https://www.cnet.com/news/googles-gdc-2019-game-streaming-service-announcement-how-to-watch/

The service allows gamers to play standard PC games within Google's Chrome browser. The games are powered by Google's high-performance computers, which then stream the images to the web browser in a similar way Netflix streams videos. 

Google isn't the only company doing this. Sony's offered its PlayStation Now game streaming service since 2014, and chipmaker Nvidia offers one called GeForce Now. Microsoft is also readying an Xbox-related game streaming service, called Project xCloud, expected in the next couple of years.