Free Printable Evil Sudoku
The fewest clues we generate and the deepest chains — this is Sudoku at its most fiendish. Bring patience and a sharp pencil; it still never needs a guess.
Four evil grids per A4 page (around 17–20 given numbers), with an optional answer key — hardened solvers who want the ultimate paper challenge.
A sample evil grid — your PDF gives fresh puzzles each time.
How to print your evil Sudoku
- Click Generate free PDF — the Evil difficulty is already selected.
- Optionally tick Include solution page to add an answer key.
- Your browser opens a print-ready A4 PDF with four puzzles. Print it, or save it for later.
- Grab a pencil — every puzzle is solvable by pure logic, no guessing.
More printable Sudoku
Printable Evil Sudoku — FAQ
Are these printable evil Sudoku puzzles free?
Yes — the PDF generator is completely free, with no account and no watermark. Print as many evil puzzles as you like.
How many puzzles fit on a page?
Four Classic Sudoku grids per A4 page, sized for comfortable pen-and-paper solving. You can also add a matching answer key.
Do the printed puzzles have a unique solution?
Every puzzle is generated with exactly one solution reachable by logic alone — you never have to guess, on screen or on paper.
Can I get the solutions too?
Yes. Tick “Include solution page” in the generator and the PDF adds an answer key after the puzzles.