Sudokus that no one can solve, not only including Sodukus which is very difficult but also that no one trying to solve it.

15-August-2020

- Twin Corresponding Sudoku consists of a pair of standard sudoku puzzles each with some starting digits. To get a complete solution for the twin puzzles, it is necessary to solve each twin puzzle, but the complete solution of the twin puzzles will be obtained by substituting the corresponding values of the digits from one twin sudoku into the other.

15-August-2020

- Twin Corresponding Sudoku consists of a pair of standard sudoku puzzles each with some starting digits. To get a complete solution for the twin puzzles, it is necessary to solve each twin puzzle, but the complete solution of the twin puzzles will be obtained by substituting the corresponding values of the digits from one twin sudoku into the other.

16-August-2020

- Clueless Sudoku is made up with nine nonoverlap 9*9 Sudokus.The 10th 9*9 Sudoku is hidden in the topic and marked with dark gray grids.

16-August-2020

- Clueless Sudoku is made up with nine nonoverlap 9*9 Sudokus.The 10th 9*9 Sudoku is hidden in the topic and marked with dark gray grids.

16-August-2020

- Butterfly Sudoku is the variation of the original sudoku. The puzzle consists of four grids 9 x 9. The numbers must be placed correctly for all the four puzzle squares.

16-August-2020

- Butterfly Sudoku is the variation of the original sudoku. The puzzle consists of four grids 9 x 9. The numbers must be placed correctly for all the four puzzle squares.

16-August-2020

- Butterfly Sudoku is the variation of the original sudoku. The puzzle consists of four grids 9 x 9. The numbers must be placed correctly for all the four puzzle squares.

16-August-2020

16-August-2020

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

16-August-2020

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

16-August-2020

- Twin Corresponding Sudoku consists of a pair of standard sudoku puzzles each with some starting digits. To get a complete solution for the twin puzzles, it is necessary to solve each twin puzzle, but the complete solution of the twin puzzles will be obtained by substituting the corresponding values of the digits from one twin sudoku into the other.

16-August-2020

17-August-2020

- Clueless Sudoku is made up with nine nonoverlap 9*9 Sudokus.The 10th 9*9 Sudoku is hidden in the topic and marked with dark gray grids.

17-August-2020

17-August-2020

17-August-2020

17-August-2020

- Windmill sudoku consists of five grids, one in the center and the other 4 overlapping the central one. This means that the numbers must be placed correctly for all the five puzzle squares.

17-August-2020

- Windmill sudoku consists of five grids, one in the center and the other 4 overlapping the central one. This means that the numbers must be placed correctly for all the five puzzle squares.

17-August-2020

17-August-2020

17-August-2020

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

17-August-2020

17-August-2020

17-August-2020

17-August-2020

17-August-2020

18-August-2020

- Triple Doku consists of three grids 9 x 9. The numbers must be placed correctly for all puzzle squares.

18-August-2020

- Triple Doku consists of three grids 9 x 9. The numbers must be placed correctly for all puzzle squares.

18-August-2020

- Cross Sudoku has five merged grids. The numbers must be placed correctly for all the five puzzle squares.

18-August-2020

- Cross Sudoku has five merged grids. The numbers must be placed correctly for all the five puzzle squares.

18-August-2020

- Cross Sudoku has five merged grids. The numbers must be placed correctly for all the five puzzle squares.

18-August-2020

18-August-2020

18-August-2020