100% free. No Ads. Beautifully simple sudoku. Play 1,600 puzzles across four difficulty levels. Collect achievements, compete in leaderboards and save your progress with Google Play Games. There are a lot of sudoku games out there, but this one is different. It has simplicity at its core. You won't find page after page of complex settings. This is the classic brain puzzle game reimagined with a clean, minimalist, material design. A note on app permissions: In order to improve future releases, this game requires networking permission to upload anonymous crash reports. However, internet access is not required. The game is fully playable when you're offline.