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EveryClue: Mystery Sudoku Support

Need a hand with the EveryClue: Mystery Sudoku app on iOS or Android? We reply within two business days:

[email protected]

A purchase didn't unlock

Purchases are fulfilled by the App Store or Google Play. First try the app's "Restore purchases" button with the same store account you bought with. If it still doesn't show up, email us with your store receipt and we'll sort it out.

Do I need to delete an account?

The app creates an anonymous synchronized account automatically; there is no sign-in form. In Settings, “Delete synchronized account” sends the deletion request, while “Clear local progress” removes only case-solving data on that device. To request deletion without using the app, email [email protected] with the subject “Mystery Sudoku account deletion”. Tell us your platform and, if available, the store order or transaction reference so we can locate and verify the anonymous account. Do not send passwords or payment-card details. We may need to verify ownership before processing a request. A request is not immediate erasure; minimal purchase-claim records may remain to prevent duplicate grants. You can ask us for the request status and retained-record details. See the EveryClue: Mystery Sudoku privacy policy.

I think a level is unsolvable

Each EveryClue: Mystery Sudoku case is machine-verified to have exactly one solution. That said, if a clue reads as contradictory, send us the case number and a screenshot — clarity bugs are real bugs.

Play in the browser

All 100 cases are also free on the web: play EveryClue: Mystery Sudoku online.