Mods / Technologies

• TThe Road to 56by GreatexperimentRoad to 56 is a major addition to your Hearts of Iron experience that has been lovingly crafted by a team of dedicated fanatics. We've massively expanded the technology tree, extended the timeline to 1956, and developed some truly awesome alternate-history paths for nearly every country. Improved...2.7M downloadsupdated 27 d ago
• HHearts of Iron IV: The Great Warby WolferosBASICS INFORMATIONS Current Version: Open Beta 0.26 "Heatwave" Compatible with: Hearts of Iron IV 1.19.1 Supported Languages: - English - French (Integrated in the Mod, Version Améliorée) - German (Integrated in the Mod, mainly made by Proho16) - Russian (Integrated in the Mod, Спасибо Strategium...1.6M downloadsupdated 4 mo ago
• TThe Fire Risesby 76561199260684421Current Version: Release 1.0.9.1c "Brussels Effect" Hearts of Iron 4 Version: 1.19.* The year is 2020. The United States and Iran are locked in a Cold War-era standoff, while a mysterious novel virus has been spreading uncontrollably through central China. Russia, Saudi Arabia, and other nations...941.4k downloadsupdated 2 mo ago
• [[OUTDATED] The Great War Redux - New page in descriptionby J12931.7k downloadsupdated 2 y ago
• TThe Great War Reduxby 76561199800767923The Great War: Redux is a standalone rework of the famous Great War mod from Wolferos. Updated focus trees and gameplay for more diverse, playable, historical and interesting game. Compatible with the game version 1.19.* Operation Postern. This is an independent mod. You will not need the origina...564.5k downloadsupdated 8 d ago
• EEndsieg: Ultimate Victoryby 76561198819919862Welcome to Endsieg:Ultimate Victory This is the official successor to the Götterdämmerung 1944 Mod. Anyone else claiming to be or uploading a former/older version of this mod (Götterdämmerung 1944) is doing so without Endsieg's consent. If you have any questions, suggestions or want to become a d...553.9k downloadsupdated 26 d ago
• NNovum Vexillumby E. WolfeThis mod spans the modern era from 2000 to 2032, built on the 2018 Millennium Dawn files. It serves as an enhanced version with modernized features while preserving the streamlined, vanilla-inspired feel of the original and most popular Modern Day mod. It also includes full DLC compatibility, inc...553.4k downloadsupdated 28 d ago
• RRise of Nationsby DexertRise of Nations is a mod with the objective of creating an unforgettable century of gameplay (1900-2030). Currently having development up until 1949 we aim to be a mod about long runs and letting the player choose the way they want to shape the world such as perhaps starting in 1900 in the Dawn o...490.7k downloadsupdated 9 d ago
• TThe road to 56 CNby 76561198975291499The road to 56 CN（三十万订阅特别版）使用GPT-6.0-Astra进行全面修订和润色，翻译内容持续更新和优化 感谢AI的发展让我们能够更快的进行更新！平台链接 加入汉化组点这里：1037588016，只需要会使用翻译器，并适当润色就可以，如果你实在担心无法胜任，我们可以适当校对。 支持1.19.2新版本 现在只加载56汉化一个mod即可，不需要再订阅56原版 已经启用中文模式，请在启动器切换中文使用 游戏本体于每月的八号更新，届时我们的更新会导致旧存档闪退，想接着玩旧存档的请及时备份mod旧版本文件，我们的模组ID是2129897125 52论坛上有备份下载 复制到浏览...484.5k downloadsupdated 26 d ago
• NNew Ways Alphaby DRAFTCURRENT VERSION HOI 4: 1.19.* World War II is full of guile and heroism, great feats and terrible catastrophes. But what if it had been different? New Ways of Hearts iron hearts IV is ready to answer possible! This is a large-scale project that aims to improve the original game, making the gamepl...315.1k downloadsupdated 3 mo ago
• RRoad to 56 RPby ToMaToZz_STHE ORIGINAL ROAD TO 56 ROLEPLAY MOD Hello there! Greetings and welcome to our mod! The Road to 56 RP is an RP-MP-focused modpack built upon the original Road to 56 mod that incorporates additional features to facilitate and improve multiplayer roleplay games on our Discord server. FEATURES • For...304.7k downloadsupdated 4 mo ago
• TTotal War Modby stjernTotal War Mod DISCORD: DO NOT use other mods together with TW, low chance of compatibility. (Music mods and our submods are compatible). Use HIGH texture quality for the new map textures, use MEDIUM for vanilla textures. ------------- ------------- ------------- ------------- ------------- ------...283.1k downloadsupdated 3 y ago
