Is Galactic Civilizations IV co-op?

Yes, Galactic Civilizations IV supports co-op.

Does Galactic Civilizations IV have PvP?

Yes, Galactic Civilizations IV has player-versus-player modes.

Do we both need to own Galactic Civilizations IV to play together?

Yes. Galactic Civilizations IV is played online, so each player needs their own copy on their own Steam account (or PC Game Pass where it is offered). Steam Families can share a library, but two people cannot play the same shared game at the same time.

How many people play Galactic Civilizations IV?

About 330 players were in-game when this page's data was last refreshed (2026-09-09).

Ready Up — what game do we play?Compare two Steam libraries →

Multiplayer games › Strategy › Turn-based & grand strategy

Is Galactic Civilizations IV multiplayer or co-op?

Yes — co-op and PvP. Galactic Civilizations IV is a turn-based & grand strategy game released in 2023, 73% positive on Steam (1,887 reviews), with 330 playing right now. $13.19 on Steam.

Co-opPvPSingle-player tooStrategy · Turn-based & grand strategy

Take command of a civilization that has just achieved faster-than-light travel in Galactic Civilizations IV, the newest entry in the award-winning space 4X…

How Galactic Civilizations IV plays with friends, according to Steam

Online co-op: Yes
Local / split-screen co-op: Not listed on Steam
Online PvP: Yes
LAN play: Not listed on Steam
Cross-platform multiplayer (Windows / Mac / Linux): Yes
Single-player mode: Yes
Mods: Steam Workshop

Steam's own category list for the game, as of 2026-09-09. "Not listed" means the store page does not claim that mode; community mods or Remote Play can still add it.

Steam tags: Space, Grand Strategy, Simulation, 4X, Strategy, Sci-fi, Exploration, Sandbox

Do you and a friend both own Galactic Civilizations IV?

Ready Up compares two Steam libraries and shows every multiplayer game you both have — including whether Galactic Civilizations IV is one of them — then helps you pick tonight's game with a weighted roll or a bracket.

Or open the Steam store page.

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Tired of Galactic Civilizations IV? The Swap tab finds the closest unowned games of the same type that are newer or rated higher.

Quick answers

Is Galactic Civilizations IV co-op?: Yes, Galactic Civilizations IV supports co-op.
Does Galactic Civilizations IV have PvP?: Yes, Galactic Civilizations IV has player-versus-player modes.
Do we both need to own Galactic Civilizations IV to play together?: Yes. Galactic Civilizations IV is played online, so each player needs their own copy on their own Steam account (or PC Game Pass where it is offered). Steam Families can share a library, but two people cannot play the same shared game at the same time.
How many people play Galactic Civilizations IV?: About 330 players were in-game when this page's data was last refreshed (2026-09-09).

Ready Up is a free tool: enter two Steam usernames and it lists the multiplayer games you both own, runs a bracket to pick one, and suggests new co-op games that fit how you both play. Ratings, tags and player counts from Steam and SteamSpy; page updated 2026-09-23. Powered by Steam — not affiliated with or endorsed by Valve Corporation or Microsoft. Ready Up is a Somebody Decide program. How the data works · Legal & privacy · All types · Game Pass