I tested it also no black screen for me. Try redownloading the game, if it is still a black screen try changing the resolution settings. Hopefully the dev respond to your request.
bizarre as what, if an automatic video card nativity in theory the game should start. here we talk about a game with unreal 5 graphics I can understand it can become black screen ... it happens rare to see this limit for resources. recently also changed video certainly not rtx nivda but I can play well.
Yes, Nvidia has a control panel…https://apps.microsoft.com/store/detail/nvidia-control-panel/9NF8H0H7WMLT