Getting Started

Here be dragons

Viewport worlds are experimental and we do not provide any support for it. This is because Unreal Engine itself does not support the concept of having secondary world running inside game world.

Viewport worlds are disabled by default and must be explicitly enabled by the developer, who must acknowledge that it is an experimental feature and might not support all types of levels. Go to Project Settings -> Viewport World -> Settings and select Enable Viewport Worlds (Experimental).

You can now open any UMG widget Blueprint and drag 'n' drop a viewport world widget which will host your target world.