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Sudokus with no one can solve
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Samurai Sudoku
Gattai-3
Cross Sudoku
Twodoku
Sohei Sudoku
W Sudoku
Clueless Sudoku 1
Clueless Sudoku 2
Twin Corresponding Sudoku
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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.
Daily Sudoku
7-August-2023
Cross Sudoku
- Cross Sudoku has five merged grids. The numbers must be placed correctly for all the five puzzle squares.
Cross Sudoku
- Cross Sudoku has five merged grids. The numbers must be placed correctly for all the five puzzle squares.
Flower Sudoku
- Flower Sudoku has five sudoku puzzles in layout, similar to Samurai Sudoku. However, these puzzles overlap each other much more than in Samurai. The center grid is fully covered by the remaining four sub-puzzles.
Flower Sudoku
- Flower Sudoku has five sudoku puzzles in layout, similar to Samurai Sudoku. However, these puzzles overlap each other much more than in Samurai. The center grid is fully covered by the remaining four sub-puzzles.
Twodoku
- Twodoku consists of two grids 9 x 9. The numbers must be placed correctly for both puzzle squares.
Twodoku
- Twodoku consists of two grids 9 x 9. The numbers must be placed correctly for both puzzle squares.
Clueless Sudoku 1
- 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.
Clueless Sudoku 1
- 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.
Clueless Sudoku 1
- 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.
Clueless Sudoku 1
- 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.
Sohei Sudoku
- Named for the warrior monks of medieval Japan, Sohei Sudoku has four merged grids. Each grid has two overlapping areas.
Sohei Sudoku
- Named for the warrior monks of medieval Japan, Sohei Sudoku has four merged grids. Each grid has two overlapping areas.
Gattai-3
- Gattai is a Japanese word meaning merged or fused; this term is used for overlapping sudoku. A number after the word "Gattai" indicates how many 9 x 9 sudokus are in the puzzle .
Gattai-3
- Gattai is a Japanese word meaning merged or fused; this term is used for overlapping sudoku. A number after the word "Gattai" indicates how many 9 x 9 sudokus are in the puzzle .
Sohei Sudoku
- Named for the warrior monks of medieval Japan, Sohei Sudoku has four merged grids. Each grid has two overlapping areas.
Sohei Sudoku
- Named for the warrior monks of medieval Japan, Sohei Sudoku has four merged grids. Each grid has two overlapping areas.
Clueless Sudoku 1
- 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.
Clueless Sudoku 1
- 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.
Cross Sudoku
- Cross Sudoku has five merged grids. The numbers must be placed correctly for all the five puzzle squares.
Cross Sudoku
- Cross Sudoku has five merged grids. The numbers must be placed correctly for all the five puzzle squares.
Flower Sudoku
- Flower Sudoku has five sudoku puzzles in layout, similar to Samurai Sudoku. However, these puzzles overlap each other much more than in Samurai. The center grid is fully covered by the remaining four sub-puzzles.
Flower Sudoku
- Flower Sudoku has five sudoku puzzles in layout, similar to Samurai Sudoku. However, these puzzles overlap each other much more than in Samurai. The center grid is fully covered by the remaining four sub-puzzles.
Cross Sudoku
- Cross Sudoku has five merged grids. The numbers must be placed correctly for all the five puzzle squares.
Cross Sudoku
- Cross Sudoku has five merged grids. The numbers must be placed correctly for all the five puzzle squares.
Clueless Sudoku 1
- 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.
Clueless Sudoku 1
- 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.
Gattai-3
- Gattai is a Japanese word meaning merged or fused; this term is used for overlapping sudoku. A number after the word "Gattai" indicates how many 9 x 9 sudokus are in the puzzle .
Gattai-3
- Gattai is a Japanese word meaning merged or fused; this term is used for overlapping sudoku. A number after the word "Gattai" indicates how many 9 x 9 sudokus are in 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.
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.
Gattai-3
- Gattai is a Japanese word meaning merged or fused; this term is used for overlapping sudoku. A number after the word "Gattai" indicates how many 9 x 9 sudokus are in the puzzle .
Gattai-3
- Gattai is a Japanese word meaning merged or fused; this term is used for overlapping sudoku. A number after the word "Gattai" indicates how many 9 x 9 sudokus are in the puzzle .
Flower Sudoku
- Flower Sudoku has five sudoku puzzles in layout, similar to Samurai Sudoku. However, these puzzles overlap each other much more than in Samurai. The center grid is fully covered by the remaining four sub-puzzles.
Flower Sudoku
- Flower Sudoku has five sudoku puzzles in layout, similar to Samurai Sudoku. However, these puzzles overlap each other much more than in Samurai. The center grid is fully covered by the remaining four sub-puzzles.