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Is Darkest Hour: A Hearts of Iron Game multiplayer or co-op?

Yes — online multiplayer. Darkest Hour: A Hearts of Iron Game is a turn-based & grand strategy game released in 2011, 90% positive on Steam (2,011 reviews), with 72 playing right now. $9.99 on Steam.

Online multiplayerSingle-player tooStrategy · Turn-based & grand strategy

Developed by a team of experienced modders from the Paradox forum, Darkest Hour is a stand-alone Hearts of Iron game. The game features a mixture of short and…

How Darkest Hour: A Hearts of Iron Game plays with friends, according to Steam

Online co-op
Not listed on Steam
Local / split-screen co-op
Not listed on Steam
Online PvP
Not listed on Steam
LAN play
Not listed on Steam
Single-player mode
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, Grand Strategy, World War II, Historical, World War I, Simulation, Wargame, Military

Do you and a friend both own Darkest Hour: A Hearts of Iron Game?

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Tired of Darkest Hour: A Hearts of Iron Game? The Swap tab finds the closest unowned games of the same type that are newer or rated higher.

Quick answers

Is Darkest Hour: A Hearts of Iron Game co-op?
Darkest Hour: A Hearts of Iron Game does not list co-op on Steam; it has Online multiplayer, Single-player too.
Does Darkest Hour: A Hearts of Iron Game have PvP?
Steam does not list PvP for Darkest Hour: A Hearts of Iron Game.
Do we both need to own Darkest Hour: A Hearts of Iron Game to play together?
Yes. Darkest Hour: A Hearts of Iron Game 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 Darkest Hour: A Hearts of Iron Game?
About 72 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