In today’s Stadia Connect 8.19.2019 Game Announcements, Google has confirmed that CD Projekt Red’s highly-anticipated Cyberpunk 2077 will be available on arriving on Stadia.
https://www.youtube.com/watch?v=IUgvuvyET8M
Cyberpunk 2077 will release April 16th, 2020, for PC, Xbox One and PlayStation 4. The Google Stadia version will launch the same year — additional details will be made available at a later date.