If you experience trouble making a purchase, follow the steps below:
Make sure in-app purchase options are set correctly on your device. Play Store > Payment Methods
Close the game from the background and restart it.
Check that date and time zone settings are correct on your device.
Verify that you are using a valid payment method and that your payment information is up to date.
Purchases need to be made with the same Google Play ID used to download The Walking Dead: No Man's Land.
Check that all your Google apps are up to date (Google Play, Google Services, ...) and that you agreed to Google's latest Terms and Conditions.
In case you still experience issues, contact Google Support. (This link will redirect you outside of the game)
All monetary transactions in The Walking Dead: No Man's Land are handled and monitored by Google and they are the right party to contact if you experience problems. Note that Next Games is not able to influence any payment related processes.