• WWorld Ablaze (9.6)by UnchartedThunder at our Gates Day 1 Compatible! Summary World Ablaze is a ongoing project to completely overhaul Hearts of Iron 4 to become more challenging, historical, and exciting to play. It features a massive expansion and complete overhaul to the tech trees, focus trees, decisions, events, and econo...281.4k downloadsupdated 5 d ago
• EEast Showdownby 76561198801797380Welcome to the East Showdown (ESD) This mod is about the Russian-Ukrainian War and recounts the events that took place after 24 February. Our mod is neutral and not pro-Russian or pro-Ukrainian. The creators of this mod condemn all forms of aggressive warfare, terrorism, and extremism. Any refere...239.8k downloadsupdated 5 d ago
• OOLD VERSION - End of a New Beginningby 76561199385668184THIS IS THE OLD VERSION! NEW VERSION:236.7k downloadsupdated 10 mo ago
• OOld Europe 1300by 76561198322925523Mod tells about the events of the beginning of the XIV century. Power Struggle in the Holy Roman Empire, Northern Margravate War, expansion of the Ottoman Empire, the struggle for the Bohemian inheritance, the war for Syria, the conquests of Lithuania, the struggle of the Russian principalities a...228.0k downloadsupdated 6 y ago
• SStar Wars: Palpatine's Gambleby SootiestCorgi08NOW UPDATED TO 1.13.6 This mod is now compatible with the most recent Hearts of Iron IV build. Many of the reported bugs were fixed including consistent crashes. Please continue to report bugs so they can be fixed in a timely manner. Thanks! ARMS AGAINST TYRANNY MUST BE DISABLED TO PREVENT A CRAS...224.2k downloadsupdated 9 mo ago
• UUltimate Tech Tree : New Horizon (Depreciated)by iHavePopcornThis version will no longer be updated, find the newest version here: Current Version: 5.0 THE OFFICIAL DISCORD : With over 2600 new icons this mod extends the tech tree timeline tinto the 90s while also introducing realistic unit icons, names and a immersive experience for those who wish to play...216.7k downloadsupdated 23 mo ago
• AAge of Imperialismby Call me BorubarAge of Imperialism is a mod for Hearts of Iron IV, whose action is happening in a world where the First World War did not take place. Instead, there was a series of local wars, which influenced the global geopolitical scene by establishing the position of Great Britain, Germany and Russia as the...190.8k downloadsupdated 3 mo ago
• EEmpire 0.6.6: Into the Orientby EmperorWelcome to Empire 0.6.6: Into the Orient! Current mod version: 0.6.6 Current HOI4 supported Version: 1.18.* Hello and welcome back to the Empire Mod created by DefinitilyNotStalin and updated by me, Emperor. As some of you may know, the previous version of the mod is outdated and was not updated...171.0k downloadsupdated 6 mo ago
• TThe Great War Redux CNby 76561198935243144本汉化为著名的一战redux mod汉化版 原mod链接： 水群群号：582640616 欢迎过来汇报bug并吹水 Mod特征： 该MOD的创建是为了纠正《The Great War》MOD的不足。 -1910年剧本（1914年-进行中）。 -新国策： 俄罗斯、英国、法国、德国、意大利、奥斯曼帝国、塞尔维亚、奥匈帝国、保加利亚、清朝/中国、荷兰、澳大利亚、美国、加拿大、巴西、瑞典、比利时。朝鲜、利比里亚。为了保持平衡，对原始mod（指原一战mod）的其他国家国策进行了部分修改。 -MTG适配。 -新国家精神、新事件、新决议、新任务。 -第一次世界大战和两次世界大战期间的新单位模型。 -新...164.3k downloadsupdated 4 y ago
• 11930 (version. 1.10)by Count TymeThis mod starts the game in 1930 or 1933. Check out the change notes tab to see what I am currently working on. Added/Changed Focus Trees: Germany, USA, USSR, Russia, Britain, Japan, Turkey, Spain, France, Poland, Italy, Australia, Canada, India, China, Sweden, Finland, Norway, Hungary, Greece, U...157.7k downloadsupdated 5 y ago
• EExpanded Technology + Industry + Equipmentby GreatexperimentGood Evening! This is my old technology mod, and the original core of Road to 56. These days it receives rare updates as most work now goes into R56. It is kept here for people who want to use it, and for possible inclusion as a mod resource. If you want to use Expanded Technology in your mod ple...156.0k downloadsupdated 7 y ago
• EExtended Tech Tree 1960by RingwraithWelcome to the Extented Tech Tree 1960 mod This is a role-play focused mod. I aim to extend the tech tree to the 1960's keeping the game as faithful to Paradox’s original vision as possible while adding new technologies vertically, extending the time period you can play. This mod most likely inco...155.0k downloadsupdated 4 d ago
