You can now create a Today Sudoku account! Save partially completed questions, switch between devices, track your progress through archives, and record your puzzles solving time.
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This site ensures that all the sudoku puzzles provided have a unique solution. If you find a problem with multiple solutions, please pay attention to the additional rules of the puzzle.

W Sudoku

W Sudoku is made up with five grids and formed W word.It is means that numbers are put in all five grids exactly.

Sudokus that no one can solve

Sudokus that no one can solve, not only including Sudokus which are very difficult but also those that no one has tried to solve.

数独 | Cool Sudoku | 数独 | Sudoku Puzzle | 賢くなるパズル

Samurai Sudoku

Classic Sudoku

Today Sudoku

Archives

Sudokus with no one can solve

Flower Sudoku

Butterfly Sudoku

Windmill Sudoku

Samurai Sudoku

Triple Doku

Gattai-3

Cross Sudoku

Twodoku

Sohei Sudoku

W Sudoku

Clueless Sudoku 1

Clueless Sudoku 2

Twin Corresponding Sudoku

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W Sudoku

Sudokus that no one can solve