It would have to be game changing! Get it?!? “Game” changing?!? Ah, whatever.

Awful puns aside, it really would have to be a major step up in hardware. The Steam Deck is a platform developers (plus accessory makers and independent devs) care about. Even modern AAA game devs will often try to make their games playable on it even if they have to compromise. (It may not be technically possible or economically feasible but devs seem to all want to support the Deck even if their bosses have other plans.)

At some point, it’ll be impossible for the Deck’s hardware to handle recent games and then we’ll all upgrade to something that sets a new baseline and strikes a better balance — whether Steam Deck 2 or a competitor. But my guess is that it’s going to be more about hardware generations than something Microsoft does. (Proton might be nearly perfect by the time Microsoft makes a decent controller interface and they seem to be focused on shoehorning AI into Notepad and Paint instead of doing useful things.)