With the Davis Software Sudoku Solver you can create, play, and solve Sudoku puzzles. This program is capable of generating hundreds of unique puzzles, where you can play new games of 9, 18, 27, 36, or 45 initial values. If a puzzle stumps you, just press the Hint button for some extra help (one square at a time). For those time consuming, difficult puzzles, you can save games and load them later. You can also create your own puzzles by combining user input with a few hints.