Sudoku Classic Offline

Sudoku - no ads classic Sudoku the way it should be. ad-free, fully playable offline with no internet needed, and no login, no account and no personal information required to play. Just open it and start solving.

Tired of number puzzles crammed with ads? This is a clean, calm, ad-free Sudoku built for focus and relaxation — no banners, no popups, no video ads, ever.

NO ADS, NO INTERRUPTIONS
- ad-free: no banner ads, no popup ads, no forced video ads.
- No ads between games — nothing interrupts your focus.
- A premium, ad-free experience, completely free.

PLAY OFFLINE - NO INTERNET
- Works fully offline: no Wi-Fi or internet connection required.
- Puzzles are generated on your device, so you can play anywhere.

NO LOGIN, NO PERSONAL INFO
- No sign-up, no login, no email, no account.
- No personal information required to play - privacy first.

GAME MODES
- Classic 9x9 Sudoku, plus 6x6 and 16x16 grids.
- 5 difficulty levels: Easy, Medium, Hard, Expert and Master.
- Daily Challenge: one fresh puzzle every day.

OPTIONAL GLOBAL RANKING
- Compete worldwide on the Today and This Month leaderboards.
- Uses an auto-generated anonymous nickname - no personal identity required.

SMART TOOLS
- Pencil notes with auto-remove, smart hints, and highlight matching numbers.
- Remaining-number counts and an optional mistake limit.

MAKE IT YOURS
- 4 color themes (light and dark) and 4 selectable fonts.
- Available in 9 languages.

TRACK YOUR PROGRESS
- Stats, achievements and daily streaks.
- Satisfying win celebrations for every solved board.

If you have been searching for a Sudoku with no ads, this is it - no ads, no internet needed, and nothing to sign up for. Just pure, relaxing Sudoku.

Download this free, ad-free, offline Sudoku today and enjoy calm brain training anytime, anywhere.