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- Hearts of Iron IV
Developer Diary | Italy #2
Buongiorno! And welcome to not only my first post here on the forums, but also to Italy’s Alternative History Dev Diary! I know that a lot of you folks out there have been looking forward to Italy’s re-work, and I bet t…
- Hearts of Iron IV
Developer Diary | Ethiopia #1
MAJOR DISCLAIMER - This dev diary is written before the majority of art has been delivered, so it features a lot of placeholder graphics - you have to imagine really cool focus icons, and a lot of characters with hats t…
- Hearts of Iron IV
Developer Diary | Switzerland #1
Hey everyone! You probably don’t know me, but I’m Carlo, the Content Designer in charge of Switzerland for BBA. I’m very excited to present to you all, the Swiss Focus Tree, our first circular focus tree, allowing Switz…
- Hearts of Iron IV
Developer Diary | Italy #1
Formazione Generali! The wait is over. In this gigante developer diary we explore the majority of the Italy focus tree! Of course, we’ll save some secrets for later down the line. Due to Steam post limitations and the l…
- Hearts of Iron IV
Patch 1.11.12 "Barbarossa"
Patch 1.11.12 "Barbarossa" Checksum: 22d5 Balance: - Improved tank conversion costs for tank modules - Limited Stabilizer tank module to one per vehicle - Armor stat ARMOR_VS_AVERAGE changed from 0.3 to 0.4 to patch pie…
- Hearts of Iron IV
Announcement | Hearts of Iron 4: By Blood Alone
Greetings Generals The long tradition of HoI anniversary surprises, while slightly delayed, has not been forgotten. Today, we have the pleasure of announcing to you the next milestone in the Hearts of Iron story: By Blo…
- Hearts of Iron IV
Designer Corner | Naval Rebalance
Hello there, C0RAX here. Welcome aboard to my dev corner, in this thread I'll be going over the core introduction of the planned changes to naval gameplay. Why? The Live System: Good ship design is unintuitive. Combat…
- Hearts of Iron IV
Air Changes | Developer Corner
Hey Everyone! I am back this week to talk to you a bit about some changes we are making to air management and combat. The first thing I want to get out of the way is that this is not a “Man the Guns” style rework of com…
- Hearts of Iron IV
Patch 1.11.11 "Barbarossa"
Patch 1.11.11 "Barbarossa" Checksum: 8e75 Balance: - Adjusted the ship refitting cost calculation. The base cost is now a percentage of the hull cost, and the cost for any module changes are added on top of that. The sa…
- Hearts of Iron IV
Development Corner | Peace Conferences
And we shall have peace... Hi folks, It’s been a while since our last update on future plans for HoI, but we’re about ready to show you some of the work we’ve been doing. Before we begin, I’d like to indicate that there…
- Hearts of Iron IV
Hearts of Iron - Official Discord
Generals! The frontlines are expanding! Our community is making an operational push onto a new platform! That's right, D(iscord)-Day is upon us! JOIN THE CONVERSATION, JOIN THE FIGHT, JOIN THE SERVER
- Hearts of Iron IV
Barbarossa Patch 1.11.10 - Checksum 09ac
Patch 1.11.10 "Barbarossa" Bugfix - Added a bypass to the Free French "Form the National Committee" Focus to avoid blocking the player if they don't have 90 Legitimacy - Fixed a problem in British Alternate Strategy Pla…
- Hearts of Iron IV
A.E.I.O.U | Hearts of Iron IV
Greetings commanders! As you’ll be aware, it has been a while since our last dev diary, and I’m super thrilled to finally release what we’ve been working on since No Step Back. We take great pride in our attention to ga…
- Hearts of Iron IV
Patch 1.11.9 "Barbarossa"
Patch 1.11.9 "Barbarossa" UI: - Fixed some DX11 and OpenGL UI elements being 1 pixel off by making them incorrectly positioned the same way DX9 does Modding: - The game will no longer show an empty "Modify Government" a…
- Hearts of Iron IV
Patch 1.11.8 "Barbarossa"
Patch 1.11.8 "Barbarossa" - Added an option in the settings menu to disable cloud storage backup of your career profile statistics. - Players that own most major DLCs should no longer see promotions for the DLC Subscrip…
- Hearts of Iron IV
Dev Diary - Telemetry and data
Hello there, the time has come to do a fun dive into what you've been playing the game as a community. So over this diary we are going to look into some of the trends and statistics we seen from our telemetry and see ho…

