Features:

• Generate a virtually unlimited number of puzzles automatically at chosen difficulty level.
• Easily create your own puzzle designs, in color
• An Expert System solves puzzles, and provides hints with explanations to help you learn SuDoku Logic.
• Add notations of possible values for cells, as you solve.
• Enter puzzles from newspapers or other sources.
• Solve on PC, with convenient save/load and undo/redo.
• Print out hardcopies to work on with pencil and paper.
• High visibility design. Use mouse or keyboard.
• Timer feature records best games with player names.
• Includes an 'elementary' level of difficulty.