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Hearts of Iron III

Game overview

Hearts of Iron III

Paradox Development Studio · Aug 7, 2009

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 scenarios. Guide your nation to glory between 1936 and 1948 and wage war, conduct diplomacy and build your industry in the most detailed World War 2 game ever made.

Grand Strategy Strategy World War II Historical Simulation
Players now
36
Recorded peak
79
24-hour change
0%
Steam reviews
71.1% positive
5,308 reviews · via SteamSpy

Player count observed . Values marked unavailable are not estimated. Recorded peak is the highest player count observed by SteamIQHQ; earlier records may be outside our coverage.

About this game Read the full description
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 scenarios. Guide your nation to glory between 1936 and 1948 and wage war, conduct diplomacy and build your industry in the most detailed World War 2 game ever made.
Features:
  • Play as any nation from 1936 to 1948, more than 150 countries to choose from.
  • Control the oceans with aircraft carriers, submarines and battleships and use your air force to defend your skies, support your naval and ground forces, and to bomb your enemies
  • Thousands of historically accurate real-world military commanders and politicians.
  • Realistic military command AI with unprecedented levels of interaction
  • In-depth diplomatic and political system.
  • Historical accuracy combined with an unparalleled level of freedom of choice
  • More than 10,000 land provinces makes the game five times more detailed than HoI2 and the most detailed depiction of World War 2 ever made.
  • Customize your divisions in detail with more than 20 types of brigades
  • New economic system makes it possible to buy weapons from abroad.
  • Mobilization and reserves gives the option of surprise attacks, Blitzkrieg made real.
  • Government-in-exile makes it possible to continue to struggle from abroad with underground movements and uprisings against the oppressing power.
  • Strategic warfare system makes it more important to defend the skies and oceans against foreign attacks; leaving cities open to enemy bombing will now be devastating.
  • A completely new intelligence system, with several types of intelligence sources, makes it possible to get information about enemy reserves and troop movements.
  • Assign troops to "theatres" on the map to fight two-front wars more successfully.
  • The new AI system and more detailed map will allow for more strategic decisions.
  • Flexible technology system with hundreds of categories, where major powers get their own unique attributes.
Media gallery 5 screenshots · 0 videos
Hearts of Iron III game capsule image

Screenshots

Hearts of Iron III screenshot 1
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Hearts of Iron III screenshot 5

Player activity

Concurrent players over the last 48 hours.

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Latest news

All news on Steam ↗
Hearts of Iron III security update May 4th Hearts of Iron III Security Update Paradox is making board games via Kickstarter
System requirements Windows · macOS

Windows

Minimum

  • Operating System: Microsoft® Windows® 2000/XP/Vista
  • Processor: Intel Pentium IV 2.4 GHz or AMD 3500+
  • Memory: 2 GB of RAM
  • Hard Disk Space: 2 GB
  • Video Card: NVIDIA GeForce 8800 or ATI Radeon X1900 videocard
  • Sound: Direct X-compatible sound card
  • DirectX®: Direct X 9.0

macOS

Minimum

  • OS: OS X 10.5.8 or higher
  • Processor: Any Intel CPU
  • Memory: 128 MB VRAM, 1GB RAM
  • Hard Disk Space: 1.3 GB hard disk space
  • Video Card: GeForce 7300, Radeon HD 2400 (GMA cards not supported)
  • Internet: Broadband connection for Internet play
  • Registration: Internet connection for registration
Game details Languages, features & support
Publisher
Paradox Interactive
Brazilian rating
10
Steam Germany rating
12
Metacritic
77
Features
Single-player, Multi-player, Co-op, Steam Trading Cards, Family Sharing
Languages
English, French, German, Spanish - Spain
Compatibility & accessibility Steam Deck, controllers & access features

Can I Play This?

Steam declarations and Valve's Steam Deck compatibility result. Missing data is shown as unknown, never unsupported.

Sources fresh
Native Steam builds
Windows: unknown
macOS: unknown
Linux: unknown
Steam Deck
unsupported
Valve compatibility test
Input
Controller support: unknown
Structured language support (4)
LanguageInterfaceFull audioSubtitles
EnglishYesNoNo
FrenchYesNoNo
GermanYesNoNo
Spanish - SpainYesNoNo

Third-party requirements shown by Steam

Requires agreement to a 3rd-party EULA Hearts of Iron III EULA
Steam store page fresh · checked 2026-11-01 PCGamingWiki technical notes External link only; SteamIQHQ does not ingest PCGamingWiki content.
More analysis Activity patterns, updates & developer tools

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Game Insights

Player Health

Healthy — 50 daily average.

Stable player base with low churn risk.

▬ -1% trend

Multiplayer Viability

Declining — 57 CCU.

Population trend: Stable. Finding matches may be harder.

▬ Stable population

Genre Benchmarks

Player Count Top 25%
Value Ratio Top 33%

Activity Heatmap

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Developer Analytics

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Frequently Asked Questions

How many people play Hearts of Iron III?
Healthy — 50 daily average. Stable player base with low churn risk.
Is Hearts of Iron III multiplayer dead?
Declining — 57 CCU. Population trend: Stable. Finding matches may be harder.
How many players are currently playing Hearts of Iron III?
36 players are currently in-game on Steam.
What is the recorded Steam price for Hearts of Iron III?
The last observed Steam price for Hearts of Iron III is $9.99. Check Steam for current pricing and availability.
What genre is Hearts of Iron III?
Hearts of Iron III is a Strategy game.
Who developed Hearts of Iron III?
Hearts of Iron III was developed by Paradox Development Studio and published by Paradox Interactive.
What platforms does Hearts of Iron III support?
Available on Steam for Windows, macOS.

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