Update history
Latest Hearts of Iron IV updates
Search patches, hotfixes, and dev posts. Load more to keep browsing the timeline.
Browse updates
Published changes
Search updates. Filter by source or date. Open any row for the full patch notes, or load more to continue the timeline.
- Hearts of Iron IV
Hearts of Iron IV - 2024 Battle Report
Generals! The year is rapidly coming to an end but the battles rage on. Below, you’ll find a brief snapshot of how your collective efforts shaped the Frontlines this year, whether you focused on making the best Division…
- Hearts of Iron IV
Götterdämmerung | Patch 1.15.2 Checksum 2dd1
Generals! Our delightful Command have been hard at work since the initial release of Götterdämmerung, so we’re pleased to share with you our latest innovations, a few hefty bug fixes and some gameplay tweaks! Be sure to…
- Hearts of Iron IV
Steam Autumn Sale!
Generals! The Quartermasters over on Steam have improved the efficiency on their supply lines, allowing us to make massive discounts for their Autumn Sale! Grab something for yourself and complete your collection, or ma…
- Hearts of Iron IV
Götterdämmerung | Patch 1.15.1 Checksum c86b
Generals! It has been a week since the release of Götterdämmerung but Command has continued their work in the background, with today's patch rolling out with some much needed bug fixes, some balance passes and a few tw…
- Hearts of Iron IV
Complete Advanced Guide to playing HOI with Götterdämmerung
Generals! Now that you've conquered the Beginner's Guide, its time to take on your next challenge with Götterdämmerung and our Complete Advanced Guide to Hearts of Iron. Join Hammotimee as they bring you up to speed on…
- Hearts of Iron IV
Last Chance to grab your very own Kaiser of Plusshia!
Generals! It is soon time for the Ruler of Plusshia to return to his campaign of conquest, but fear not! Makeship has been kind enough to delay his stay until the 27th of November so those of you who have not yet gotten…
- Hearts of Iron IV
Götterdämmerung AVAILABLE NOW!
Götterdämmerung Available NOW! And finally the time is upon us. If you’re reading this, what are you doing? You could be playing G ötterdämmerung this very moment! It’s been a long road, but in your hands is the power o…
- Hearts of Iron IV
Götterdämmerung | Patch Notes
Greetings all, With a mere one day to go before the launch of Götterdämmmerung, it is tradition that we leave you with the change log to pore over. The usual disclaimer applies; this list should be comprehensive but omi…
- Hearts of Iron IV
Developer Diary | Art & Achievements
Hello! And welcome to the last Dev Diary for the DLC Götterdämmerung! I’m CreamGene and I hope you have had a good time reading previous Diaries and are as excited as we are for the release. Since I’m here, I would like…
- Hearts of Iron IV
Developer Diary | Performance and Modding
Hello everyone, it's again the time to give you a glimpse into the fun stuff we've been doing from the tech side. You know, in addition to implementing the new features. This time around, I (PDXen) got the honour to wri…
- Hearts of Iron IV
Developer Diary | Alt-History Germany
Hallo, wie geht es dir? Stay tuned for tomorrow, Thursday November 7th, that there will be a Dev AMA over on Reddit! Paradox_Danne here one last time to guide you through the final German Dev Diary before Götterdämmerun…
- Hearts of Iron IV
Developer Diary | Congo
Hello! My name is MordredViking (Gareth), and I’m joined in this Dev Diary by D3vil (Jonathan). We previously talked about Belgium and now it’s time to talk about Congo! I’ll start talking about a specific part of the f…
- Hearts of Iron IV
Developer Diary | Belgium
We’re going to be talking about a nation that was invaded in both World Wars, and were present and fighting until the end in both, despite being either partly, or wholly occupied for the majority of those conflicts. The…
- Hearts of Iron IV
Get your LIMITED EDITION Hearts of Iron plushie today!
Generals! Need more Plushies in your life? Surely you must! Other Plushies lack a certain flair or Discipline, whereas THIS Duck-Kaiser-billed platypus has all the authority and gravitas befitting the Ruler of PLUSSIA!…
- Hearts of Iron IV
Developer Diary | Raids
Hi, Thomas here talking about game mechanics again. I work as Design Manager and Design Lead on Hearts of Iron. Today we are looking at another of the new features that comes with Götterdämmerung, namely Raids. The norm…
- Hearts of Iron IV
Developer Diary | German Systems
Willkommen zurück to another German Dev Diary! Last time we talked about the Common Branches and the Historical Branch of Germany. Now, I, Paradox_Danne, ManoDeZombi, D3vil and Nattmaran (please insert joke about how ma…

