Sudoku Classic

Sudoku Classic is the number puzzle you know, made calm and clear. Fill the 9×9 grid so every row, column and 3×3 box holds the digits 1 to 9 once.

★ PUZZLES THAT ARE FAIR
Every puzzle has exactly one solution and is made on your phone, so you never run out. Four levels, from Easy to Expert, are graded by the solving techniques they need, not just by the number of clues.

★ DAILY CHALLENGE
A new puzzle every day. Keep your daily streak going and see how many days you have completed.

★ PLAY YOUR WAY
• Notes mode for pencil marks, cleared automatically when you place a number
• Auto-check that shows wrong numbers right away, or turn it off for a classic challenge
• Mistake limit of 3, which you can switch off
• Highlights for the row, column and box and for identical numbers
• Undo, erase and a count of how many of each number are left
• A free hint in every game

★ TRACK YOUR PROGRESS
Statistics for each level: games won, win rate, best and average times, wins with no mistakes and win streaks.

★ MADE FOR RELAXING
• Works offline, no account needed
• Your game is saved after every move
• Light and dark themes, 9 languages
• Sound and vibration can be turned off