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By moonrabbit

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The best iphone sudoku app is back with much more awesome features!
Enjoy almost unlimited number of sudoku problems with beautifully refined user interface. (With Retina screen supports!)

Basic Sudoku Rules
Every row must contain the numbers from 1 to 9 with no duplicate numbers in each row.
Every column must contain the numbers from 1 to 9 with no duplicate numbers in each culumn.
A region (3X3 box) also has to contain the numbers from 1 to 9 with no duplicates.

Automatic Memo Mode
For the sudoku biginners, Quick Mode with the automatic memo functionality is now available!

Emotional Design
Moonrabbit Sudoku's design perfectly blends with enhanced usability! You will be satisfied with one of the best emotional design.

User-friendly interface
Thanks to the optimized interfaces, you can focus on solving sudoku problems. Guide lines & Duplicated number highlighting will help you reduce time-consuming mistakes.

Undo helps the Sudoku problems be traced back to its previous state. You don't anymore need to resart the game from the bigining when you reallize you made a mistake in the middle of the game.

Powerful statistics features
You can check your records at a glance with the various types of graphs.

Daily Sudoku & World Challenge
Challenge people all around the world with a new sudoku problem every day.

Massive volume
Six levels of difficulty. Each level set contains one thousand sudoku problems.

Various skins
25 background colors and two types of skin modes.

Multilingual support
Supports various languages. (Currently Korean and English.)


1. In Memo mode, press and hold the button to put numbers.

2. Hold undo button to reset the progress.

3. Double tap to switch between Normal Mode and Memo Mode.

What's New in Version 2.2.3

* iOS native status bar
* bug fix

iPhone Screenshots

iPhone Screenshot 1
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iPhone Screenshot 5

Customer Reviews

Losing Sleep!

I can't understand why this isn't the NUMBER ONE sudoku install (maybe because a lot of people incorrectly search for, and sadly find "soduko?"). This app is so addictive I'm having trouble pulling myself away! I never played Sudoku before. I didn't think I'd enjoy it or even be able to figure it out because I'm dyslexic and ADD! Then I stumbled upon this app and I don't know if I'm proud to say - or embarrassed to admit- that I've played over 180 hours/560 games. A) it's truly free [no hidden surprises/additional bits to buy]; B) it's easy to read/no unnecessarily flashy backgrounds; and C) the ranking system with catchy little icons makes keeping track of one's games fun and impossible to put down. The app's designers certainly have a great sense of humor and an good understanding of the type of marketing elements that keep users coming back for more!! Install this now!!

Great great app

I've been using this game for a long time--easily for at least two years. For me, this has the most enjoyable design and is extremely user-friendly. The ads are unobtrusive (nothing pops up and stops play), there are various different difficulties, and you don't have to unlock anything to play. I also like the icons when you win new achievements. Finally, I think the overall design and aesthetic is just really, really pretty. My favorite sudoku app--and my only, after trying out many other sudoku apps.


I am a long-time sudoku player. Having tried others, I like this best. You don't have to "earn" skill levels, you can choose whatever play level you want and change play levels at any time. A bonus: the ever-changing "what you're worth" icon at the end of each game is hilarious! No other sudoku game has humor built into it.

View in iTunes
  • Free
  • Category: Games
  • Updated:
  • Version: 2.2.3
  • Size: 19.9 MB
  • Languages: English, Japanese, Korean
  • Seller:

Compatibility: Requires iOS 7.0 or later. Compatible with iPhone, iPad, and iPod touch.

Customer Ratings

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