Expert drills

Hard Sudoku puzzles with answers PDF

Kick things up a notch with Pure Sudoku’s hard and expert generators. Export thick-stack PDFs that include
both the wicked puzzle and the exact solution for grading or walkthroughs.

Printable Sudoku

Generate ready-to-print puzzles with answer keys in a new tab.

Difficulty

Ready to generate a printable puzzle.

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Enjoy the full game experience on your iPhone or iPad with exclusive features and offline play.

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Ready for classrooms and clubs

Pure Sudoku’s advanced generator ensures every hard grid has a single solution and calls for tactics like
X-Wing, Swordfish, and chain logic. Each PDF includes the finished board so you can review the deduction path.