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.