I had one the other day too, playing Heavenly Bodies. Ran the game on my Kubuntu laptop (Nvidia GPU) , using steam in-house game streaming to my (old underpowered) Ubuntu desktop connected to the Big screen TV, and with 2 wireless Xbox360 controllers connected to the Ubuntu desktop
It Just Worked.
Gaming on Linux has gone from being a pipedream, to a niche, to being viable, and now to even being good