Find your next move, one clear deduction at a time.
Enjoy classic 9×9 Sudoku with a clean board, pencil notes, and hints that help you understand the reasoning. Start with the basics or settle into a harder puzzle at your own pace.
• Four difficulty levels, from Beginner to Expert.
• Daily challenges with a completion calendar and streak tracking.
• An optional hands-on tutorial for entering numbers, taking notes, and using logical hints.
• Logical hints with explanations and board highlights for single-candidate and single-position deductions.
• Notes, undo, erase, and highlighting for rows, columns, boxes, and matching numbers.
• Training levels and a replay of your moves after completing a puzzle.
• Statistics, daily goals, and badges to record your progress.
• Six themes, with sound, haptics, and optional daily reminders.
No account registration is required. Game progress is saved on your device. The app includes ads and an optional in-app purchase to remove them. When hint credits run out, you can choose to watch a rewarded ad for more hints.
Take a moment. Solve a puzzle.