• EEast Coast Rebirthby Figly BiglyOWB - East Coast Rebirth 3.0.3 War, war never changes. This is a submod for Old World Blues which seeks to expand the mod into the East Coast. DISCORD: PATREON Support us on Patreon to help us get new art commissioned for the mod, and let us produce the best mod that we can. None of these donatio...154.6k downloadsupdated 4 mo ago
• NNorth America Dividedby 76561199247386861At the outbreak of the Great Depression, the history of the United States took a turn for the worse. The states grew distrusting of the government and many have decided the self rule is preferable to staying with the United States. Following the collapse of the United States, Canada and Mexico bo...149.2k downloadsupdated 2 mo ago
• RRoad to 56 : Expandedby Reyngade✅ 1.19x TAOG Update Compatible Unofficial submod for The Road to 56 📝 Description In this collection of mods, there are mods that enhance the Road to 56 with graphical and mechanical modifications. Due to the large number of mods included, there may be incompatibilities or other problems, if you...141.4k downloadsupdated 14 d ago
• HHearts of Iron IV: Economic Crisisby 76561198869003822Current version of the game: 1.10.8 Current version of the mod: 0.7.6.9.4 What if... did the world go in a different direction in 2013? The modification of "Economic Crisis" will allow you to take the reins of any state in our time, starting in 2013 and lead it into the future-to the distant 2040...134.8k downloadsupdated 5 y ago
• UUltimate Tech Tree:Reforgedby TolisWith over 1300 new icons this mod aims to extend the timeline to the 90s while introducing realistic looking unit icons and tech development. COMPLETED NATIONS:USA,SOV,ENG,FRA,GER and ITA(WW2 ONLY),NAVAL TREE Special thanks to the Operation Overhaul( ) team for lending me the base for the air,ind...126.1k downloadsupdated 5 y ago
• HHearts of Iron IV: The Great War CNby fight fowThis is a Chinese translated version of Wolferos's great mod of "Hearts of Iron IV: The Great War".This translated version is only for Chinese players. Hearts of Iron IV: The Great War original mod link ： 。Non-Chinese players please visit ttps:/steamcommunity.com/sharedfiles/filedetails/?id=69970...124.5k downloadsupdated 3 y ago
• GGerman tank equipment + planesby Rudi Mentär************ Compatibility ************ It only changes graphics and localization text. So, you can use it with any other mod without conflicts. ************ What it does ************ This mod tries to change german equipment in a historically authentic way for more . - Changes all planes graphic...122.9k downloadsupdated 7 y ago
• FFührerreichby 76561198417835847Führerreich: Legacy of the Great War, formerly Führerredux, is the official successor to the original Führerreich mod. Starting out as an expansion on the original, Führerreich: Legacy of the Great War is now a total overhaul of the original, taking the original setting and developing it further,...120.6k downloadsupdated 5 d ago
• AAir Reskin - Paint the Planesby ADLERPaint the Planes - Total Aircraft Reskin (1.19.+) Fully compatible with all DLC & Vanilla. Mod remodels & reskins all aircraft in the game to historically accurate war-paint/camouflage & markings of the period. Over 160 reskined aircraft. 112 Models, German Skins added for Eastern Front Planes Pa...117.3k downloadsupdated 5 mo ago
• DDarkest Hourby 76561199574491450Darkest Hour is a total overhaul mod for Hearts of Iron IV. Beginning in 1933, the world is still reeling from the effects of the 1929 Wall Street Crash. With the rise of extremism in Europe, the uneasy peace that ended the Great War appears to be on the verge of unravelling, and the world's nati...116.7k downloadsupdated 5 d ago
• BBetter Mechanics : Extended Projectsby 76561199068700672Extended Projects is a mod that enhances the special project mechanic by introducing a vast array of new content. This includes a diverse selection of modules, equipment, and units, allowing for greater depth and customization. Contains a total of 32 unique Special Projects, 14 Modules, 7 Equipme...111.1k downloadsupdated 5 mo ago
• 潜潜龙腾渊难度决议组显示by 76561199698496028为了防止潜龙腾渊因为难度决议的原因遭到攻击，因此决定把不同难度设置为不同的世界线，其与潜龙腾渊主世界线半毛钱关系都没有！ 难度决议组面向以下的人： 1.觉得潜龙腾渊主世界线打太约就像踩蚂蚁，想要回归原版踢狗体验的玩家 2.想要真正迎强敌，能和路边两条机器狗打的有来有回的玩家 3.技术力高超却又喜欢蹲大牢的超级M玩家 4.喜欢用大力丸危机合约G_cheatModifierGUI等mod打天堂之战的玩家110.8k downloadsupdated 18 mo ago
