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Uni Sudoku combines 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. Enjoy five levels of puzzle difficulty or enter your favorite puzzles from the newspaper, books and the Internet directly into Uni Sudoku.

What's New

Version 3.0.1:
  • Changed minimum system requirements to OS X 10.7.
  • Fixed bug when closing unfinished puzzle and auto-pause option enabled.


  • OS X 10.7 or later

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Uni Sudoku User Discussion

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Mtcobra Member IconComment+79

After upgrading to V.3.0 via the App Store, UniSudoku would not display any games. I could not open or create any games. It just sat there. I went into the time machine and brought back V.2.0 which has worked perfectly. (Mac OS X 10.6.8 2.33 GHz Intel Core 2 Duo 4 GB 667 MHz DDR2 SDRAM) P.S.: I sent an email to the developer regarding this problem.

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Version 3.0
ChellQ Member IconReview+1

After trying several Sudoku games, I happily purchased UniSudoku. Why?

1) The auto-generated puzzles are true Sudoku puzzles. I tried others that were too easy & could be solved by chance rather than logic.
2) The user interface makes it easy to enter numbers and pencil marks - just click in the box. Its the most playable Sudoku I tried by far. It's a bit plain but I prefer that to the garish style of some others. It's the closest I've found to pencil & paper with the advantages of the computer.
3) The highlight numbers feature helps solve hard puzzles. There are some programs with more "solver" capabilities, but this is the one I enjoy playing. I'd suggest reading the user manuel for "Sudoku Susser" to learn advanced Sudoku strategies, but for playing Sudoku - I use UniSudoku.

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Version 1.7.1
MajikalMan Member IconReview+0

My favorite implementation of sudoku but why does it hog 98% of my cpu right after I start a new puzzle?

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Version 1.7.1
dombi Member IconReview+1

I actually like this one. The biggest problem with the other Sudoku games is the way they handle the number entry. You usually need to manually type it in, or pick a number and keep placing the same number until you pick a different number.

This game implemented a very easy way of dealing with number entries. I love it! Finally I don't have to battle the software and I can really focus on the game.

Excellent software!

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Version 1.4.1
blloyd Member IconComment+216

How many of these freaking Sudoku games are there? My MacUpdate RSS feed is basically completely polluted with them... there are like 25 updates to different SuDoKu games per day.

Between them and VueScan, there's no room for anything else in the 25 RSS updates :-(

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Version 1.0

There are many sudoku games out there, but trust me, there way more instances of people bitching about software they don't like to read about. The latter being incredibly more annoying.


There are many people who write about annoying software out there, but *trust* me, people pointing it out and writing about annoying people being annoying are *way* more annoying than the former being more annoying than the latter is annoying to the annoying people who find annoying more people with annoying comments more annoying than reading annoying comments about annoying people.

So please, give us all a break.

There are no Ratings for this App yet.
> 5 3


Current Version (3.x)


Downloads 13,259
Version Downloads 1,619
Type Games / Puzzle
License Commercial
Date 23 May 2013
Platform Intel 64 / OS X
Price $1.99