Hard Sudoku #10186 | Peak Sudoku

Main menu

Home Daily Puzzle

Play Now

Beginner Gentle Easy Medium Tricky Hard Tough Expert Extreme Diabolical

Browse Puzzles Make a BookFREE Import Text/Image Learn Techniques

This puzzle

#10186

Hard(52/100)
SE: 3.2
Clues: 30
Symmetry: Vertical mirror

81 leftNo cell selected

1–9 writes into the selected cells.

Techniques in this puzzle5

Naked Single Hidden Single Naked Pair Naked Triple Naked Quad

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

Hard Sudoku #10186 | Peak Sudoku