• 潜潜龙腾渊（中国扩展与完善）by 76561199165486209此版本因适配性更新难度提高，暂时性内置了烈焰升腾本体，各位游玩时单独启动即可 潜龙腾渊制作组声明 潜龙腾渊制作组，以下简称本制作组，特此发布以下正式声明，以澄清立场、避免误解： 一、 关于“烈焰升腾（TFR）”相关内容的立场澄清 本制作组在此明确声明，本组与“烈焰升腾（以下简称TFR）”制作组无任何合作、隶属或共享创作关系。本制作组不认同、亦不认可“TFR”所制作或呈现的任何涉及中国背景、文化、政治或社会的内容及表达形式。本制作组在相关题材的创作理念、历史考证及方法论上，与“TFR”存在根本性分歧。 二、 财务独立与非营利性声明 本制作组的所有开发、运营及宣发工作均为成员自愿、无偿的兴趣...110.7k downloadsupdated 23 d ago
• RRevolution or Reaction: Rise of Russiaby CatAlexMultilingual translation from community (including english): English version from community: Chinese traslation from community (革命还是反动：俄罗斯的崛起中文汉化版): Мод Revolution or Reaction: Rise of Russia начинается 1 января 1917 года, во время заключительного этапа Первой мировой войны, и будет затрагивать м...108.1k downloadsupdated 2 mo ago
• 11984 - Revolutionby SolstronThe year is 1984. The world is dominated by three totalitarian super states which dominate much of the developed world, with the remainder of the Earth left to be fought over by the Free Peoples or the Super States themselves. To some, history may be at an end with the free states seemingly too w...107.0k downloadsupdated 5 d ago
• 11944 - Downfallby ๑۩۩๑Zombie Slλyer๑۩۩About Europe By the start of 1944, the Axis Powers are on the defensive with the war having turned decisively against them. The word Endsieg is becoming more prevelent in their propaganda to boost morale and maintain the belief that victory is still possible. It wont stop the Allies who are now a...106.8k downloadsupdated 1 mo ago
• UUMCbN 3.00by Narzgel3.00 Update is OUT! Join us on Discord! • • see regular TEASERS there • place for your suggestions, bug-notice • place for chat, chill and new friendships :-)104.2k downloadsupdated 1 mo ago
• WWar of the Worldsby DarzallWelcome to the War of the Worlds mod: Major heads up, the workshop version currently doesn't work with the up to date version of the game. You need to go to the mod's discord and get the work in progress update, if you want to use 1.12! Small public service announcement, the Martian AI is rather...102.4k downloadsupdated 4 y ago
• ++2 Research Slotsby Scarabaeus+2 Research Slots Compatible with 1.12.* Does exactly what it says. Only the player country is affected. To trigger the event manually open the console (^) and type: event Researchslots.1 I can and will not guarantee that my mod will work well together with other mods, especially major overhaul m...98.9k downloadsupdated 6 y ago
• DDie Kriegsmarineby ADLERAdds additional factories, developments & tech to focus on naval production for any nation. It also adds defence units & other units to any nation you are playing & unique divisions for Germany & Russia to the game with unique skins & stats. (1.19) Fully compatible with 'Man The Guns DLC' - I hig...96.6k downloadsupdated 5 mo ago
• UUltimate Tech Tree: New Horizons 3.0by CynderNow updated for Hearts of Iron IV 1.19.4! Ultimate Tech Tree: New Horizons 3.0 Extend Hearts of Iron IV into the 1990s with thousands of new technology icons, additional modules, realistic unit icons and names, and an immersive Cold War experience. Our goal is to preserve the feel and balance of...93.5k downloadsupdated 6 d ago
• TTheir Finest Bruh (TFB)by ThatGuyFromCollegeMain multiplayer mod used by the famous youtuber/streamer Bokoen and WoW streamer Tommykay. Currently being developed by Swimmy and Packerfan. Assistance from ThatGuyFromCollege, Vik, Townes, Jukki, Vaiyon, for balance changes Mod right now would not be possible if not for the work of previous mo...91.1k downloadsupdated 6 d ago
• 22x faster research and national focusby arcaNow avalible on Paradox Mods! Small submod that makes early game more enjoyable. Decreases 2x time needed for research and national focus! Global version, should work with most mods86.8k downloadsupdated 3 y ago
• TThe Great War Redux : Expandedby Reyngade✅ 1.19x TAOG Update Compatible Unofficial submod for The Great War Redux 📝 Description This mod collection expands The Great War Redux by adding additional gameplay mechanics and graphical enhancements, aiming to improve depth, immersion, and overall experience. The collection includes carefully...86.4k downloadsupdated 1 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.