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Play the popular game of Sudoku on your Mac (now on iPhone® too!) with UniSudoku. Enjoy the best aspects of the pencil and paper puzzle with all the advantages of playing on your computer.

  • Unlimited puzzle generation
  • No messy handwriting!
  • 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. Learn more...

Enjoy four levels of puzzle difficulty or enter your favorite puzzles from the newspaper, books and the Internet directly into UniSudoku. New to Sudoku? Angus Johnson has a helpful page on solving Sudoku.

Download now
Requires Mac OS X 10.4 or later
"Great Game! I was running out of erasers ;-)"
- Donna
"This is EXACTLY the Sudoku interface that I was looking for"
- Ann
"I really like the interface, being able to select the possibilities.... just brilliant!"
- Nik