Good news for gamers whove been eyeing Valves upcoming Steam Machines: Unreal Engine 4.1 will support the Linux-based SteamOS after a pending update. In a blog post today, Epic Games Mike Fricker announced that the source code now includes initial support for running and packaging games for Linux and Steam OS. This means that upcoming UE4 titles like Daylight and Fortnite could be ported to the systems.