{{#evt: | service= youtube | id= GMkRSRP1IPY | description= "Grand Ambitions": Johan Andersson, Dan Lind, Mats Virtanen, and Jakob Munthe discuss the design and ambitions of the fourth installment of the Hearts of Iron series. | alignment= right | container=frame }} Hearts of Iron IV (or HOI4) is a grand strategy game by Paradox Interactive and the sequel to Hearts of Iron III. It covers the time period from 1936 to 1948, focusing on the build up to the Second World War and the war itself.
Hearts of Iron IV was announced on the Paradox Forums on the 23rd of January 2014. It was released on D-Day 2016 (2016-06-06)[1].
General information
Announced features
- Total strategic war
- The war is not only won on land, on the seas and in the air, but also in the laboratories, the factories, the backrooms, in international trade and in the hearts and minds of men and women.
- The most authentic real-time simulation of the war
- Let the greatest commanders of WW2 fight your war with the tools of the time; tanks, planes, ships, guns and newly discovered weapons of mass destruction.
- Fight as any nation in the greatest human conflict of all time
- Choose from the greatest powers striving for victory, or the small nations trying to weather the storm.
Development team
The game is being developed by a core team of six, augmented by drop-in support from the rest of Paradox Development Studios.
- Podcat (lead/design/programming)
- Darkrenown (script/research/design)
- TomaszKowalczyk (programmer)
- Guraan (programmer)
- Sideburnout (2D art)
- larre (3D art/map)
Expansions
Together for Victory released on 15 Dec 2016.
Death or Dishonor released on 14 Jun 2017.
Waking the Tiger released on 08 Mar 2018.
Man the Guns released on 28 Feb 2019.
La Resistance released on 25 Feb 2020.
System Requirements
Minimum
- Operating System: Windows 7 (32-bit) / 8/10 (latest service pack) with DirectX 9.0c/ Ubuntu 14.04 LTS x32 / Mac OS X 10.10 or better.
- Processor: AMD Athlon II X4 640 3.0 GHz or Intel Core 2 Quad 9400 with 2.66 Ghz
- Memory: 2 GB RAM
- Graphics: AMD HD 5770 or NVIDIA GTX 460 with 1024MB VRAM or better
- Hard Drive Space: 4 GB free Hard Drive Space: 4 GB free
- Internet connection required for multiplayer mode
- Steam registration / account required to be an Internet connection is required.
Recommended
- Operating System: Windows 7 (64-bit) / 8/10 (latest service pack) with DirectX 9.0c
- Processor: AMD Phenom II X4 850 with 3.3 Ghz or Intel i3 2100 3.1 GHz
- Graphics: AMD HD 6850 or Nvidia GTX 560Ti with 1024MB VRAM or better
- Memory: 4 GB RAM
- Internet connection required for multiplayer mode
- Steam registration / account required to be an Internet connection is required.
Dev diaries
All developer diaries about Hearts of Iron IV (base game).
| No. | Title and Link | Description | Date |
|---|---|---|---|
| 1 | Our Vision | Design goals | 2014-02-07 |
| 2 | The Tools of War | Equipment, production and research | 2014-03-07 |
| 3 | Bringing WWII to the mainstream | Dogs! | 2014-04-01 |
| 4 | Land Doctrines | Doctrine paths | 2014-04-11 |
| 5 | Production Lines | How things get built | 2014-05-09 |
| 6 | Division Design | Division planner, division template | 2014-06-13 |
| 7 | Air Combat | Air war | 2014-07-11 |
| 8 | Experience and Variants | Production | 2014-08-08 |
| 9 | Vacation and Air tech | Air technology tree | 2014-09-12 |
| 10 | Naval Combat | Naval gameplay | 2014-10-10 |
| 11 | Map & Graphics | Visual aesthetics of the game | 2014-11-07 |
| 12 | Internal Politics | Internal affairs of a country | 2015-01-16 |
| 13 | Conscription & Training | Manpower, recruitment, training | 2015-02-20 |
| 14 | National Focuses | National focuses | 2015-03-20 |
| 15 | On the high seas | Naval battles | 2015-04-11 |
| 16 | World Tension | World tension, war justifications | 2015-05-08 |
| 17 | Johan Invades Germany | Barely a dev diary | 2015-06-12 |
| 18 | Army Planner | Creating and deploying units | 2015-06-26 |
| 19 | Equipment | How equipment works | 2015-07-03 |
| 20 | Soviet Union and Communism | Soviet Union and Communism | 2015-08-14 |
| 21 | Land Combat | Land combat mechanics | 2015-08-21 |
| 22 | Support Companies | List of support companies | 2015-08-28 |
| 23 | Industrial Capacity | How factories function | 2015-09-04 |
| 24 | Trade and Resources | Overview of international trading | 2015-09-11 |
| 25 | Laws and Politics | How to manage government | 2015-09-18 |
