davojta

https://en.wikipedia.org/wiki/Chromium_Embedded_Framework is support linux, windows and macos

actually game industry are adopting the web like desktop app (in launchers and other client parts (events, etc) using CEF for example).

Web tech is highly dynamic and gives you the ability to change your product very quickly, deliver the value and it is quite cheap in comparison to c++ analogs.

It's really possible to use in online web games. I have participated in development of global map in wargaming: https://ru.wargaming.net/globalmap/ . It's turn based strategy for clan leaders in worldoftanks universe.