Stadia. Many game developers had spent months or even years of their life developing Stadia ports or exclusives and then it was cancelled without any warning.

Stadia. Many game developers had spent months or even years of their life developing Stadia ports or exclusives and then it was cancelled without any warning. As to whether it was successful - I mean, it didn't exist long enough to answer that question. Other things that come to mind are Chromecast Audio and OnHub.