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.
Sudoku Sniper
Challenge computer opponents to Sudoku! It's exciting, it's fun.
Live play against human opponents.
Hyper Sudoku
Excellent Sudoku variation.
Sudoku Multi
Solve the same puzzle with up to four others simultaneously. First to complete the puzzle wins. You can observe how the other players are doing.
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.

Watch the pros solve puzzles - replay winning games from Sudoku Points.