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Sudoku.
Zero distractions.

A full-width board. Number buttons with room to breathe. Just you and the next possibility.

Free. Open source. No ads. No tracking.
No download needed. Your progress stays on this device.

Native iOS & Android releases are coming soon.

8,000 puzzles, courtesy of Sudoku Exchange.
Save it to your home screen for an app-like, offline-ready experience.