Oni Sudoku No.259

Puzzles for confident solvers, using advanced techniques such as the X-Wing.

Solve on phone or PC →

Oni Sudoku No.259puzzlelounge.app/nanpure

Every column, row and bold 3×3 box holds each digit 1 to 9 once.

See the answer

Answer to Oni Sudoku No.259

EasyMediumHardOni

If you are unsure how to solve, see how to solve sudoku, with tips.