Challenge your opponent to a unique and exciting variation of Sudoku. Both solve the same puzzle simultaneously. Just how good are you?

Generate and solve unlimited, well crafted Sudoku puzzles. DKM Sudoku Desktop adds great new features and a whole new look to the online version. Version 2 now lets you play against computer opponents.

Generate unlimited, well crafted Sudoku puzzles with a host of features to help you solve them, all with logic alone. Elegant, clean design and a choice of skins to suit your visual preferences.