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Sudoku Uno ★ Unlimited Sudoku

Sudoku Uno ★ Unlimited Sudoku
  • #: 192696
  • Price: $1.99 In Apple Store
  • Category: Games
  • Updated: 2013-07-14
  • Current Version: 2.1.1
  • 2.1.1
  • Size: 0.70 MB
  • Language: English
  • Seller: Houdah Software s.a r.l.
  • Requirements: Compatible with iPhone, iPod touch, and iPad. Requires iOS 4.2 or later.
  • © 2008-2011 Houdah Software s.à r.l.
  •  Add to Favorite apps



Sudoku Uno is an elegant implementation of the popular Sudoku game

Sudoku Uno provides an almost infinite number of Sudoku games at 3 levels of difficulty.

Playing Sudoku Uno is not just fun. It helps build your Sudoku solving skills.

Indeed Sudoku Uno can help you out with hints and provide the reasoning behind the hint.

Sudoku Uno adapts to the way you like to play:

- You may use green pencil notes to keep track of candidate values

- Or use red pencil notes to keep track of values you ruled out

- You may have Sudoku Uno help you with automatic pencil notes (*)

- Sudoku Uno can be set to block erroneous entries

(*) You are cheating only a little. The real thinking still needs to be done.

It is just more fun with automatic pencil notes. The boring bits are taken care of

Sudoku Uno was first release in July 2008 as ACTSudoku.

With the new name came the addition of high scores. Scores are comparable across iPhone, iPad and Mac versions.

iPad users may also want to check out the dual player "Sudoku Duo"


- Millions of Sudoku boards with rotational symmetry

- Solvable by logic only. No guessing. No backtracking!

- Three levels of difficulty: easy, medium, hard

- Intelligent & educational hints. Explanations help improve your skills

- Green & red pencil notes. Aka. positive & negative markers

- Optional automatic pencil notes. Can be switched on and off during game play

- Optional blocking of erroneous entries

- Possibility to start over

- Games are automatically suspended when you receive a phone call

- Save favorite games

- High scores


- Sudoku solving engine based on "human logic"

- Advanced Sudoku board generator to provide an unlimited number of Sudoku games

- Difficulty levels are determined by techniques to master, not by number of givens

- The Sudoku engine can explain the reasoning behind the hints given during game play


- AppCraver.com: Friendliest Sudoku App Yet

- AppStoreApps.com: ACTSudoku is the best Sudoku game for the iPhone and iPod Touch


- iPhoneAppReviews.net: ACTSudoku is definitely superior for its hints and marker system

- Boredzo.org: I declare ACTSudoku the winner of the iPhone sudoku race

What's New in Version 2.1.1

- Added support for 4-inch displays
- Fixed a bug in the game timer
- Unified code base across Sudoku Uno for Mac, iPad and iPhone

iPhone Screenshots

Sudoku Uno ★ Unlimited Sudoku iPhone Screenshot 1
Sudoku Uno ★ Unlimited Sudoku iPhone Screenshot 2
Sudoku Uno ★ Unlimited Sudoku iPhone Screenshot 3

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The information may be outdated (2017-03-08 14:57:08). For actual information go to iTunes

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