GeForce Now is bring GOG support for the service. This has been a highly requested as many people prefer buying their games from GOG. There is no date of when GOG support is coming however it is now on the roadmap so it hopefully it will be coming soon. The first two anticipated games being supported will be Cyberpunk 2077 and The Witcher 3 Wild Hunt.
Cyberpunks 2077 is hype levels are through the roof and on GeForce Now it has been confirmed that it will be receiving Ray Tracing support. The Witcher 3 pedigree is well known and for many people, it is one of their games of the generation.
We will keep you updated of when GOG support becomes available.