zlacker

I thought of OnLive, Shadow, and Geforce Now.

The only one of those I'd used was Geforce Now, and found it very similar to Stadia wrt latency. Stadia had a much nicer interface, though.

>>silisi+(OP)
PlayStation Now already existed for years as well.

>>snuxol+D2
Which they got through their acquisition of Gaikai (considered a competitor of OnLive).