Simple Sudoku is an application that creates Sudoku Puzzles. You can choose between five levels of complexity – from Easy to Extreme. Each puzzle is generated randomly so there is an almost limitless selection.
Not only does Simple Sudoku make challenging puzzles, it also helps solving them by providing tools to keep track of possible values for blank cells, filters and color markers thus removing the drudgery but not the fun. If you ever get really stuck, Simple Sudoku can get you started again with a discreet hint.
Download: Sudoku Puzzle Solver and Creator [776Kb]