Sudoku Online
Packed with features.
Sudoku Daily Challenge

Samurai Sudoku
Solve these challenging five-grid Sudoku puzzles online.

Shichi Sudoku
Solve these really challenging seven-grid Sudoku puzzles online. Unique to DKM.

Sudoku Points
Solve the same puzzle as others simultaneously and score as many points as possible. A new challenge every five minutes.

Killer Sudoku
Great Sudoku variant where cells grouped in "cages" and you are given the total of each cage.

Frame Sudoku
Need an extra challenge? Start with very few given numbers but introduces frame numbers to help solve.

Sandwich Sudoku
Interesting and challenging Sudoku variant where you are given the total of digits between the "1" and "9".

Jigsaw Sudoku
Great Sudoku variant where the 9 blocks are in the shape of jigsaw pieces - different for each puzzle.
Same rules as Sudoku apply.

Hanidoku
Great Sudoku variation where the grid is in the shape of a honeycomb. Really challenging but all the hint, clue and solve options available.

Word Sudoku
Unique derivative of Sudoku where you need to place given words into a grid.

Sudoku Sniper
Challenge human or computer opponents to Sudoku! It's exciting, it's fun.

Hyper Sudoku
Excellent Sudoku variation.

Sudoku 16
Same rules as Sudoku but 16 rows, columns and blocks.