The Steam Machine is back (among other announcements), and the success of the Steam Deck has proved that this time around, things are very different. Game compatibility is largely very good thanks to Proton, but there is still an annoying fly in the ointment.
Anti-cheat is not a blanket exclusion on SteamOS, but in some of the biggest multiplayer titles on the planet, it very much is. It's because these systems are built for Windows, more specifically, to access the Windows kernel.
