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Put your logic skills to the test with an engaging Sudoku challenge designed for every player. Complete the 9×9 grid by placing numbers from 1 to 9 so that each row, column, and 3×3 block contains every digit exactly once. Choose from Easy, Medium, Hard, or Expert puzzles to match your confidence and experience. Clean controls make every move simple, while the timer lets you track your progress and race against your best times. If you get stuck, use helpful hints or undo a move. With puzzles and satisfying gameplay, Sudoku offers a relaxing way to improve focus, reasoning, and problem-solving skills.
Learn how to master THE NUMBER PUZZLE instantly in your browser. Below are instructions, key bindings, and quick answers to frequently asked questions.
Mouse Touch Click or tap on a cell to select it then click tap a number to fill it Keyboard Use number keys 1 ndash 9 to fill the selected cell Undo Hint Use on-screen buttons to undo moves or get hints