Sudoku - Classic & Mini

Sudoku without the noise. No ads, no accounts, no tracking. Just clean puzzles you can play with one thumb. A NEW CHALLENGE EVERY DAY • The Daily Challenge: one puzzle a day, the same for every player. • Keep your streak going for bonus points, with big rewards at 3, 7, 14 and 30 days. • An activity calendar in Stats shows every day you played. • Optional gentle reminder, at most once a day. EARN POINTS, UNLOCK PUZZLES • Every correct number earns points. The early, harder numbers are worth the most. • Trade points for free plays of Mini Hard, Hard, Expert and Master. • Share a beautiful result card to your Instagram Story or friends. TWO BOARDS • Classic 9×9: Easy, Medium, Hard, Expert and Master. • Mini 6×6 with 2×3 boxes: a quick puzzle for a coffee break. Every puzzle is freshly generated and has exactly one solution. MADE FOR ONE HAND • Floating bars at the bottom: every number, plus Undo, Erase, Notes and Hint, right under your thumb. • Hold a cell and a 3×3 number pad pops up under your thumb. Slide to the number and let go. • Lock a number and fill cells with single taps. • Left- or right-hand layout, light and dark mode. EVERYTHING YOU NEED • Pencil-mark notes that clear themselves as you solve • Undo, erase, hints and a gentle three-mistake limit • Highlighting of the row, column, box and matching numbers • Automatic save, statistics and Game Center leaderboards and achievements • English and Traditional Chinese FREE TO PLAY, PRO IF YOU WANT MORE Classic and Mini Easy and Medium, plus the Daily Challenge, are free forever with no ads. One single Pro purchase unlocks all difficulty levels, Auto Notes, unlimited hints and four extra color themes. No subscription. Family Sharing supported. PRIVATE BY DESIGN Sudoku collects no data. No sign-in, no analytics, no ads.