Modern Paradox games (see Stellaris and Crusaders Kings 2) do support cross-platform multiplayer^. Maybe you are confusing them with Civilization V/VI, which di

Modern Paradox games (see Stellaris and Crusaders Kings 2) do support cross-platform multiplayer^. Maybe you are confusing them with Civilization V/VI, which did launch without cross-platform support and it is broken periodically due to the Linux/Mac version lagging behind the Windows one after each major update. ^ Aside from the regular out-of-sync issues they suffer sporadically, no matter the platform.