Pencil Marks - The advantages of a pencil without the mess.īy just holding down the shift key (or clicking the Pencil Marks Mode button) you can enter a pencil mark, which is a smaller, lighter number to remind you of the options for a given square. You can choose from different difficulties, making each puzzle as easy or as hard as you want.Ĥ. Custom Difficulties - Play at a level that's comfortable for you. You can choose how complex you want the puzzles to be.ģ. You can choose from one of four sizes: 4x4, 9x9, 16x16 or 25x25. Custom Sizes - Simple or hard puzzles to suit your moode. You'll always have a new puzzle to play.Ģ. This means that there are literally millions of puzzles that can be generated.
SuDoku Pro generates the puzzles on the fly. Millions of generated puzzles - Never run out of puzzles to play. It comes with a complete set of features including infinite puzzles, printable sudoku and boards of multiple sizes and difficulties.ġ. Sudoku Pro is the only Sudoku program that you'll ever need.