Hearts of Iron IV mods
Hearts of Iron IV technologies mods
Everything filed under technologies by its own author, ordered by how much it is used.
357 technologies mods, most downloaded first · newest update 31 Oct 2026
AllGameplay1.2kAlternative History799Graphics759National Focuses678Events649Historical588Balance555Map534Military491Fixes467Utilities388Technologies357Translation292Sound269Ideologies225Music10submod5Alternate History5
357 technologies mods
- Expanded Tank Designerby GrimmyFeel free to use the resources this mod adds, with or without credits, development is discontinued. ( other version.) ( 坦克设计扩展汉化版 ) ( を日本語化するMODです。) Tank Designer Redux Expanded Tank Designer Fixed (Most recent) Adds: -Mechanized Designer -Armored Car Designer -Armor Layout and Turret Specificati...48.7k downloadsupdated 5 y ago
- OWB Tech Expansion Materials Expansionby Zam138OWB TEME is primarily a Resource-focused sub-submod and unofficial addon for OWB Tech Expansion by Silverfishv9, a large technology overhaul. As such, I've attempted to update various UI's and effects to 5.1's tech tree and cleaned up a few files that weren't implemented for 5.1. If I've irrevoca...48.3k downloadsupdated 5 d ago
- Epic Graphics Map Modby 76561199002692136This modification greatly changes the map in HoI IV, as well as flags, icons of ideologies, portraits (some of them taken from the Sensible Portraits mod, some from the New Ways mod and some from the r/hoi4portraits subreddit. Special thanks to user u/Net 2025 for the excellent portraits of Franc...48.2k downloadsupdated 2 mo ago
- Hearts of Iron: x10by SirPikaThis mod will work fine with the 1.10.3 version of the game. This mod will not work with a majority of mods, unless it's cosmetic. Most values are changed, and so it would be almost impossible, unless there's a plugin of some sort.48.2k downloadsupdated 6 y ago
- Armed Forces Overhaulby UnchartedHey everyone, when trying to update AFO there has always been a huge problem between fixing bugs and keeping the mod compatible. The more tech this mod adds, the more bugs are created and the more bugs i fix the more incompatible this mod becomes, therefore AFO was becoming buggier and buggier. W...47.3k downloadsupdated 5 y ago
- Better Nukes [1.17]by Brandjum [MG]Nukes are weak and boring? Then try this mod! What does it do? - Every Division on the nuked tile will be annihilated - Nukes from a plane now take 1 day to prepare instead of 30. Thermonuclear bombs and nuclear missile strikes are also preparing a lot faster. The chance of success is also higher...46.9k downloadsupdated 11 mo ago
- More Special Projectsby Spelfanaat22Adds a variaty of special projects to increase the amount of choices you have when deciding what special project you want to pursue. dlc not required but you wont have acces to all projects now with a few submods moresps helicopter expansion - vanilla - rt 56 open to new ideas/suggestions for mor...46.2k downloadsupdated 11 mo ago
- OWB: Ultimate Tech Compatibility Modby FoxySkiesPRE-DESCRIPTION DISCLAIMER: YOU MUST HAVE ALL OF THE LISTED ITEMS UNDER "REQUIRED ITEMS" You should NOT be using ANY other compatibility patches between the mods listed as prerequisites, as that is what this mod does. Technologies are nice, they're what make nations tick and what sets apart Gener...45.5k downloadsupdated 5 d ago
- Better Mechanics : Technology Spreadby 76561199068700672This mod adds a global technology sharing group for extra immersion, realism, and historical accuracy. Description The idea behind it is that certain technologies become more and more common around the globe, similar to how the Neighbour Bonus in EU4 works. This, of course, helps minors way more...45.5k downloadsupdated 8 d ago
- A Very British Civil Warby 76561199100854741Discord Server Dev Application Form Do you want to apply to become a dev for VBCW? If so fill in this form ( join our Discord server ( and ping smiggle in in #general Across the Irish Sea - VBCW Update 1.2 Across the Irish Sea spreads the chaos that has engulfed Britain to the newly reworked isla...45.4k downloadsupdated 5 mo ago
- Hearts of Oak 2by mumiago!!LOOKING FOR AI MODDER!! Hearts of Oak is a total overhaul mod that aims to provide a more complete and balanced World War 2 experience, without over-complicating or compromising balance. It strives to provide great gameplay, within the rich history of the Second World War. The mod is playable i...45.1k downloadsupdated 5 d ago
