Hearts of Iron 4 Wiki

Latest news

Game history

2021-08-05 - Patch 1.10.8 released
2021-05-21 - No Step Back expansion revealed
2020-10-15 - Patch 1.10 released (alongside Battle for the Bosporus)
2020-02-25 - Patch 1.9 released (alongside La Résistance)
2019-02-28 - Patch 1.6 released (alongside Man the Guns)

Video diaries

2021-06-03 - Eastern Front Planes Pack - Release trailer
2021-05-22 - PDXCON Remixed - 5 Years of Hearts of Iron
2021-05-21 - No Step Back - Teaser trailer
2021-05-21 - Hearts of Iron 4 - 5th Anniversary trailer
2020-02-25 - Hearts of Iron IV - Patch 1.9 tutorials

Developer diaries

2021-09-15 - Dev diary #22 - Bag of Tricks : the Sequel
2021-09-08 - Dev diary #21 - Railway guns never tire
2021-09-01 - Dev diary #20 - Trains and Supply (part 2)
2021-08-25 - Dev diary #19 - Bag of Tricks (part 2)
2021-08-18 - Dev diary #18 - Soviet Union Exiles

About this site

Hearts of Iron IV is a grand strategy wargame developed by Paradox Development Studio and published by Paradox Interactive. This community wiki's goal is to be a repository of Hearts of Iron IV related knowledge, useful for both new and experienced players and for modders.

Important pages

Getting started

State affairs

Foreign affairs

Warfare

Military branches

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Anyone can contribute to the wiki. If you want to become a contributor please register (though you can also edit anonymously), and check out the work needed page. If you spot anything in need of improvement, don't hesitate to make an edit. If you plan on making any major changes it is recommended you read the style guidelines first.