Poseidon: Zeus Official Expansion May 2026

Should we focus more on the of the Atlantis campaign or dive into the mechanical changes to trade and industry?

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

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

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

Command new warships and protect your trade routes from the terrors of the deep. Build massive Frigates to dominate the Mediterranean. Gods and Monsters Should we focus more on the of the

New deities join the pantheon—and they aren't always friendly.

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. Build a sanctuary to the Earth-Shaker to ensure

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