About this app

Sudoku is a puzzle with numbers to train logic and attention. In the collection you will find more than 20,000 puzzles. Choose the difficulty level that suits you. Train your brain by solving sudoku every day.

The rules of classic 9x9 Sudoku are simple: in each column, row and small 3x3 square, numbers from 1 to 9 must be entered without repetition. For the convenience of solving in the game, they are highlighted in color. You can easily find more detailed information about the rules and strategies for solving a logical Sudoku puzzle on the Internet.

In the game "Sudoku" there is an opportunity to check the correctness of the solution and open the number. Click on the MISTAKES button to find out if there are incorrectly entered numbers. Mistakes will be marked with color. The HINT opens the correct number in the selected sudoku cell. If there is a special icon on the button, you can get a hint only after viewing the ad.

NOTES mode will help you solve difficult sudokus. Enter the possible numbers in the cell so as not to search for the missing numbers again. Notes are automatically updated when solving Sudoku and adding new numbers.

Main functions:
* Multiple difficulty levels: 6x6, Easy, Standard, Difficult, Expert.
* Saving unsolved sudoku.
* Dark and light themes.
* Hints and mistake checking.
* Notes mode.
* Simple and intuitive interface.
* Translation into the main languages.

Each Sudoku has only one right solution, but finding the right way is not easy. In simple Sudoku, the main thing is to carefully study the placed numbers and find the key cell where it is possible to enter a single number. In difficult puzzles, you need to think carefully.

Classic Sudoku is an excellent warm -up for the mind. Solve the puzzles of Sudoku and increase your IQ!

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Allows applications to open network sockets.
Allows applications to access information about networks.