Is Hearts of Iron III co-op?

Yes, Hearts of Iron III supports co-op.

Does Hearts of Iron III have PvP?

Steam does not list PvP for Hearts of Iron III.

How many people play Hearts of Iron III?

Player counts were not available when this page was built.

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

Multiplayer games › Strategy › Real-time strategy

Is Hearts of Iron III multiplayer or co-op?

Yes — co-op. Hearts of Iron III is a real-time strategy game released in 2009, not enough Steam reviews yet. $9.99 on Steam.

Co-opSingle-player tooStrategy · Real-time strategy

Hearts of Iron III lets you play the most engaging conflict in world history, World War 2, on all fronts as any country and through multiple different…

Steam tags: Strategy

Do you and a friend both own Hearts of Iron III?

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

Compare our libraries Steam store page

Games like Hearts of Iron III you can play together

Total War: WARHAMMER III

Real-time strategy · 73% positive on Steam (119,858 reviews) · 16,842 playing right now

Age of Empires II: Definitive Edition

Real-time strategy · 95% positive on Steam (162,462 reviews) · 13,465 playing right now

Age of Empires IV: Anniversary Edition

Real-time strategy · 86% positive on Steam (80,870 reviews) · 7,084 playing right now

9 Kings

Real-time strategy · 93% positive on Steam (5,252 reviews) · 6,920 playing right now

Age of Empires III: Definitive Edition

Real-time strategy · 85% positive on Steam (48,342 reviews) · 3,016 playing right now

Foxhole

Real-time strategy · 84% positive on Steam (44,068 reviews) · 2,821 playing right now

Tired of Hearts of Iron III? The Swap tab finds the closest unowned games of the same type that are newer or rated higher.

Quick answers

Is Hearts of Iron III co-op?: Yes, Hearts of Iron III supports co-op.
Does Hearts of Iron III have PvP?: Steam does not list PvP for Hearts of Iron III.
How many people play Hearts of Iron III?: Player counts were not available when this page was built.

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; updated 2026-09-08. Powered by Steam — not affiliated with or endorsed by Valve Corporation.