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Classic 9x9 Sudoku, Newbie to Expert. Notes, hints and a daily puzzle. Offline.
The Sudoku you already know, generated fresh on your phone every time you press New Game. Fill the 9x9 grid so every row, every column and every 3x3 box holds the numbers 1 to 9, with no repeats. Tap a cell and the grid lights up everything it can see, so the next move is easier to find. No sign-up. No account. No signal needed. ★ FIVE DIFFICULTIES ★ • NEWBIE — 72 clues, nine blanks, every one solvable by scanning a single band • EASY — 46 clues • MEDIUM — 36 clues • HARD — 28 clues • EXPERT — 22 clues, for players who want to be made to think Set any of them as your default and the app opens straight into it. ★ KEY FEATURES ★ • PENCIL NOTES — jot candidates into a cell and clear them when you are sure • TWO FREE HINTS A GAME — a hint fills one square in gold and explains nothing else • THREE LIVES — a wrong number costs one, not the whole grid • PAUSE THE CLOCK — put it down mid-puzzle and pick it up later • DAILY CHALLENGE — a fresh puzzle every day, with a streak, a calendar and an optional reminder • GAME HISTORY — every finished puzzle with its time, so you can watch yourself get faster • TWELVE ACHIEVEMENTS — from your first win to a thirty-day streak, with points for each • LIGHT AND DARK — a considered theme either way, or follow whatever your phone is doing • BACKGROUND MUSIC — several tracks, and a switch to turn the lot off ★ MEOW MODE ★ A second puzzle hiding in the same app. Place one cat per colour, one per row and one per column, and no two cats may touch — not even diagonally. Same three lives, completely different thinking. ★ NEW TO SUDOKU? ★ A short walkthrough runs on a real grid and then gets out of the way. Newbie leaves only nine blanks, so a first game is finishable rather than discouraging. ★ WHY THIS SUDOKU ★ Generated, not downloaded: every puzzle is made on your phone, so there is no pack to run out of and no connection to wait for. Honest: one solution per puzzle, always. Quiet: no account, no profile, no daily reward wheel — just the grid. Sudoku is free and supported by ads. One purchase removes them for good.