Sudoku by Staple Games
Sudoku by Staple Games is a clean, relaxing logic puzzle that’s perfect for quick breaks or deep focus sessions. Solve classic 9x9 boards with smooth controls, smart notes, and adjustable difficulty from Beginner to Expert. Enjoy offline play, daily challenges, and detailed stats that help you improve over time. Optional hints, conflict warnings, and undo make learning easy while preserving the satisfaction of a fair, logic-first solve.
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Choose a difficulty or start the Daily Challenge to begin a new 9x9 puzzle. Tap a cell and enter numbers 1-9 to complete rows, columns, and 3x3 boxes without repeats. Turn on Notes to pencil in candidates, then refine them as you eliminate possibilities. Use logic techniques such as singles, hidden singles, and candidate elimination to progress. Enable hints or error check if you get stuck, and use undo to correct mistakes without stress. Finish the grid, improve your best time, and keep a streak by playing offline anytime.
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