The object of Sudoku puzzles is to place the numerals 1 through 9 in a 9 x 9 grid so that each row, each column and each 3 x 3 grid contains each number one time only. You can take a look at the solutions to get the idea if you are new to Sudoku puzzles.

Options available:

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400 puzzles with 4 difficulty levels

Save incomplete puzzles

Print puzzles

Hints

Check for incorrect numbers or check entire puzzle

Restart puzzle

Solve puzzle

Choice of background, number and highlight colors

Eight puzzles in the trial version; 400 in the full version

Free updates (more puzzles as they become available)

Complete help file

Complete setup and uninstall