strategy game, Civilization series, turn-based, empire building, historical leaders, 4X (explore, expand, exploit, exterminate), Sid Meier, Civilization VI, hexagon tiles, city-states, diplomacy, technology tree, multiplayer, moddable, cultural victory, military conquest, science victory, world wonders, PC gaming, high replay value, dynamic weather, day-night cycle, detailed terrain, strategic resources, trade routes, grand strategy, AI opponents, peaceful builder, aggressive warmonger, cultural influencer, scientific innovator, historical accuracy, immersive soundtrack, cloud saves, Steam Workshop, expansion packs, Gathering Storm, Rise and Fall, global leaderboards, achievements, tutorial, in-depth strategy guide, community challenges, cross-platform play.