Leading online Sudoku offering unlimited puzzles since 2005.
Play simultaneously with others - try score the most points.
Solve these challenging five-grid Sudoku puzzles.
Solve these really challenging seven-grid Sudoku puzzles. Unique to DKM.
Great Sudoku variation where the grid is in the shape of a honeycomb.
Great Sudoku variant where cells grouped in "cages" and you are given the total of each cage.
Need an extra challenge? Start with very few given numbers but introduces frame numbers to help solve.
Interesting and challenging Sudoku variant where you are given the total of digits between the "1" and "9".
Challenge human or computer opponents to Sudoku! It's exciting, it's fun.
Same rules as Sudoku but 16 rows, columns and blocks.
Sudoku variant with 4 extra blocks that must contain unique numbers.
Unique derivative of Sudoku where you need to place given words into a grid.