- Improved Equipmentby JamrylSorry mates I moved to Japan for my work! IT WONT BE UPDATED ※I'm really bloody busy at work and I don't have time to mod anymore. Fell free to use this mod and it's content as you wish! I might still have some time to help other mod developpers with the icons and graphics but that's all※ This is...44.9k downloadsupdated 10 y ago
- Red Army Tanks: Soviet Tank Icons Expandedby Telephone Crab*New and Improved! Over 250 remade and new graphics, including chassis icons! A total overhaul of the old version.* *No Step Back DLC is required to use this mod.* Interested in my other mods? Frequently Asked Questions? Check out the Tank Icons Expanded Collection: As the largest tank force of t...44.8k downloadsupdated 11 mo ago
- Additional Plane Modelsby Hunor125⭐Updated to game version v1.18.0.0⭐ Adds a few plane models for generic countries to the game. This mod only adds/modifies, it does not remove any plane models. Does not need any DLC ⚙️Check the changelog for new planes. Usually there are a few updates each month. ⭐Read for clarification: This mo...44.8k downloadsupdated 6 mo ago
- Need More Tanks-New Tanks Modelsby mister.moisNeed More Tanks (OLD VERSION) Новая Версия: Need More Tanks NSB Version Это любительский проект по добавлению моделей танков, в этом моде используются модели из Blitzkrieg GZM mod (с согласия разработчиков этого мода), наши собственные модели и модели из других игр. ВСЯ ТЕХНИКА АНИМИРОВАНА На дан...44.4k downloadsupdated 5 y ago
- End of a New Beginning Redux ~ (1857 - 2050) Official Steam Editionby 76561199389224780Supported Game Version : 1.19.* (DLCs aren't necessary, but are advised) Our Important Links Official Discord server: EoaNBR Discord Contact us! Official GitHub repository: EoaNBR GitHub Play our public Beta! Official Music Bundles: Music Bundle 1 Latest Patch Notes 0.3.15.3 Ars Bellica The End o...43.8k downloadsupdated 4 mo ago
- The Fire Rises: Flags Unfurled Demoby highlander27Current Version: DEMO Release "Sunrise Sanity" Hearts of Iron 4 Version: 1.19* The year is 2020. Civil wars and terrorism burn countries up, while the great powers toy with the globe within their hands, with no regard to international laws. The guardian of international stability, the United Nati...43.5k downloadsupdated 2 mo ago
- Millennium Dawn: African Continentby RushyoI had originally planned to re-work this after the merger between Modern Day and Millennium Dawn. Unfortunately I've tried the new version and I don't really see this mod working with it, partly due to the laughable American neo-liberal economic model that thinks basic welfare is for suckers, but...43.0k downloadsupdated 9 y ago
- RP Tools/ AÇIKLAMAYI OKU!by 76561199231867189ULU ÖNDER MUSTAFA KEMAL ATATÜRK’E YAPILAN BU TERBİYESİZLİKTEN ÖTÜRÜ GELİŞTİRME VE MODUN İŞLEVİ ASKIYA ALINMIŞTIR English Player Led Peace Conference National Ideas Mod Write Letter State Transfer Tool Core with pp Country Formation Send civillian factory Send military factory Send dockyard Embarg...42.9k downloadsupdated 1 mo ago
- 56 RolePlayby Cycrpt41.7k downloadsupdated 5 y ago
- Hearts of Iron: Age of the Steam Mashinesby g-pilotThe Age of the Steam Mashines mod tells the story of an alternate universe that somewhat overtakes the real XIX century. The discovery of Leupoldite, as well as the later arrival of Europeans in the lands of Amazonia and Cromwland, have given rise to a different view of the world and its contents...41.0k downloadsupdated 7 d ago
- Improved vanilla technology iconsby FreezerMod replace tech icons in armor, air and infantry tab for more "realistic" and "historical" planes, tanks, infantry weapons and equipment etc. Countries with a unique focus tree have already received 80 or 99% of their icons, so the mod will be updated as often as I can. At the moment, there are...40.7k downloadsupdated 2 y ago
- Better Mechanics : Elite Forcesby 76561199068700672Created by amazing mod tester and developer Vonkaja How many times would you have liked to deploy the Elite Forces of one of the Major nations on the battlefield? ELITE FORCES allows you to do this with the right balance between historicity and playability. In reality, some nations had Elite Forc...40.6k downloadsupdated 5 mo ago
- Expanded Designers Combined [Outdated]by 76561198815141356From the creator of NSB Tank Designer Rebalance, BBA Aircraft Designer Rebalance and MTG Fleet Designer Rebalance: Expanded Designers Combined Expanded Designers Combined is a vanilla overhaul mod for all the designers and combat systems in the game. Main purpose of this modification is to delive...40.5k downloadsupdated 2 y ago
