Underworld
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?
Coming in 2027
Wishlist Underworld on Steam
Galactic Civilizations IV: Expansion Pass 2
Each pack in Expansion Pass 2 will continue to enhance the deep strategic gameplay of Galactic Civilizations IV while introducing new lore, civilizations, mechanics, and content for both veteran players and newcomers alike.
Now Available
- Tales of the Terran Alliance
- Federations & Empires
- Ascension (coming soon)
- Hegemon (coming soon)
- Underworld (coming soon)
- Tales of the Snathi (coming soon)
Main Features
About This Content
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?