You can turn off game notifications in your device settings:

📌For iOS devices:
1. Open your device's Settings.
2. Find Manor Matters in the application list and select it.
3. Go to Notifications (the right side of the screen) and turn off Allow Notifications.

📌For Android and Amazon Kindle devices:
1. Open Settings → Applications.
2. Find Manor Matters in the list of installed apps and select it.
3. Untick Allow Notifications.