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Game history

2020-06-04 - Patch 1.9.3 released
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)
2017-06-14 - Patch 1.4 released (alongside Death or Dishonor)
2016-12-15 - Patch 1.3 released (alongside Together for Victory)
2016-06-06 - Hearts of Iron IV released

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Video Diaries

2020-02-25 - Hearts of Iron IV - Patch 1.9 tutorials
2020-02-25 - La Résistance - Release trailer
2020-02-18 - La Résistance - Agency Highlight
2020-02-15 - La Résistance - Operations Highlight
2020-02-11 - La Résistance - Portugal Highlight
2020-02-09 - La Résistance - Spain Highlight
2020-02-06 - La Résistance - Intel Highlight
2019-03-13 - Hearts of Iron IV - Patch 1.6 tutorials
2016-05-30 - Hearts of Iron IV - Beginner tutorials

Developer Diaries

2020-06-03 - Dev diary #33 - 4th Anniversary posted
2020-04-15 - Dev diary #32 - 1.9.2 Update posted
2020-04-08 - Dev diary #31 - 1.9.1 Patch & Roadmap update posted
2020-04-01 - Dev diary #30 - Beta Batch Update IV posted
2020-03-25 - Dev diary #29 - Beta Batch Update III posted

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2020-03-18 - Dev diary #28 - Beta Batch Update II posted
2020-03-11 - Dev diary #27 - Beta Patch Update posted
2020-03-04 - Dev diary #26 - LaR Post Release and Statistics posted
2020-02-21 - Dev diary #25 - Modding & 1.9 Patchlog posted
2020-02-19 - Dev diary #24 - AI & Feature Updates posted

About this game

Hearts of Iron IV is the sequel to Paradox Development Studio's game Hearts of Iron 3. It covers the time period from 1936 to 1948, focusing on the buildup to the Second World War and the war itself. This Hearts of Iron 4 Wiki is intended as a repository of Hearts of Iron 4 related knowledge, useful for both new and experienced players as well as for modders.

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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. To help with the translations see the information on the translations page.

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