

Portal 2 is only the first, and with a launch less than a month away, expect lots more Steam Deck Verified news as AAA and indie titles pass what hurdles remain. Valve also offer a compatibility review service for developers, where they will evaluate your title and provide guidance for getting the game into a Steam Deck Verified state. The single-player portion of Portal 2 introduces a cast of dynamic new characters, a host of fresh puzzle elements, and a much larger set of devious test chambers. We will no longer be talking about Windows vs. Portal 2 draws from the award-winning formula of innovative gameplay, story, and music that earned the original Portal over 70 industry accolades and created a cult following. If Valve can get to a point where there isn’t even a discussion about Linux vs. Therefore, it doesn’t matter if you’re playing a Windows or a Linux game. In an interview with Boiling Steam, and anonymous developer stated that “once you’re playing a game, everything else melts away”. Is Valve trying to prove that Windows games run better through proton than by way of a native port? I guess it doesn’t matter. Some users on ProtonDB report better performance using the Windows version of the game. Secondly, the Portal 2 Linux is still maintained, but the Steam Deck verified version of the game is the Windows version using DXVK and Proton.

When it launched in 2015, Valve did not bake support into any of its titles like Half-Life 2, Portal or Left for Dead, so seeing support here is a win. First, it highlights one of the issues with Steam Controller.

This is a smart, but interesting choice for Valve on a number of fronts. Results aren't yet visible on the Steam store, but they can be viewed under the "steam_deck_compatibility" app info field. The first Steam game to have its evaluation for Steam Deck compatibility published is Portal 2, which passes with flying colors.
