Support

Stuck, found a bug, or a rule that refused something it shouldn't have? Write to sozdemircim@gmail.com — a screenshot of the board helps.

Common questions

The board refused a digit that looks legal. That is the hidden rule at work. Every refusal is caused by a digit already visible on the board; tap “Point at the cause” under the refusal to find it.

I bought the Full Game on another device. Open Settings in the app and tap Restore purchases. Purchases follow your Apple ID.

I want to start over. Settings → Start over clears all local progress. This cannot be undone.

Which languages? English, German, Japanese and Korean, following your device language.

Rulehunt is made in Istanbul by Süleyman Özdemirci.