Hearts of Iron IV — Latest Updates & Patch Notes
Hearts of Iron IV is currently the #43 most-played game on Steam, with a 24-hour peak of 59K concurrent players — ▼ cooling off (was #42 last week).
Last official update Sep 5, 2026 (yesterday) · 12 updates in the last 90 days · 12 tracked here.
- Steam rank
- #43 ▼
- Peak (24h)
- 59K
- Genre
- Simulation, Strategy
- Developer
- Paradox Development Studio
- Released
- Jun 6, 2016
- Price
- $49.99
- Metacritic
- 83
- Steam reviews
- 283K
Victory is at your fingertips! Your ability to lead your nation is your supreme weapon, the strategy game Hearts of Iron IV lets you take command of any nation in World War II; the most engaging conflict in world history.
View Hearts of Iron IV on Steam →
Latest updates & patch notes
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Release
The next Hearts of Iron 4 expansion is delayed, as Paradox tries to reduce "mental overhead"
Paradox is going to "take extra time" for the next Hearts of Iron 4 expansion, but a Romania DLC is coming soon for the WW2 strategy game. Read the full story on PCGamesN: The next Hearts of Iron 4 expansion is delayed, as Paradox tries to reduce "mental overhead"
Read the full notes on Steam → -
Patch
Studio Gold Update | September 2026
Hello Generals, Admirals and Air Chief Marshals! Swedish summer is over, and we were blessed as it lasted a good 5 weeks. We’d already started work on the 1.19.3 patch before, and we’ve been at work putting the finishing touches for the last several weeks. And while dates are…
Read the full notes on Steam → -
News
HOI IV Dev Corner | Inlay Windows & Congress
Hello there! Welcome to the next Dev Corner, where we might present something we’re working on or gauging people’s thoughts on mechanics and other things. Those of you who have been keeping up with our trailers, teasers, and dev corners have probably figured out that we’re…
Read the full notes on Steam → -
Patch
HOI IV | Open Beta SE™ Update 3.03
Generals! Hello, I’m Zwirbaum, Game Designer for Hearts of Iron, and I want to welcome you to yet another Open Beta SE™ (Not really trademarked) Update for Hearts of Iron IV. This week I am bringing more of the experimental features and changes, which may or may not end up in…
Read the full notes on Steam → -
News
HOI IV Dev Corner | Romania, an Industry Divided
Hello all! In today's Dev Corner, we're diving into the economic crossroads of Romania. Like many nations in the 1930s, Romania was torn between its agrarian foundation and a push for rapid industrialization. What makes it unique, though, is the sheer scale of this divide, with…
Read the full notes on Steam → -
News
HOI IV Dev Corner | Romanian Crossroads
Greetings, generals! We are Alex, Norrman and Marijn211, modders of the game and now cooperating with Paradox, and today we’re showing you tidbits of a future DLC for… Romania! As explained below we won’t go into too much detail yet as not everything is finalized, but this also…
Read the full notes on Steam → -
Patch
HOI IV | Open Beta SE™ Update 2
Generals! Hello, I’m Pdxen, Tech Lead for Hearts of Iron and I want to welcome you to the second update of the Summer Open Beta. In this update we are changing the topic from balancing to updating the tech stack of the game. A lot has happened with computers since Hoi4 was…
Read the full notes on Steam → -
News
HOI IV Dev Corner | Army Quality and Expertise
Hi everyone, Jamor here again. I want to thank you for good, informed feedback and suggestions in the previous airborne dev corner. I hope I can benefit from the community’s collective insight once more. Up to this point, unit quality across the board in HOI has been fairly…
Read the full notes on Steam → -
News
HOI IV Dev Corner | National Focus Flavor
Hello all! Today we're kicking off a new round of Dev Corners, this time turning our attention to a project we haven't touched on yet. We'll start with some early questions around ideas we have in mind, while future Dev Corners here will get a lot more specific about the country…
