: Cities now have a loyalty metric; if it falls too low, they may revolt and become independent "Free Cities" or even join a rival civilization.
: Players must choose where to place a Campus for science or a Holy Site for religion based on terrain bonuses—placing a Campus next to mountains, for instance, provides a science boost. Sid Meier’s Civilization VI Free Download (Incl...
: Driven by Science, this tree unlocks military units and industrial advancements. : Cities now have a loyalty metric; if
The game introduces a "dual-tree" system, separating progress into and Civics . Dual Trees: Science and Civics
: Both trees are dynamic; performing certain in-game actions (like founding a city on the coast) triggers a "Eureka" moment, instantly providing a 40% boost to a related technology. New Layers of Strategy: Loyalty and Eras
: Even iconic World Wonders now occupy their own hexes, requiring specific terrain and blocking other potential improvements. Dual Trees: Science and Civics