E3: Steam Deck Wont Play All Your Steam Games At Launch Warns Proton CoDeveloper
Valve's portable gaming device, the Steam Deck, is scheduled to launch later this year. With it comes the prospect of taking your entire Steam library on the go with you, a feature that was seemingly confirmed when the portable platform was first announced. But that might not be the case at launch, with Codeweavers president James B. Ramey asking buyers to check their expectations.
Codeweavers co-developed Proton with Valve. Proton is the layer through which SteamOS is able to run native Windows titles on Linux, which ships with the Steam Deck. As you might expect, there are some cases where games will not work as intended with SteamOS out of the box, with Proton currently supporting around 16,000 games that are listed on Steam. That's a large number (especially since it was only 27 in 2018), but it's still not all of the games on Steam, which might end up conflicting with some of your purchases.
The confusion around library-wide compatibility seems to have stemmed from an interview conducted between IGN and Valve’s Pierre-Loup Griffais. In it, Griffais mentions that the Steam Deck will be able to handle all games currently sold on Steam, something which Ramey interprets as more to do with hardware compatibility than software. Speaking on the Boiling Steam podcast, Ramey warned that there definitely will be some games that won't work with the Steam Deck at launch.
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