数独 ( sudoku easy hard master ) [iPhone]

Sudoku is a logic puzzle that became very popular in all around the world. You can find and play sudoku puzzles everywhere: in the subway, in trains, in buses, inclassrooms, in very serious newspapers also in Mobile Phones. It is truly a game for all ages: from kids in preschool to seniors. Sudoku has a lotof intellectual stimulation virtues that promote its usage in different contexts: schools(as an initiation to mathematical logic), universities (as a support for computer sciencerelated courses), etc.

New user friendly design of sudoku for beginners and professional players. Playing Sudoku on mobile is as good as with a pencil and paper and you can choose any level difficulties as you like.

This Sudoku Mobile Application has some features that make the game Sudoku easier for you

This App includes :

• Daily Games
• Hints
• Timer
• Auto-Check
• Same Number Highlight
• 4 Difficulty Stages

The rules are simple: an 81-cell square grid is divided into 9 smaller blocks made up of 9 cells each. Some of the 81 cells are already filed. The aim of the game is to fill all the empty cells with one digit from 1 to 9 in such a way that a digit does not appear twice in the same row, or in the same column, or in the same block.There is a single solution. If it is not the case, the grid is called “invalid” and app prevent make this invalid move.Every Sudoku puzzle in this game has only one solution.

Sudoku rules say that a digit must be assigned to each cell in the grid with only one restriction: a given digit cannot appear twice in a row, in a column or in a block. Obviously, one never find a sudoku grid where an single empty can be found in a row, in a column or in a block. It would be much too easy and would be of no interest. Sudoku solving requires reasoning.