UniSudoku for Mac

Play the popular game of Sudoku on your Mac with UniSudoku. Enjoy the best aspects of the pencil and paper puzzle with all the advantages of playing on your computer such as: unlimited puzzle generation, no messy handwriting and with full undo/redo support, no more erasing. An intuitive interface lets you make pencil marks and fill in guesses while staying in the flow of the game. Enjoy five levels of puzzle difficulty or enter your favorite puzzles from the newspaper, books and the Internet directly into UniSudoku. Unique features include puzzle rotation and highlighting of numbers.

Version 1.7.1 features an option to erase pencil marks from puzzle.