Free hard sudoku printable puzzles
Print free hard sudoku puzzles, in PDF or HTML. You can print 4 or 6 puzzles per page and print the solutions (or find them online to save paper).
Find the solution of sudoku printable
How to print hard Sudoku puzzles?
Start by selecting the number of puzzles: print 4 sudoku per page or 6 sudoku per page. (You can also change the level according to: easy, medium, hard, expert, evil)
Then choose the print format: PDF or HTML.
And finally choose the options: print with or without QRcode (to quickly find the solutions on mobile) and with or without the solutions (think about saving paper by finding the sudoku solutions online).
In addition to the 9x9 puzzles, you can also print 4x4 sudoku or 6x6 sudoku.