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Hearts of Iron
Developer(s) Paradox Interactive
Publisher(s) Strategy First
Engine Europa Engine
Platform(s) Microsoft Windows, Mac OS, Mac OS X
Release date(s) 2002
Genre(s) Strategy
Mode(s) Single player
Rating(s) ESRB: E (Everyone)
USK: 12+
People's Republic of China: Banned
Media 1 CD-ROM
System requirements Windows:
64 MB RAM, 4X CD-ROM drive, DirectX 8.1, Windows 95
333 MHz CPU, 128 MB RAM, Mac OS 9 or Mac OS X
Input methods Keyboard, mouse

Hearts of Iron is a grand strategy computer game developed by Paradox Interactive and published by Strategy First, set in the years 1936-1948. In the game you can control any one nation as World War II unfolds. It was released for Windows-compatible PCs in 2002. A Macintosh version was also released by Virtual Programming. The lead game programmer was Johan Andersson. A sequel, Hearts of Iron II, was created and released in 2005 with several changes in the tech tree and gameplay. Hearts of Iron III was released on August 7, 2009.




Hearts of Iron is based on Paradox's successful Europa Universalis game engine, but has many changes:

  • a tech tree divided into 14 sections (infantry/artillery/industry/armoured units/navy/etc.), with dozens of researchable technologies in each section and the ability to customize some units.
  • an economic model based on four natural resources: coal, steel, rubber and oil on which the armed forces and industry depend.
  • Several military and political leaders to choose from.
  • A variety of military units, from colonial militia to ICBMs.
  • A weather model, affecting movement and combat efficiency of units.

Gameplay revolves around surviving (either before or during) World War II, and the player may cause or witness events different from how they historically occurred. Hearts of Iron is considered an alternate history game.

There are three main alliances in the game, the Allies, the Axis, and the Communist International that the player can either participate in or stay out of. The game ends when there is only one alliance left standing or on midnight, December 30, 1947, and the winning alliance is determined through a victory point system, giving points to alliances controlling key regions or cities.


The game was banned in the People's Republic of China because the game depicts Tibet, Sinkiang, and Manchuria as independent countries, and Taiwan under Japanese control (historically, Taiwan was under Japanese control at the time) [1] Paradox Interactive maintains that the game is historically accurate, and that it represents the "rough times" that China endured, as well as the incredible odds that the Communist Party of China overcame in order to win the Chinese Civil War.[2]


External links


Simple English

Hearts of Iron (HOI) is grand strategy real-time simulation game developed by Paradox Interactive in Sweden.


Four series have been published:

  • Heart of Iron
  • Heart of Iron 2
  • Heart of Iron 2 Doomsday
  • Heart of Iron 2 Doomsday Armageddon

Heart of Iron 3 will be published in the latter months of 2009.

In this game, the player takes all authority of their selected nation in the part of military. World War 2 is background of this game. So the player can select all nations that exist when WW2 occurred. Player’s goal is surviving in the historical flood of WW2 and conquering the world (if you can do it). In order to survive in the game, the player has to develop his/her nation’s technology level and organize the nation’s economy for war. And, because each political regime has different characteristics in process of war, political statement can be important too. However, because this game is a war game, the most important thing is making army, navy, and air-force and control them to make your nation larger.


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