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After completing level 10, open level 11 in any difficulty to see the unlock screen. You can also choose Unlock full game in Settings. Apple shows the price and asks you to confirm. One purchase unlocks levels 11+ in Easy, Medium and Hard.

Use the same Apple Account you used to buy the full game. Open Settings → Restore Purchases, or use Restore Purchases on the unlock screen. A connection may be needed. Restoration restores access, not game progress.

A purchase awaiting approval stays pending until Apple confirms it. The free levels remain available. If a purchase fails or is canceled, access does not change. Check your connection and Apple Account, then try Restore Purchases if Apple has already charged you.

Yes, use the same Apple Account and Restore Purchases on a compatible device. Each device keeps separate progress and saved boards. There is no cross-device progress sync or game account.

Every starting board is verified to have a full-clear solution. Some routes leave single tiles behind. Use Undo or Reset to try another approach. Please include the difficulty and level number if you report a suspected problem.

Open Settings and turn Sound effects off. Touch feedback has a separate switch. Both preferences are saved on the device.

Deleting the app removes its local progress. An Apple device backup may restore that data, but the game does not run its own backup or cloud-sync service. Restore Purchases can recover the paid unlock without recovering progress.

Apple manages App Store payments and refund requests. Visit reportaproblem.apple.com and sign in with the purchasing Apple Account. If Apple revokes the purchase, the free levels remain available.

Your device model, iOS/iPadOS version, app version, difficulty and level number, and steps to reproduce the issue. A screenshot can help. Do not send payment-card details, passwords or sensitive information visible elsewhere on your screen.