Sudoku - Classic Sudoku Puzzle is a mobile app available on Android and iOS that provides the classic number puzzle experience. The game requires filling a 9x9 grid so that each column, row, and 3x3 section contains all digits from 1 to 9. It is a great way to enhance concentration and logical thinking skills.

Yes, the game is free to download and play. It may include optional in-app purchases for additional features, hints, or ad removal, but these are not necessary to enjoy the game fully.

No, it can be played offline, making it convenient for travel or areas with limited connectivity. Some features, like leaderboards, might require an internet connection.

Yes, it offers multiple difficulty levels including easy, medium, hard, and expert. This allows players to choose suitable challenges and improve their skills gradually.

Regular play can boost concentration, problem-solving, and logical thinking. Engaging with various difficulty levels can strengthen cognitive abilities and foster strategic thinking beneficial for everyday decisions.