Valve has shipped “hundreds” of Steam Deck dev kits last month, still on track to launch in February

According to the latest Update from ValveSteam Deck will not only ship on time (“Despite the global pandemic, supply issues, and shipping issues, it looks like we’ll be able to start rolling out this content by the end of February”), but a ton of game developers will have their own in advance to help ensure their games are fully compatible with handheld devices.

valve Deck Verification Program Games that meet their Steam platform compatibility category will be ticked, including full controller support, as well as support for a default resolution of 1280×800 or 1280×700 and readable text. one look Portal 2 in SteamDB Indicates that it has a Steam Deck compatibility level set, presumably to be seen in storefronts soon.