Read the full notes on Steam → -
News
HOI IV Dev Corner - Military Production
Hello, I am Zwirbaum, Game Designer for Hearts of Iron, and it is once again the unfortunate for you my time in the dev corner spotlight. Anyways, without further ado, let’s get started with today’s topic - Military Production. And once again I will resort to acting a bit…
Read the full notes on Steam → -
News
HOI IV Dev Corner | Civilian Economy & Consumer Goods
Hello, I am Zwirbaum, Game Designer for Hearts of Iron, and uncharacteristically for me, instead of writing an entire wall of text, I am just going to ask a couple of questions that are very much tied to the ‘Economy’ side of the gameplay. And those are as follows: How do you…
Read the full notes on Steam → -
News
HOI IV Creator Interviews with Leadership
Generals! High Command is aware that certain war correspondents have, in recent days, taken it upon themselves to question senior staff. Studio Manager Gorion and Game Director Batya were located, escorted without incident down to the Bunker, and placed before the cameras for a…
Read the full notes on Steam →
Screenshots
About Hearts of Iron IV
Take charge of history’s greatest war machines in Hearts of Iron IV , a grand strategy wargame that challenges your strategic abilities and political insight. Refight World War II at the head of nation from the time period, building up an industrial powerhouse and a diplomatic alliance that will effectively wage war on ideological opponents. Hearts of Iron IV is more than a historical simulation. Alternate historical paths open up with almost every decision you make, from small ones such as where to launch your attack to crack open Fortress Europe, to large ones, such as whether to re-establish democracies or long forgotten monarchies. In…
Game details
- System requirements (minimum)
- Minimum: OS: Windows® 10 Home 64 Bit Processor: Intel® Core™ i5 750 | AMD® FX 4300 Memory: 4 GB RAM Graphics: Nvidia® GeForce™ GTX 470 (1.28GB) | AMD® HD 5850 (1GB) | Intel Iris Xe G7 (Tiger Lake) | AMD® Radeon™ RX Vega 11 DirectX: Version 9.0c Storage: 2 GB available space Sound Card: Direct X- compatible soundcard. Additional Notes: Mouse and keyboard are required. / Latest available WHQL drivers from both manufacturers/ Internet Connection or LAN for…
- Languages
- English, French, German, Polish, Portuguese - Brazil, Russian, Spanish - Spain, Japanese, Simplified Chinese, Korean
- DLC
- 24 available on Steam
- Official site
- www.heartsofiron4.com/
Frequently asked questions
- Is Hearts of Iron IV free to play?
- Hearts of Iron IV is a paid game ($49.99) on Steam.
- What is the latest Hearts of Iron IV update?
- The most recent official update is "The next Hearts of Iron 4 expansion is delayed, as Paradox tries to reduce "mental overhead"" (Sep 5, 2026), categorized as Release. Paradox is going to "take extra time" for the next Hearts of Iron 4 expansion, but a Romania DLC is coming soon for the WW2 strategy game. Read the full story on PCGamesN: The next Hearts of Iron 4 expansion is delayed, as Paradox tries to reduce "mental overhead"
- How many people play Hearts of Iron IV?
- Hearts of Iron IV peaked at 59K concurrent players in the last 24 hours, ranking #43 on Steam's most-played chart (it was #42 the previous week).
- When was Hearts of Iron IV released?
- Hearts of Iron IV was released on Jun 6, 2016 by Paradox Development Studio.
- What kind of game is Hearts of Iron IV?
- Hearts of Iron IV is a Simulation, Strategy game, featuring single-player, multi-player, co-op.
📊 Tracked here since Jul 16 · best rank #35 (Jul 16) · 35 days on our charts
Live player counts and update notes are pulled from Steam's public data and refreshed daily (last refresh: Sep 6, 2026). Excerpts are from official announcements; follow the source links for full notes. Hearts of Iron IV and all related assets are trademarks of their respective owners.