Poseidon: Zeus Official Expansion May 2026

Construct Libraries , Universities , and Laboratories . The Atlanteans prioritize logic and discovery, unlocking new ways to optimize your city’s efficiency.

Should we focus more on the of the Atlantis campaign or dive into the mechanical changes to trade and industry? Poseidon: Zeus Official Expansion

Harness the power of Orichalcum , the fabled red metal, to forge advanced weaponry and adorn your greatest monuments. Cultivate Hippocampi to bolster your naval supremacy. Construct Libraries , Universities , and Laboratories

Protect your citizens from the Chimera , the Sphinx , and the Echidna . Dispatch heroes like Bellerophon or Atalanta to rid your lands of these curses. The Editor’s Toolset Harness the power of Orichalcum , the fabled

Embark on a massive new adventure spanning the rise and fall of the Atlantean civilization. Unlike the isolated city-states of Greece, Atlantis is a hub of science and seafaring. You aren't just building a city; you are engineering a continent.

The Wine-Dark Sea Calls. You have mastered the heights of Olympus; now, it is time to conquer the depths. Poseidon is the official expansion to the legendary city-builder Zeus: Master of Olympus , shifting the focus from the rugged mainland to the sprawling maritime empire of Atlantis. New Campaign: The Birth of Atlantis

Build a sanctuary to the Earth-Shaker to ensure calm seas and bountiful fishing. New Rivals: Face the wrath of Hera or Atlas.