- Second Sengokuby 76561199099957545Welcome to Second Sengoku **Update 1.16.2** What if the Shogunate won the Boshin War In 1867 a rebellion broke out in Japan. A group of daimyo tried to restore the emperor and depose the shogun. Despite the odds, however, the Shogunate was able to prevail thanks to reforms created by Léon Roches...40.0k downloadsupdated 15 mo ago
- Tiberium Alert [Public Alpha]by Wurt [BY][] Welcome to the world of Command and Conquer: Tiberium War. The year is 2045. The world is shattered — not just by war, but by the crystal plague called Tiberium. Entire continents are scarred. Governments have collapsed. Survivors cling to life in fortified Blue Zones, while the rest of the pl...39.3k downloadsupdated 16 mo ago
- The Age of a New Beginning: Betaby GhostIf you enjoy this mod please rate it so that others can see it on the workshop and enjoy it as well. This will also help us work faster and better, because motivation matters. Check our Discord for the Next Major Update: Announcement: The Mod IS compatible with By Blood Alone. NOTE:Before random...39.1k downloadsupdated 11 mo ago
- Walkers Special Projectby kovaHave you ever wanted to equip your army with formidable (though rather clumsy) machines - walkers? This mod will allow you to do it! Mod features: - New special project You will be able to study the technology of walkers through the research institute in the special projects menu - New unit and t...39.0k downloadsupdated 2 y ago
- Axis Minor Tank Icons Expandedby Telephone Crab*No Step Back DLC is required to use this mod.* Interested in my other mods? Frequently Asked Questions? Check out the Tank Icons Expanded Collection: Axis Minor Tank Icons Expanded provides a selection of tank icons to use with the No Step Back Tank Designer, for a number of minor Axis powers an...38.5k downloadsupdated 11 mo ago
- Japan Tank Icons Expandedby Telephone Crab*Fully Updated & Remade! All icons redone, plus many new!* *No Step Back DLC is required to use this mod.* Interested in my other mods? Frequently Asked Questions? Check out the Tank Icons Expanded Collection: Japan Tank Icons Expanded adds a host of new tank icons for the newly-added Tank Design...38.2k downloadsupdated 11 mo ago
- 2x faster buildingby arcaFor people that wanted faster bulding for 2x faster research and national focus. - Increases speed of building by 2 times. Everything builds now 2 times faster. Global version, should work with most mods.38.0k downloadsupdated 3 y ago
- US Tank Icons Expandedby Telephone Crab*New and improved!* *Over 150 remade and new graphics including chassis icons.* New in 2.2: Updated Kaiserreich Compatibility (Now with ACC, WCA, APG support) New role-specific icons assignment *No Step Back DLC is required to use this mod.* Interested in my other mods? Frequently Asked Questions...37.9k downloadsupdated 11 mo ago
- MD: Expanded Technology [Outdated/Check info for Classic Version]by wakawakaMod no longer works. MD Classic Version Here: v0.2a Future research has been released. Combat mech has been moved to future research tree. Shielding research is also now in engineering tech tree Intro This submod for Millenium Dawn aims to expand on Millenium Dawn's tech tree, especially the Indu...37.9k downloadsupdated 8 y ago
- SS Angriffby ADLERAdds additional factories, developments & tech to focus on elite unit production for any nation. It also adds defence units & shock-troops to any nation you are playing & SS Divisions for Germany to the game with unique skins & stats. (1.19+) Recommended for use with my DIE KRIEGSMARINE MOD & DIE...37.7k downloadsupdated 5 mo ago
- IR Sanguinem et Lacrimasby AraxielThis mod greatly alters most of the technologies without straying too far from vanilla, for extra immersion, realism and historical accuracy. From amphibious tanks, to commandeering civilian vehicles all the way to chemical warfare. Isenreik presents Adds tons of research to the artillery folder;...37.0k downloadsupdated 10 y ago
- Star Warsby MORASIAThe original starwars mod for hoi4 JOIN DISCORD : Sub-Mods : Mandalore : For Tested Full Experience Use These!!! Normal Difficulty Historical OFF (For Decisions etc) : Together For Victory Waking The Tiger Probably no difference for Death or Dishonor, La Resistance or Man the Guns But I have them on37.0k downloadsupdated 6 y ago
