This content requires the base game Anno 2070u2122 on Steam in order to play.In the depths of the ocean and hidden in overgrown stones for years, the Techs unleash their ultimate power: Geothermal Energy Generation. The most powerful tool of the future forces the world of 2070 to expand exploration into the deep blue sea. Becoming the focus of gameplay, underwater plateaus offer new industries, large production chains, and resources.Success elevates the Techs to a new level: the Genius population. They assert themselves even over the oceanu2019s surface. An impressive monument and various new buildings strengthen their position.Underwater exploration and exploitation require players to take advantage of their environment and master a brand-new resource, using diplomacy and trade as powerful weapons to make their civilizations thrive in this hostile environment.Bound to islands lost in the deep blue sea, players will have to conquer remaining stretches of land and dive underwater to create a futuristic, submerged industry to support an expanding economy.To nurture supremacy, players will construct new buildings, erect monuments, open power plants, exploit exclusive energy resources, develop underwater trading routes, and gain access to a new civilization development stage to take control of the advanced Genius population.Even though evolution is at the heart of the gameplay, donu2019t underestimate the environment u2013 beware of devastating natural disasters like tsunamis!