Evil Sudoku Book — 50 Printable Puzzles
A brutal little book of around 50 evil sudoku puzzles, ready to print or save as a PDF, with all the answers in the back. Evil is the hardest level we build, so this slim pack is dense with difficulty — a sharp, no-mercy workout for veterans who like to suffer (happily).
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Difficulty level
Puzzles per page
Puzzle pages
48 puzzles

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Frequently asked questions
- How big is a 50-puzzle sudoku book?
- It's a slim, take-anywhere book — roughly a week or two of daily solving. The puzzles sit a few to a page, so it's light enough to slip into a bag for a trip or a commute.
- 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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