S urvival has long been key to Age Of Empires – and not only in those desperate moments when every stray villager must be called upon to turn the tide of a chaotic skirmish. The series’ standout second game, re-released to various levels of remastery over the past decade, has transformed an aged RTS classic into a multiplayer hit. As fans return to the 20-year-old gem, in numbers that would make developers of some modern multiplayer heavyweights blush, Relic now has a high bar to clear: can Age Of Empires IV earn a similarly loyal online community?