This is a great puzzle brain games, called Sudoku - Number nonogram games. Contains 4x4, 6x6, 8x8, 9x9 grids. A classic Sudoku game suitable for novice and advanced players. Whether you want to relax or exercise your brain, pass the time in a pleasant way! With Sudoku, take a short and exciting rest, or get rid of the mundane tasks in your mind. No matter where you go, there is your beloved game with you. The experience of playing Sudoku on mobile devices is as good as using pen and paper. Choose any difficulty you like. Playing easy levels can exercise your brain, and trying expert levels can really sharpen your mind. Sudoku has some features that can make the game easier: prompts, automatic checking, and highlighting of duplicates. You can use these features, or you can complete the challenge without help-it's up to you! In addition, in Sudoku, every problem has a solution.