[Matra et Alpine]

By all accounts they have a novel compression scheme which means they can deliver the performance.
In a massively multiplayer online game their is a huge amount of data having to flow between all the PC/consoles about all the positions of everyone.
THis approach removes the need for most of that.
Your move/position gets sent, their gaming engine receives all of those and then sends the image info.
I can see if they are controlling 3d objects at a high level then it's easily possible