Sudoku: Classic 9x9 Puzzle

Take a break with classic 9x9 sudoku. Fill every row, column and 3x3 box with the digits 1 to 9. PUZZLES FOR EVERY LEVEL • More than 6,600 puzzles across Easy, Medium, Hard, Expert, Master and Extreme • Every puzzle has exactly one solution • Choose your difficulty or use Auto, which suggests a level based on your recent wins EVERYTHING YOU NEED TO SOLVE • Pencil notes, cleared from related cells when you place a digit • Undo and erase • One hint per puzzle; you can choose to watch a rewarded video for another hint • An optional three-mistake limit; you can choose to watch a rewarded video for a second chance • Score and clock, with your best score and best time saved for each difficulty PLAY IT YOUR WAY Customize highlights, auto-check, the mistake limit, sound, vibration and more. Hide used numbers, the clock or the score if you prefer a quieter board. PICK UP WHERE YOU LEFT OFF Your game is saved as you play, so you can close the app in the middle of a puzzle and continue later. FREE TO PLAY No account or in-app purchases. Puzzles are stored on your device and can be played offline. The game shows ads, including a banner during play, occasional full-screen ads and optional rewarded videos. Ad availability depends on your network.