Deluxe Sudoku 1.1

A full featured, fun, and addictive Mac Sudoku game. Deluxe Sudoku randomly generates puzzles with four difficulty levels. You can also customize the look of the game by selecting one of the eight background themes.

It includes full support for pencil marks, mimicking how puzzles are typically solved when using a pencil and paper. Click once to leave a pencil mark. Double-click or click with the secondary mouse button to place a number. There is also an option to highlight incorrectly placed numbers.