"Sudoku" is a shorter version of the full name "Suji wa dokushin ni kagiru", meaning "the numbers must be single", or "the numbers must occur only once".
What's new
SappientSudoku (free version) is available for download
Latest updates
New version of SapientSudoku with GUI changes.
Welcome to Sudoku Corner, real sudoku entertainment
Do you like sudokus? If you don't know what we are talking about, take a short introduction
to the puzzle which attracts milions of people around the World. When you
want to start enjoy the game, you can choose from several options: