The most significant and helpful feature introduced in the expansion is the dynamic Environmental Effects system . This system makes the world feel "alive" by introducing natural disasters and climate change that players must navigate and mitigate. Key Gameplay Features
: A new era added to the tech and civics trees, introducing speculative technologies and "Giant Death Robots" for late-game dominance. New Content
: Players can now reshape the map with Canals , Dams , Tunnels , and Railroads to overcome unfavorable terrain or protect cities from floods.