- Modern Day 4 Added Decisionsby TurtleTurtle (BaconBadger)*Abandoned, like my father abandoned me* "Play the bagpipes jimmy" It seems the mod is compatible now??? yeah i know right! anywho, md4 decisions part 2 electric boogaloo is underway! Albeit i dont know where we stand with the mod merging with Mill Dawn, we shall see, if you ask for it enough, ma...36.8k downloadsupdated 9 y ago
- Hoi4 Plusby CocoI am releasing the secret formula/recipe of HOI4 Plus. This mod only has a few of the mods this was the original list but I didn't update it when I removed or added mods. (The entire list in not in the description because steam has a limit on how many words you can have.) HOI4 PLUS OFFICIAL DISCO...36.8k downloadsupdated 4 y ago
- Primo Victoriaby 76561198819919862Welcome to the home of the new Endsieg mod: Primo Victoria! We are happy to see you here. You can find our discord here. If you have any questions, suggestions, bugs or want to become a dev feel free to join us! If you are looking for help with modding, go to the HOI4 Mod Coop. If you want to tha...36.5k downloadsupdated 4 y ago
- The Road to 56 CN 外挂版by 76561199052918765The road to 56 CN 外挂版 什么是外挂版? 答:需要本体——即英文版的版本,相对于创意工坊里先前存在的的整合版,有着能最先适配新版的优势(不需要适配,添加文本就行了,最多缺少文本) 56之路的汉化mod,不要启用原汉化mod,启用英文版即可。36.1k downloadsupdated 6 mo ago
- MTG Expanded (Discontinued as of: v1.11.1)by RyansPlaceBUG NOTICE - Attempting to install a light or light-medium turret on a Cruiser V hull will result in the save button being greyed out and a error message stating: "The current design cannot be used in the tank_designer_unknown role." This error does not effect Heavy Cruiser V's or any other aspec...35.7k downloadsupdated 5 y ago
- Great War Redux: Chemical Warfareby 76561198408570662Great War Redux: Chemical Warfare adds a new complex chemical warfare system. Land doctrines will have new chemical warfare tactics. Gas masks will help withstand chemical warfare, but won't entirely resist the poison gas. Gas mask charges are a special tactic where soldiers will begin a defensiv...35.6k downloadsupdated 3 y ago
- Dikk Society: Old Europe 1300by UlfskornVERSION: 1.19.* An updated version of Old Europe 1300 for the Dikk Society Community! ✅ All character icons updated ✅ AI optimization improvements ✅ New map changes ✅ Many new tools included Check out the updated countries in the single-player country selection! More updates are coming soon. EAST...35.0k downloadsupdated 20 d ago
- [Vanilla] Industrial Expansion - Extra Building Slots and Resources!by ZaphOther Versions The Road to '56 compatible version of the mod can be found here. It is currently only available for 1.15, I plan to have it updated for 1.17 soon. A patch for Ultimate Tech Tree: New Horizons can be found here. It is currently only available for 1.15 and is NOT being maintained. De...34.9k downloadsupdated 11 mo ago
- Generic Tank Modelsby Hunor125⭐Updated to game version v1.19.1.0⭐ There is an other version of this mod with bigger models: This mod adds the generic tank models from Mcnaughton's "-MI3 Tanks!-" mod. Link to the original mod: Link to the original mod: =============== I dont own this mod, I am not the original creator of this...34.8k downloadsupdated 5 mo ago
- The Great War RolePlayby 76561198328398261FYI: This project has been ended, there will be no any update. For a short time there is no our official discord server. Optimization improvement that can advance at least 4 years in 1 hour Reworked Tech Tree New Ideas and events Reworked and new focus trees Planes made compatible with DLC new le...34.7k downloadsupdated 2 y ago
- Millennium Dawn Submod: Russian Equipmentby IthRussia Fleshed Out Looking for a little more flavour in Millennium Dawn? Tired of manufacturing fleets of F-35s as Russia? Do you know the difference between a T-72B Obr. 90 and a T-72BU? The Russian Equipment Submod fills in the holes in the Russian equipment tech tree, from 2D artwork to detail...34.7k downloadsupdated 9 y ago
- 1930 (version 1.14)by Count Tyme---------------------------- LITE VERSION ---------------------------- I am working on getting all of the old features updated. You should expect to see more and more of the old events, focus trees, and content get added. When the migration of content is completed, I will update the main 1930 mod...34.4k downloadsupdated 11 mo ago
357 technologies mods, most downloaded first. Each one has its own page here with what it needs to run and where its author publishes it; the files themselves stay with the author and are never re-hosted on this site.

