve your problem solving skills. Try using the answer key if you are having difficulty solving the Sudoku game.
Difficult Sudoku printables were made with printing in mind. Start by selecting the Sudoku puzzle you would like to print. You will then be presented with two printing options for the puzzle you selected. The first option is to download the PDF version of the printable Sudoku puzzle. PDF files will produce excellent result in terms of quality. The other option is to print your screen. Choosing this will print the large GIF bitmap image of your Sudoku. Either option will have you playing the games in minutes.
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