If you intend to stop playing, you can simply logout and delete the app, leaving your castles to be taken over by other Players.
If you want your information to be entirely deleted, please get in touch with our support team while you're logged into your account.
⚠️ Please note: When deleting your account all account related data will be deleted irreversibly! ⚠️
Additionally you can delete your account by entering the login settings in the login screen, and selecting the "Delete account" button.