Evil Sudoku Book — 100 Printable Puzzles
Around 100 evil sudoku puzzles in one PDF, with a cover and full solutions. This is a punishing book for hardened solvers — a month of the toughest, most technical grids we generate, each with one logical solution waiting to be earned.
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96 puzzles
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Frequently asked questions
- Is a 100-puzzle book too many to print?
- Not at all — it's around 100 puzzles in one tidy PDF, a month or so of solving. If you'd rather not print the whole thing at once, just save the PDF and print a few pages at a time.
- How hard is an evil sudoku?
- Evil is the toughest level we build — long, technical solving paths that test even veterans. Every grid still has one logical solution, but you'll earn it. It's for solvers who want the hardest fair challenge going.
- Does this evil sudoku book include the solutions?
- Yes. Your evil sudoku book PDF ends with a full solutions section, and the cover carries a QR code that opens the exact answers online — so you can always check a tricky grid.
How to solve these
New to a technique? Read the step-by-step rules and solving guides.
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