PCSudoku is a new Sudoku game for the PC. It includes 30 games, with Hi Scores, timer, and keyboard or mouse controls. When you register you can create an unlimited number of new games either automatically or by copying from an existing printed Sudoku. With the unlimited undo feature you can backtrack if you make a mistake, and use the pencil-mark feature to note possible numbers before committing.

The license of this software is Free Trial Software, the price is $10.00, you can free download and get a free trial.