Sudoku Classic Edition

Sudoku, done right. Classic Sudoku, rebuilt with a genuinely clean design, smart quality-of-life features, and zero pressure to sign up or log in. Just open the app and start solving. PLAY YOUR WAY Three difficulty levels — Easy, Medium, and Hard — so beginners and experts both have a real challenge waiting Pencil-mark notes that clean themselves up: place a number, and matching notes clear automatically across its row, column, and box Undo, erase, and an adjustable mistake limit — play it safe or live dangerously One free hint every day, plus the option to watch a quick ad for more whenever you're stuck A NEW CHALLENGE, EVERY SINGLE DAY Solve a brand-new Daily Challenge puzzle each day, build a streak, and browse your full challenge history on a calendar going back to 2020. Daily challenges save your progress automatically, so you can always pick up where you left off. SEE YOURSELF…