SUDOKU　

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.
Features
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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
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.)
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SOME TIPS
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.