Stuck, found a bug, or a purchase didn't arrive? Email support@otfdp.com - it reaches a person, and we try to reply within 2 business days.
It helps to include which game, your device (for example "iPhone 15" or "Galaxy S23"), the app version from the game's Settings, and what happened. A screenshot is worth a lot.
| Game | Support | Your account |
|---|---|---|
| Assemble by Cyclogram | Help and FAQ | Delete your account |
| Color by Nonogram | Help and FAQ | Delete your account |
| Build by Nonogram | Help and FAQ | By email, with your account ID |
Purchases are handled by Apple and Google. If something you bought hasn't appeared, try Restore purchases in the game's shop first.