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Federations & Empires Expansion and v4.0 Update Now Available

Galactic Civilizations IV · Community Announcements · July 30, 2026

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Galactic Civilizations IV: Federations & Empires Turns Every Form of Government Into a Different Game

Expansion arrives alongside free Version 4.0 update for every owner, adding additional forms of Government, a hand-built Map Editor, internal Political Parties, Leader-run Institutions, smarter AI, and a redesigned Diplomacy screen

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Stardock today released Galactic Civilizations IV: Federations & Empires, an expansion that replaces the series' single government track with four completely distinct forms of government. The base game gives players one way to govern. Federations & Empires rebuilds the entire Government screen around each form's own resource, core loop, and free hero ship, so picking one means playing what feels like a different strategy game. The expansion is available now on Steam and it ships alongside a free Version 4.0 update for every Galactic Civilizations IV owner.

[p align="start"]"Our goal is that each government type changes the way players play the game," said Brad Wardell, Lead Designer of the expansion. "Each government has its own special ships, resources, improvements, and more."

New forms of government each giving a new game experience

[p align="start"]Players now have five distinct ways to govern a civilization in Galactic Civilizations IV: the free Colonial Charter included in Version 4.0, and four new advanced governments introduced in the expansion.

[p align="start"]The Governments include:

[p align="start"] 

Politics that pushes back

[p align="start"]Federations & Empires introduces four Political parties: Militarists, Progressives, Traditionalists and Industrialists, whose influence rises and falls based on what is actually happening in your empire. Parties make demands, form coalitions, and put pressure on which policies you can pass.

[p align="start"]Elections, coups, popular revolutions, and secession crises are driven by game state, not random rolls. Run an Empire badly enough and the people rise up. Let your military faction grow too strong during an unpopular war and your general may seize power. The player always has a meaningful choice in the resolution.

Free for Galactic Civilizations IV owners: the v4.0 update

[p align="start"]Every Galactic Civilizations IV owner receives Version 4.0 at no cost. That update is also where the Colonial Charter ships, alongside the following.

Galactic Civilizations IV: Federations & Empires is now available to play on Steam. The free v4.0 base-game update has also been released simultaneously to all Galactic Civilizations IV owners on all platforms.

Screenshots

Federations & Empires:

v4.0 Update:

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