Hearts of Iron 4 Wiki

Latest news

Game history

2020-11-26 - Patch 1.10.3 released
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)
2018-03-08 - Patch 1.5 released (alongside Waking the Tiger)

Video diaries

2020-10-15 - Battle for the Bosporus - Release trailer
2020-10-14 - Battle for the Bosporus - Greece: Feature Highlight
2020-10-13 - Battle for the Bosporus - Bulgaria: Feature Highlight
2020-10-12 - Battle for the Bosporus - Turkey: Feature Highlight
2020-02-25 - Hearts of Iron IV - Patch 1.9 tutorials

Developer diaries

2020-10-21 - Dev diary #7 - Telemetry
2020-10-14 - Dev diary #6 - 1.10 'Collie'
2020-10-07 - Dev diary #5 - Art and Achievements
2020-09-30 - Dev diary #4 - Yugoslavia and Romania
2020-09-23 - Dev diary #3 - Turkey

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

Want to help improve the wiki?

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.