Hearts of Iron IV — Latest Updates & Patch Notes
Hearts of Iron IV is currently the #35 most-played game on Steam, with a 24-hour peak of 52K concurrent players — ▼ cooling off (was #34 last week).
Last official update Jul 21, 2026 (yesterday) · 12 updates in the last 90 days · 12 tracked here.
- Steam rank
- #35 ▼
- Peak (24h)
- 52K
- Genre
- Simulation, Strategy
- Developer
- Paradox Development Studio
- Released
- Jun 6, 2016
- Price
- $49.99
- Metacritic
- 83
- Steam reviews
- 280K
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
-
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 → -
News
HOI IV Dev Corner | Warfare in the Third Dimension - Airborne Units in HOI
Hi all, it's time for the next Dev Corner. I'm Jamor. I started as a producer on Stellaris, Imperator, and other games back in 2017, and now I'm happy to be back as a designer on HOI. Hearts of Iron 2 was my first PDS game, and I've had a lifelong obsession with the story of…
Read the full notes on Steam → -
Patch
HOI IV - Open Beta SE™ Update 1
Generals! Hello, I’m Zwirbaum, Game Designer for Hearts of Iron, and I want to welcome you to the first update of the Open Beta SE™ (Not really trademarked). To avoid writing too much, and boring everyone to the death, as I am fairly sure - you will likely skip to the patch…
Read the full notes on Steam → -
News
HOI IV Dev Corner | Questions about Civil Wars
Hello all! First of all I want to be extra clear - we are not talking about a rework for civil wars. What I am after is understanding how you’ve enjoyed content with civil wars, what feels good, what doesn’t feel good. So! When you start a game with a country that has a civil…
Read the full notes on Steam → -
Patch
HOI IV - Open Beta Summer Edition™
Generals! Greetings from sunny Stockholm to everyone, I’m Batya, Game Director for Hearts of Iron. The summer period is upon us and I wanted to share some information with you all. Unlike the norm of armies planning summer offensives, game developers actually do the opposite and…
Read the full notes on Steam → -
Patch
Thunder at our Gates | Patch 1.19.2
Generals! Today marks the last pre-summer patch with fixes and tweaks to Thunder At Our Gates. After this the team will have limited presence in the office for the summer period. We know that this patch does not hit all the sought after balance changes but for that we’d like to…
Read the full notes on Steam → -
Event
Steam Summer Sale | Up to 80% Off!
Generals! ️ Summer is officially here and with it we bring you the latest Summer Sales, including unprecedented discounts. The Steam Summer Sale has started, with discounts up to 80%. Thunder at our Gates just released, did you review all your briefing material? The Official…
Read the full notes on Steam → -
News
HOI IV | Open Beta Weekend (1.19.2)
Generals! We decided it would be best to run 1.19.2 as an Open Beta over the weekend to get some potential player input over the weekend. This will allow us to make any necessary fixes as well that might pop up as a result from having a wider testing net. The upside is earlier…
Read the full notes on Steam → -
Event
Hearts of Iron IV - Celebrate 10 Years With Us
Generals! It’s been a week since launch, and we are working on our usual post release support. 1.19.1 released yesterday, doing a first balance pass, as well as quite a few encountered issues. We are working on 1.19.2 to be released before the summer break. That patch will also…
Read the full notes on Steam → -
Patch
Thunder at our Gates | Patch 1.19.1
Generals! Thanks for all of the feedback we’ve received over the last few days. We’re hard at work addressing as much of it as possible and plan to incorporate more into another patch that will happen later down the line. The main issues we wanted to address were the country…
Read the full notes on Steam → -
Patch
Hotfix 1.19.0.1
Generals! We’ve just released a small hotfix (1.19.0.1) to address two of the issues that we’re seeing right now. There was a particular crash related to the Spanish civil war kicking off into a four-way civil war and the new Army HQ feature. There was an issue where the TaoG…
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 "HOI IV Dev Corner | Civilian Economy & Consumer Goods" (Jul 21, 2026), categorized as News. 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…
- How many people play Hearts of Iron IV?
- Hearts of Iron IV peaked at 52K concurrent players in the last 24 hours, ranking #35 on Steam's most-played chart (it was #34 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.
Live player counts and update notes are pulled from Steam's public data and refreshed daily (last refresh: Jul 22, 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.