I believe it might be on GeForce Now once the game is fully released, as I don't think Nvidia puts on Early Access titles on there.
On one hand I don't think it does on the other since Stadia went caput Geforce now seems like the obvious choice.
But since Larian went with Stadia in the firstplace they might be trying to get a contract with other platforms which are still in the making. They have a quite good position to negotiate. We'll see
