Login
Join
Logout
Login
Join
Logout
Today's Sudoku
Classic Sudoku
Samurai Sudoku
Archives
Daily Sudoku
Sudokus with no one can solve
X Sums Sudoku
Little killer sudoku
Extra Regions Sudoku
Greater Than Sudoku
Makodoku
Sum Frame Sudoku
Clone Sudoku
Group Sum Sudoku
Multi Diagonal Sudoku
Classic Sudoku
Hybrid Sudoku ( X Sums + Consecutive )
Quadruple sudoku
Skyscrapers Sudoku
Hybrid Sudoku ( X Sums + Consecutive )
XV Sudoku
Consecutive Sudoku
Hybrid Sudoku ( Consecutive Pairs + Sum Frame )
Consecutive Sudoku
Kropki Sudoku
XV Sudoku
Products Sudoku
Greater Than Kropki Sudoku
Exclude Sudoku
MiniMax Sudoku
Count different Sudoku
Hybrid Sudoku ( X Sums + Greater Than )
Color Sudoku
Hybrid Sudoku ( Greater Than + Sum Frame )
Thermo Sudoku
147 Sudoku
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.
Join
Join
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.
Sudokus that no one can solve
Sudokus that no one can solve, not only including Sodukus which is very difficult but also that no one trying to solve it.
Count different Sudoku
8-August-2020
- Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.
- Arrows and numbers outside gridding means how many different numbers in corresponding direction grid.
Count different Sudoku
8-August-2020
- Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.
- Arrows and numbers outside gridding means how many different numbers in corresponding direction grid.
Count different Sudoku
13-August-2020
- Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.
- Arrows and numbers outside gridding means how many different numbers in corresponding direction grid.
Count different Sudoku
13-August-2020
- Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.
- Arrows and numbers outside gridding means how many different numbers in corresponding direction grid.
Multi Diagonal Sudoku
14-August-2020
- Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.
- Digits do not repeat along the marked diagonals.
Multi Diagonal Sudoku
14-August-2020
- Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.
- Digits do not repeat along the marked diagonals.
Multi Diagonal Sudoku
14-August-2020
- Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.
- Digits do not repeat along the marked diagonals.
Multi Diagonal Sudoku
14-August-2020
- Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.
- Digits do not repeat along the marked diagonals.
Multi Diagonal Sudoku
14-August-2020
- Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.
- Digits do not repeat along the marked diagonals.
Multi Diagonal Sudoku
14-August-2020
- Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.
- Digits do not repeat along the marked diagonals.
Count different Sudoku
14-August-2020
- Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.
- Arrows and numbers outside gridding means how many different numbers in corresponding direction grid.
Count different Sudoku
14-August-2020
- Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.
- Arrows and numbers outside gridding means how many different numbers in corresponding direction grid.
Multi Diagonal Sudoku
15-August-2020
- Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.
- Digits do not repeat along the marked diagonals.
Multi Diagonal Sudoku
15-August-2020
- Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.
- Digits do not repeat along the marked diagonals.
Count different Sudoku
15-August-2020
- Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.
- Arrows and numbers outside gridding means how many different numbers in corresponding direction grid.
Count different Sudoku
15-August-2020
- Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.
- Arrows and numbers outside gridding means how many different numbers in corresponding direction grid.
Mirror Sudoku
15-August-2020
- Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.
- The four corner boxes contain the same digit in symmetric positions about the centre.
Mirror Sudoku
15-August-2020
- Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.
- The four corner boxes contain the same digit in symmetric positions about the centre.
Non XV sudoku
17-August-2020
- Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.
- The digits in two orthogonally adjacent cells cannot have a sum of either 5 or 10.
Non XV sudoku
17-August-2020
- Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.
- The digits in two orthogonally adjacent cells cannot have a sum of either 5 or 10.
Clone Sudoku
17-August-2020
- Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.
- Grey cells in the grid represent many cloned areas. Digits in these areas on corresponding positions must be identical. Cloned areas are only moved, without rotation or reflection.
Clone Sudoku
17-August-2020
- Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.
- Grey cells in the grid represent many cloned areas. Digits in these areas on corresponding positions must be identical. Cloned areas are only moved, without rotation or reflection.
Multi Diagonal Sudoku
18-August-2020
- Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.
- Digits do not repeat along the marked diagonals.
Multi Diagonal Sudoku
18-August-2020
- Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.
- Digits do not repeat along the marked diagonals.
Clone Sudoku
18-August-2020
- Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.
- Grey cells in the grid represent many cloned areas. Digits in these areas on corresponding positions must be identical. Cloned areas are only moved, without rotation or reflection.
Clone Sudoku
18-August-2020
- Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.
- Grey cells in the grid represent many cloned areas. Digits in these areas on corresponding positions must be identical. Cloned areas are only moved, without rotation or reflection.
Count different Sudoku
18-August-2020
- Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.
- Arrows and numbers outside gridding means how many different numbers in corresponding direction grid.
Count different Sudoku
18-August-2020
- Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.
- Arrows and numbers outside gridding means how many different numbers in corresponding direction grid.
Clone Sudoku
19-August-2020
- Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.
- Grey cells in the grid represent many cloned areas. Digits in these areas on corresponding positions must be identical. Cloned areas are only moved, without rotation or reflection.
Clone Sudoku
19-August-2020
- Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.
- Grey cells in the grid represent many cloned areas. Digits in these areas on corresponding positions must be identical. Cloned areas are only moved, without rotation or reflection.
Clone Sudoku
19-August-2020
- Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.
- Grey cells in the grid represent many cloned areas. Digits in these areas on corresponding positions must be identical. Cloned areas are only moved, without rotation or reflection.
Clone Sudoku
19-August-2020
- Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.
- Grey cells in the grid represent many cloned areas. Digits in these areas on corresponding positions must be identical. Cloned areas are only moved, without rotation or reflection.
Windoku
19-August-2020
- Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.
- Each of the four shaded 3x3 boxes contains each digit from 1 to 9.
Windoku
19-August-2020
- Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.
- Each of the four shaded 3x3 boxes contains each digit from 1 to 9.
Multi Diagonal Sudoku
20-August-2020
- Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.
- Digits do not repeat along the marked diagonals.
Multi Diagonal Sudoku
20-August-2020
- Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.
- Digits do not repeat along the marked diagonals.
Multi Diagonal Sudoku
21-August-2020
- Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.
- Digits do not repeat along the marked diagonals.
Multi Diagonal Sudoku
21-August-2020
- Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.
- Digits do not repeat along the marked diagonals.