Buy Galactic Civilizations IV - Expansion Pass 2 as a Steam key at Gamesplanet.com

Expand your strategic horizons with Expansion Pass 2, featuring five new DLCs, including Tales of the Terran Alliance, Federations & Empires, Hegemon, Ascension, and Underworld, each adding unique gameplay elements and fresh challenges to Galactic Civilizations IV.

Includes:

Galactic Civilizations IV - Tales of the Terran Alliance
Released on: Thu, December 4, 2025

Experience humanity's defining era in this Galactic Civilizations IV expansion. Face the Xendar, unlock an exclusive human tech tree, navigate 23rd-century Earth politics, and shape the rise of the Terran Alliance through dozens of lore-rich events, new ships, weapons, and buildings.

Expand the Human experience in Galactic Civilizations IV with new technologies, events, and tools that deepen the story of humanity’s rise among the stars.

Key Features:

• Play as the Xendar: Experience the civilization that shaped humanity's first interstellar war.
• New Human Technology Tree: A unique tech progression designed specifically for the Terran Alliance.
• Expanded Human Story Events: Encounter new narrative events that explore the origins, politics, and ambitions of humanity’s interstellar expansion.
• New Planetary Improvements, Weapons, and Defenses: Build and equip your worlds and fleets with Human-focused advancements.
• Additional Ship Components: Enhance your ships with new modules tailored to Human strategies.

Galactic Civilizations IV: Federations & Empires
Coming: April - June 2026

Transform your civilization with dynamic governments and political systems. Shape your society through ideology, governance, and the will of your people.

Transform your civilization with dynamic governments and political systems. Hold elections, choose forms of governments, choose from many new policies based on your previous choices and navigate the complex politics of empire management. Shape your society through ideology, governance, and the will of your people.

Galactic Civilizations IV: Ascension
Coming: October - December 2026

Transcend biology itself. Uplift primitive species into space faring civilizations, genetically engineer your population for greatness, and implement breeding programs to perfect your species.

Transcend biology itself. Uplift primitive species into space faring civilizations, genetically engineer your population for greatness, and implement breeding programs to perfect your species. Shape evolution, create client races, and determine the biological future of the galaxy.

Galactic Civilizations IV: Hegemon
Coming: April - June 2027

Dominate the galaxy through influence, not just force. Establish client states, manipulate the United Planets, and meet newly ascended civilizations.

Dominate the galaxy through influence, not just force. Establish client states, manipulate the United Planets, and meet newly ascended civilizations. Control galactic politics, build spheres of influence, and become the hegemon that shapes the destiny of all space faring species.

Galactic Civilizations IV: Underworld
Coming: October - December 2027

Descend into the galaxy's criminal underworld. Every civilization has an underworld. Will you suppress it, exploit it, or become it?

Descend into the galaxy's criminal underworld. Control black markets, sponsor pirate fleets, engage in deep espionage, smuggle forbidden goods, and build criminal syndicates that operate beyond the law. Every civilization has an underworld. Will you suppress it, exploit it, or become it?