About this app

Sudoku is a puzzle that uses the single digits 1 – 9 in a 9 X 9 grid. The missing numbers are to be found and placed such that each 3 x 3 grid has all 1 – 9 digits and each row and each column of the 9 X 9 grid has 1 - 9 digits.

• Sudoku has many benefits on mental health like Brain Exercises, Logical Thinking, and Strong Memory etc. Utilize your free time to sharp your brain by solving Sudoku.

Sudoku Challenge is a free Sudoku, a popular logic based number placement puzzle. This one is classic Sudoku puzzle. Each Sudoku puzzle has a unique solution.

Themes:
• Choose your theme from 5 attractive themes.

Difficulty levels:
• Easy
• Medium
• Hard
• Challenging

On the first opening of the game it will provide an Easy Sudoku, but the difficulty level can be changed by taking a new Sudoku puzzle.
From the second onward opening will provide the last unsolved puzzle.

Features:
• Use hint to know the right number of the selected cell.
• Undo your input, till the first input which you have entered in the current session of the Sudoku.
• Mute or unmute all the sound effects of the game quickly from key pad of the Sudoku Board.
• If you have a possible solution, but you are not sure about it then you can take notes, it is very helpful for Hard Sudoku and Challenging Sudoku.
• Clear all notes at a single click.
• Verify any time Sudoku solution; it will display the right and wrong number which user has entered.
• In case the Sudoku challenge game is going to background, it will pause the game automatically, and also user can pause the puzzle any time.
• In case one Number is placed correctly in 9 cells, it will be highlighted in number pad.
• Same numbers are highlighted based on your input or tap.
• Indication for solved rows, columns and 3x3 blocks.
• Useful statistics to Track your progress for each difficulty level with graphical representation, including average and best time for each level.
• You can change default settings of Sudoku board such as
• Enable or disable Indication for solved rows, columns and 3x3 blocks from settings.
• Enable or disable Number pad indication from settings.
• Enable or disable key pad sound and control volume of key pad sound from settings.

App Permissions

Allows applications to open network sockets.
Allows using PowerManager WakeLocks to keep processor from sleeping or screen from dimming.
Allows applications to access information about networks.
Allows applications to access information about Wi-Fi networks.