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Is Supremacy: 1914 multiplayer or co-op?

Yes — co-op and PvP. Supremacy: 1914 is a turn-based & grand strategy game released in 2019, 75% positive on Steam (3,873 reviews), with 334 playing right now. Free on Steam.

Co-opPvPStrategy · Turn-based & grand strategy

Take over the control of one of the mighty nations during the times of World War 1 in the biggest WW1 strategy game of all time. Conquer provinces, forge…

How Supremacy: 1914 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
MMO
Yes

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: Strategy, Free to Play, War, Historical, World War I, Military, Grand Strategy, Simulation

Do you and a friend both own Supremacy: 1914?

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Tired of Supremacy: 1914? The Swap tab finds the closest unowned games of the same type that are newer or rated higher.

Quick answers

Is Supremacy: 1914 co-op?
Yes, Supremacy: 1914 supports co-op.
Does Supremacy: 1914 have PvP?
Yes, Supremacy: 1914 has player-versus-player modes.
Do we both need to own Supremacy: 1914 to play together?
Yes. Supremacy: 1914 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 Supremacy: 1914?
About 334 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