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Sudoku - Classic Sudoku Puzzle is a mobile version of the standard 9x9 number-placement game. It suits both new players learning the rules and experienced solvers looking for harder grids. Puzzles are arranged across Easy, Medium, Hard, and Expert difficulties, giving you a clear way to build skill or choose a more demanding challenge.
The app includes pencil notes for marking possible numbers in empty cells. Notes can be updated as the grid changes, which is useful when working through a puzzle with several candidates. Number-first input lets you select a digit before placing it in multiple cells, while undo and eraser controls make it easier to correct entries without restarting.
Players can use automatic checking to identify incorrect entries while solving. Mistake settings provide a choice between a more forgiving session and a stricter approach. Daily challenges and trophies add goals beyond a single puzzle, giving regular players a way to maintain a solving routine and track progress over time.
The interface keeps the grid and number controls at the centre of the experience, with support for dark-theme play in low-light conditions. Sudoku - Classic Sudoku Puzzle is published by Guru Puzzle Game and listed in the Puzzle category. Its rating is 4.76 out of 5 from more than 548,000 reviews, with 10,000,000+ installs.
