Sudoku Blog
Guides, strategy deep-dives, and tips to help you solve faster and smarter.
- Strategy
How to Solve Hard Sudoku Puzzles Without Guessing
Stuck on hard sudoku? The mental shift, the pencil-mark system, and six techniques that crack difficult puzzles — no guessing required.
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The 5 Sudoku Techniques Every Beginner Should Learn First
Skip the overwhelm. Master these five techniques — scanning, naked singles, hidden singles, cross-hatching, and pointing pairs — with worked grid diagrams for each.
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