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Today's Sudoku
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Daily Sudoku
Sudokus with no one can solve
X Sums Sudoku
Little killer sudoku
Extra Regions Sudoku
Makodoku
Sum Frame Sudoku
Classic Sudoku
Greater Than Sudoku
Group Sum Sudoku
Multi Diagonal Sudoku
Clone Sudoku
Skyscrapers Sudoku
Hybrid Sudoku ( X Sums + Consecutive )
Quadruple sudoku
Hybrid Sudoku ( X Sums + Consecutive )
XV Sudoku
Consecutive Sudoku
Kropki Sudoku
Greater Than Kropki Sudoku
Hybrid Sudoku ( Consecutive Pairs + Sum Frame )
Consecutive Sudoku
XV Sudoku
MiniMax Sudoku
Exclude Sudoku
Count different Sudoku
Products Sudoku
Thermo Sudoku
Hybrid Sudoku ( X Sums + Greater Than )
Color Sudoku
Hybrid Sudoku ( Greater Than + Sum Frame )
Maximin Sudoku
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Daily Sudoku
26-May-2025
Windoku
- 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
- 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.
Color Sudoku
- 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.
- Apply Classic Sudoku rules. Within each coloured region each digit must appear exactly once.
Color Sudoku
- 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.
- Apply Classic Sudoku rules. Within each coloured region each digit must appear exactly once.
Thermo Sudoku
- 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.
- Some thermometer shapes are placed in the grid. Digits are strictly increasing from the round bulb of the thermometer to each flat end.
Thermo Sudoku
- 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.
- Some thermometer shapes are placed in the grid. Digits are strictly increasing from the round bulb of the thermometer to each flat end.
Clone Sudoku
- 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
- 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.
Sum Frame Sudoku
- 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 outside the grid indicate the sum of the first 3 digits in the corresponding direction.
Sum Frame Sudoku
- 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 outside the grid indicate the sum of the first 3 digits in the corresponding direction.
Group Sum Sudoku
- 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 number at the intersection of four cells is the sum of digits in those four cells.
Group Sum Sudoku
- 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 number at the intersection of four cells is the sum of digits in those four cells.
Exclude Sudoku
- 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.
- Numbers in the red circle are not allowed appears in four squares which is nearby the intersection of row and column red circles.
Exclude Sudoku
- 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.
- Numbers in the red circle are not allowed appears in four squares which is nearby the intersection of row and column red circles.
Skyscrapers Sudoku
- 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.
- Consider each number to be the height of a building. The numbers outside the grid indicate how many buildings can be seen when looking in that direction (taller buildings conceal smaller buildings behind them).
Skyscrapers Sudoku
- 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.
- Consider each number to be the height of a building. The numbers outside the grid indicate how many buildings can be seen when looking in that direction (taller buildings conceal smaller buildings behind them).
Group Sum Sudoku
- 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 number at the intersection of four cells is the sum of digits in those four cells.
Group Sum Sudoku
- 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 number at the intersection of four cells is the sum of digits in those four cells.
Color Sudoku
- 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.
- Apply Classic Sudoku rules. Within each coloured region each digit must appear exactly once.
Color Sudoku
- 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.
- Apply Classic Sudoku rules. Within each coloured region each digit must appear exactly once.
Multi Diagonal Sudoku
- 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
- 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
- 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
- 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.
Perfect Squares
- 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.
- A dot between two cells indicates that the digits in the two cells form a double digit square number in the reading direction. there are no square numbers marked by a dot.
Perfect Squares
- 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.
- A dot between two cells indicates that the digits in the two cells form a double digit square number in the reading direction. there are no square numbers marked by a dot.
Quadruple sudoku
- 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 set of four digits in the intersection of two lines indicates the digits that have to be placed in the four adjacent cells.
Quadruple sudoku
- 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 set of four digits in the intersection of two lines indicates the digits that have to be placed in the four adjacent cells.
Mathrax Sudoku
- 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.
- Some intersections of the grid lines are marked by a number and an operator (+, -, x, /) in a circle. The number is the result of the operation, applied to both pairs of diagonally opposite cells. An E in the circle indicates that all four adjacent digits are even, while an O indicates that all four adjacent digits are odd.
Mathrax Sudoku
- 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.
- Some intersections of the grid lines are marked by a number and an operator (+, -, x, /) in a circle. The number is the result of the operation, applied to both pairs of diagonally opposite cells. An E in the circle indicates that all four adjacent digits are even, while an O indicates that all four adjacent digits are odd.
Multi Diagonal Sudoku
- 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
- 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.
Exclude Sudoku
- 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.
- Numbers in the red circle are not allowed appears in four squares which is nearby the intersection of row and column red circles.
Exclude Sudoku
- 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.
- Numbers in the red circle are not allowed appears in four squares which is nearby the intersection of row and column red circles.
Little killer sudoku
- 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.
- Numbers with arrows indicate sum of the numbers in each direction.
Little killer sudoku
- 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.
- Numbers with arrows indicate sum of the numbers in each direction.
Little killer sudoku
- 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.
- Numbers with arrows indicate sum of the numbers in each direction.
Little killer sudoku
- 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.
- Numbers with arrows indicate sum of the numbers in each direction.
Sums Sudoku
- 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.
- A number between two cells indicates the sum of the numbers in these cells. A number between four cells indicates the sum between two diagonally adjacent cells, either top left + right bottom (\) or top right + bottom left (/).
Sums Sudoku
- 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.
- A number between two cells indicates the sum of the numbers in these cells. A number between four cells indicates the sum between two diagonally adjacent cells, either top left + right bottom (\) or top right + bottom left (/).