• Four grid sizes; 9x9, 8x8, 6x6, 4x4
• Print any puzzle, along with its solution
• Email puzzles to your friends and family*
• Solve puzzles from any source**
• Reveal possible numbers
• Highlight wrongly entered numbers
• Graded puzzles, from Easy to Devilish
• Timer to help you set your pace
• “Panic” button for when the boss appears!
• High score table
• Save game feature
• Number or letter puzzles

* Sudoku Solver applies to puzzles in grid sizes up to 9x9
** Requires the Adobe Acrobat Reader Software which can be downloaded free of charge from www.adobe.com