Help with Sudoku Mystery
Email contacto@juandiegourdaneta.com with your app version and issue. Do not send passwords, payment card numbers or keys.
Progress and purchases
Progress stays on this device. Deleting the app deletes its local save; there is no cross-device sync. Settings & help → Restore purchases recovers Remove ads with the same Apple account. Your local price appears before confirming payment.
Hints and advertising
All explanations are free. An ad may appear after every two completed puzzles when you continue, never during a move. The first puzzle and story finale are ad-free. If no ad is available you can continue. Ad privacy options appear in Settings when applicable.