Extreme Sudoku #460166 | Peak Sudoku

Play Now

Beginner Gentle Easy Medium Tricky Hard Tough Expert Extreme Diabolical

Make a BookFREE Make a Sudoku Import Text/Image

Learn Techniques

81 leftNo cell selected

Puzzle: #460166
Difficulty: Extreme(85/100)SE 5.6
Clues: 25
Symmetry: Anti-diagonal

1–9 writes into the selected cells.

Techniques in this puzzle6

Naked Single×17 Hidden Single×5 Pointing Pair×2 Naked Pair×1 XY-Wing×1 BUG+1×1

© 2026 Peak Sudoku·Contact·PrivacyFree to play. No ads.

Extreme Sudoku #460166 | Peak Sudoku