4X games revolve around four pillars: explore the map, expand your territory, exploit resources, and exterminate rivals. These are deep strategy experiences where you manage economies, research technologies, build empires, and wage long campaigns across many turns or hours. Expect sprawling scope, careful planning, and emergent rivalries that grow over a single playthrough. Titles such as Age of Wonders III and Endless Legend exemplify the genre, rewarding patient players who enjoy steering a civilization from humble beginnings to dominance.