Although it is possible to achieve this with a simple config file. It would be nice to expose a functionality that starts a packaged game in fullscreen mode to the project description settings. Just like you guys did with “start in VR”.
Thank you!
The_Distiller,
I have logged this as a feature request here [UE-42295][1]. You can track the status of the request as it is reviewed by our development staff. Please be aware that this request may not be implemented, or that it may not be prioritized to occur anytime soon.
If this is important to your project, please respond here to let us know and we’ll be glad to discuss how you may be able to implement this yourself.