Play Sudoku offline, for free
Load the game once online, then come back and play free, ad-free Sudoku without an internet connection.
Sudoku.so now supports free offline play. Open the game once while you’re online and let it finish loading. Then return to that game page in the same browser to keep playing, even without an internet connection.
- Puzzles wherever you go: Start new puzzles and keep solving on flights, on your commute, or anywhere without a signal.
- Pick up where you left off: Your game, notes, move history, and timer are saved on your device.
- Always free and ad-free: No app installation or subscription required.
Account features, daily challenges, and leaderboards still need an internet connection. Keep the site’s browser data to preserve your offline access and saved progress.