9x9 Evil Sudoku
Tough Sudoku puzzles for experts! Download and print these free 9x9 extreme level puzzles to challenge your brain and improve your problem-solving skills. Great for people who love a difficult mental challenge.
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9x9 Sudoku - Evil - 25
9x9 Sudoku - Evil - 23
9x9 Sudoku - Evil - 8
9x9 Sudoku - Evil - 6
9x9 Sudoku - Evil - 39
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9x9 Sudoku - Evil - 37
9x9 Sudoku - Evil - 36
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9x9 Sudoku - Evil - 26
9x9 Sudoku - Evil - 22
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9x9 Sudoku - Evil - 19
9x9 Sudoku - Evil - 18
Basic Rules / How to Play
- Grid Size: The puzzle has 9x9 grid size made up of nine 3x3 sub-grids.
- Unique Numbers: Each row, column, and sub-grid must contain all digits from 1 to 9 without repetition.
- Pre-Filled Numbers: The numbers given at the start of the puzzle must remain unchanged.
Need Help?
If you're stuck or want to learn advanced strategies, check out our Full Sudoku Guide.
How to Download & Print
Click the puzzle thumbnail to open the printable PDF. For the best results, select "Fit to Page" or "Scale to 100%" in your printer settings.
Need Help?
To get started, check out these instructions, goals and rules for how to solve Sudoku
How to Download & Print
Click the puzzle thumbnail to open the printable PDF. In the print dialog, ensure "Actual Size" is selected for the sharpest grid lines.
