Poseidon: Zeus Official Expansion Apr 2026

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

The expansion includes a robust , allowing you to craft your own Greek myths. Design custom maps, set complex victory conditions, and script your own divine interventions to share with the community.

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 Poseidon: Zeus Official Expansion

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.

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

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

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

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.