SUPREMACY: WORLD WAR 3: online co-op

Mar 15, 2018
2+players

Strategy · Wargame · Grand Strategy

This Long Term Strategy Game lets you take control of the armed forces of your nation. Become responsible for its military expansion, technological research and economic development. Form alliances and wage total war for global dominance on the battlefields of World War 3.

74%Mostly positive6,000 Steam reviewsSteam Deck unsupported

Who can play

Store

Split-screen is not confirmed.
Online on PC. How many can join is not confirmed.
Free to play.

SteamPrice on SteamPlay free

Free to play

How it plays

Is it good

74%

Mostly positive on Steam

of 6,000 reviewsRead on Steam (opens the store in a new tab)

Steam Deck Unsupported

Every way to play together

Steam lists online co-op for PC. Free to play. Player counts are not confirmed yet. 74% positive of 6,000 Steam reviews.

- PC
PCStore (how we check facts)
Same screen
Not listed
Same room, own screens
Not listed
Online
2+players, co-op and versus

Play modes here come from the Steam store listing, which does not give player counts. How we check facts

Quick facts

Developer: Dorado Games
Platforms: PC
Released: Mar 15, 2018 on PC
Languages: Text in 24 languages, voices in English
Also needs: Conflict of Nations: Modern War Account

In these lists

Answers

Updated October 27, 2026

Does SUPREMACY: WORLD WAR 3 have couch co-op?: No same-screen play is confirmed. The Steam listing does not include it on PC. Online play is the way to play it together.
Do you need two copies of SUPREMACY: WORLD WAR 3?: No. It's free to play.; One of 1,371 co-op games where one copy is enough
What platforms is SUPREMACY: WORLD WAR 3 on?: PC.; One of 3,994 co-op games
Does SUPREMACY: WORLD WAR 3 work on Steam Deck?: No: Steam rates it Unsupported on Steam Deck.
Is SUPREMACY: WORLD WAR 3 free?: Yes, it's free to play.

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