Sudoku guide
How to solve sudoku, techniques, levels, and puzzles to print.
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How to solve
- How to solveNaked SingleHow Naked Single works, on a real grid
- How to solveHidden SingleHow Hidden Single works, on a real grid
- How to solvePointingHow Pointing works, on a real grid
- How to solveClaimingHow Claiming works, on a real grid
- How to solveNaked PairHow Naked Pair works, on a real grid
- How to solveHidden PairHow Hidden Pair works, on a real grid
- How to solveNaked TripleHow Naked Triple works, on a real grid
- How to solveHidden TripleHow Hidden Triple works, on a real grid
- How to solveX-WingHow X-Wing works, on a real grid
- How to solveXY-WingHow XY-Wing works, on a real grid
- How to solveXYZ-WingHow XYZ-Wing works, on a real grid
- How to solveW-WingHow W-Wing works, on a real grid
- How to solveSkyscraperHow Skyscraper works, on a real grid
- How to solve2-String KiteHow 2-String Kite works, on a real grid
- How to solveSwordfishHow Swordfish works, on a real grid
- How to solveJellyfishHow Jellyfish works, on a real grid
- How to solveKiller cage combinationsHow Killer cage combinations works, on a real grid
- How to solveThe rule of 45How The rule of 45 works, on a real grid
Levels and sizes
- Levels and sizesMediumSolved with the basic methods
- Levels and sizesHardWhere techniques come in
- Levels and sizesOniFor experienced solvers
- Levels and sizes6×6 SudokuA smaller grid, quick to finish
- Levels and sizesDiagonal SudokuThe two diagonals count too
- Levels and sizesKiller SudokuSolve from the sums of the cages
Puzzles to solve on paper, with their answers
- PrintPrint EasyPrint Easy with answers
- PrintPrint MediumPrint Medium with answers
- PrintPrint HardPrint Hard with answers
- PrintPrint OniPrint Oni with answers
- PrintPrint 6×6 EasyPrint 6×6 Easy with answers
- PrintPrint 6×6 MediumPrint 6×6 Medium with answers
- PrintPrint Diagonal MediumPrint Diagonal Medium with answers
- PrintPrint Diagonal HardPrint Diagonal Hard with answers
- PrintPrint Diagonal OniPrint Diagonal Oni with answers
- PrintPrint Killer EasyPrint Killer Easy with answers
- PrintPrint Killer MediumPrint Killer Medium with answers
- PrintPrint Killer HardPrint Killer Hard with answers
- PrintPrint Killer OniPrint Killer Oni with answers
- PrintBlank gridAn empty grid to print