| 26 | The Navy | Naval doctrines and naval technology | 2015-09-25 |
| 27 | Italy | Italy's situation in the game | 2015-10-02 |
| 28 | Weather & Terrain | How weather and terrain function | 2015-10-09 |
| 29 | Factions & Wargoals | How factions and wargoals function | 2015-10-16 |
| 30 | France | Overview of France | 2015-10-23 |
| 31 | Peace Conferences | Ending wars | 2015-10-30 |
| 32 | The USA | Overview of USA | 2015-11-06 |
| 33 | Supply | The supply system and supply areas. | 2015-11-13 |
| 34 | Civil Wars | Civil Wars and Coups. | 2015-11-20 |
| 35 | Germany | Overview of Germany | 2015-11-27 |
| 36 | Helping out in other wars | Helping out in other countries wars without directly getting involved | 2015-12-04 |
| 37 | Carrier Warfare | How aircraft carriers work. | 2015-12-11 |
| 38 | Submarines | How submarines work | 2015-12-18 |
| 39 | The Radio | Radios, reinforce chance and radar stations. | 2016-01-08 |
| 40 | Changes to the game | Completely revised factory slots mechanic, World Tension.. | 2016-01-15 |
| 41 | Order of Command | OOC and Commander traits | 2016-01-22 |
| 42 | Japan | Overview of Japan | 2016-01-29 |
| 43 | Diplomacy and other options | Diplomacy, Factions, War Goals, ... also: HOI4 is now in BETA | 2016-02-05 |
| 44 | Occupation and Resistance | Managing occupied territory | 2016-02-12 |
| 45 | Battle Plans | How battle plans work | 2016-02-19 |
| 46 | United Kingdom | Overview of UK | 2016-02-26 |
| 47 | China | Overview of China | 2016-03-04 |
| 48 | Naval Invasions | How naval invasions work | 2016-03-11 |
| 49 | Nukes! | Atomic bomb - Research and requirements for production and use | 2016-03-18 |
| 50 | Generic Focus Trees | Generic Focus trees and DDR mat support | 2016-04-01 |
| 51 | Sound & Music | Music & Sound Design in Hearts of Iron IV | 2016-04-08 |
| 52 | Modding | A look at the improved modding support in Hearts of Iron IV | 2016-04-15 |
| 53 | 2D art | Sideburnout talks about the 2D graphics of Hearts of Iron IV | 2016-04-22 |
| 54 | AI | SteelVolt speaks of the topic no one wants to touch, but everyone wants to know about | 2016-04-29 |
| 55 | QA | A closer look into the QA process when developing Hearts of Iron IV | 2016-05-06 |
| 56 | Bits & Pieces | Mopping up a bunch of smaller topics not covered in other Development Diaries | 2016-05-13 |
| 57 | Poland: United and Ready | About the free DLC shipped with all copies of Hearts of Iron IV | 2016-05-20 |
| 58 | Tutorial, Wiki & Browser | A look at the tools we provide to help you learn how to play Hearts of Iron IV | 2016-05-27 |
| 59 | D-day | A short, final message from Podcat before we release | 2016-06-03 |
All developer diaries about the post-release patches, patch 1.1 (aka Red Ball Express) and patch 1.2 (aka Sunflower).
- Patch 1.2 (Sunflower)
| No. | Title and Link | Description | Date |
|---|---|---|---|
| 4 | Back from Vacation | AI changes and MP hotjoin in 1.2, aka 'Sunflower' | 2016-08-05 |
| 5 | Custom Difficulty Settings | AI improvements and implantation of custom difficulty settings at game setup | 2016-08-12 |
| 6 | Sunflower (patch 1.2) | Port Strikes and AI improvements to upgrading templates and naval missions coming in Sunflower | 2016-08-19 |
| 7 | New Releasable Nations | A look at new releaseable nations and more of the AI improvements coming in Sunflower (patch 1.2) | 2016-08-26 |
| 8 | Sunflower Improvements | Sunflower updates: GUI improvements, naval balance, focus trees | 2016-09-02 |
| 9 | Bugs and Stats | Readying Sunflower for release and sharing some gameplay stats | 2016-09-09 |
| 10 | Sunflower is Live | Patch 1.2 is out live, next patch is 1.3 aka "Torch" | 2016-09-16 |
- Patch 1.1 (Red Ball Express)
| No. | Title and Link | Description | Date |
|---|---|---|---|
| 1 | Release and Future | Podcat shares his thoughts on the release, as well as discussing the near future patches | 2016-06-10 |
| 2 | Red Ball Express | Tweaks to access to allied territory, peace conferences, invasions and naval bombers along with new battle plan modes upcoming in 'Red Ball Express' | 2016-06-17 |
| 3 | Summer Vacation | The team is going on a well deserved summer vacation | 2016-07-01 |
References
- ↑ Twitter, D-day release, 2016-06-06
hoi4de:Hearts of Iron IV hoi4es:Hearts of Iron IV hoi4fr:Hearts of Iron IV hoi4pl:Hearts of Iron IV hoi4pt:Hearts of Iron IV hoi4ru:Hearts of Iron IV