Valve’s handheld device, the Steam Deck, wasn’t the first portable gaming PC ever created, but it is by the far the most successful. And like Steam becoming the de facto way people play PC games in 2025,

The Steam Deck has been the biggest PC gaming hardware story of the last few years. So it’s no surprise that the idea of running SteamOS (perhaps the most celebrated component of that machine) on other handhelds like the Legion Go S is also a big deal.