Sudoku - Classic Number Puzzle

🧩 Free sudoku game — fill every row, column, and 3x3 box with 1 through 9. On the train, before bed, or on a five-minute break. One number puzzle at a time. ✈️ No internet needed Play offline on a plane, underground, anywhere. Free, and no sign-up either. No data, no wifi, no problem. Offline sudoku just works. 🧠 Logic, not guesswork Every square has exactly one answer. The fun is narrowing it down with logic, not luck. No math needed. You are not adding numbers up, you are working out where they belong. 🎯 How far can you get today? Easy · Medium · Hard · Expert · Master · Extreme Start on Easy, or go straight to Extreme. 📅 One puzzle a day The Daily Challenge is a new board every day. Play daily and your streak keeps growing. ✏️ Stuck? No problem Jot down notes, take a hint when nothing works, undo a wrong tap. One thumb is all it takes, sitting down or standing up. ⏱️ Pick it up whenever Close the app mid-board and it waits exactly where you left it. A little on the commute, a little at lunch. No need to finish in one sitting. 🎛️ Set it up your way Highlights, wrong-entry flags, the timer, the sound. Keep what helps, switch off the rest. 🌙 Easy on your eyes at night Switch to dark mode in a dim room, and pick the colors that suit you. 📊 Watch yourself get faster Every board you finish adds to your record. Check your best times whenever you like. Beating yesterday's time is quietly addictive. 👍 Good for • Killing time on the commute • Brain training and brain games • Quiet focus instead of a noisy game • An offline game for flights and dead zones • Playing solo at your own pace • A light brain game before you fall asleep • Anyone who likes number puzzles and logic games 🧩 New to sudoku? The rules fit in one line: every row, every column, and every 3x3 box holds 1 to 9, with no repeats. Start on Easy and it clicks within a few boards. If you know it as Number Place, it is the same number puzzle. There are plenty of brain games, but few logic puzzles have lasted like sudoku. Free offline sudoku. Start your first board now. 🚀