Deep link

https://docs.unity3d.com/ja/2021.2/Manual/deep-linking.html

Deep links are URL links outside of your application that direct users to a location in your application. When the user clicks a deep link for an application, the operating system opens the Unity application at a specified place (for example, a specific scene).

AppleのOSでは使える

UWPでも使えるみたい