Mods / Gameplay

• RRoman Empire: Resurgenceby RedCometWhen Mussolini first came to power just a few short years ago, many thought he would reign supreme. They were mistaken: in 1934, a rebellion broke out in the city of Rome, and rapidly spread thought southern Italy, Malta, the Dardanelles and Tripoli. In 1935 a peace accord was struck between the...17.6k downloadsupdated 7 y ago
• UUshakov's Expanded Buildings [Extended Hiatus]by 76561198411301360UPDATES: 2024 March 16: Updated for 1.14, increased compatibility. 2023 November 2: Construction BGs are now the correct size. 2023 October 14: Updated for AAT DLC. New Buildings: - Resource Plants -- Can be improved via technology - Synthetic Oil and Rubber Refineries -- Separated and can be imp...17.5k downloadsupdated 3 y ago
• AAraxiel's Signal Company Buffby AraxielThis little mod buffs the Signal Company, for extra immersion, realism and historical accuracy. I always found the signal company to be massively underwhelming and a waste of time and resources. It is the most expensive support company to build and train and takes a lot of time to research and al...17.5k downloadsupdated 10 y ago
• CChant of the Forgotten [DISCONTINUED]by 76561198353403393Welcome to "Chant of the Forgotten" a mod that aims to give new focuses and ideas to all those countries that have been abandoned by Paradox, or have received pitiful DLC focuses. [11.0.3] "Salve a Espada" 19/11/21 -The mod is not suited to be played in 1939. -The AI of Austria is set to follow t...17.5k downloadsupdated 5 y ago
• AAdditionnal Tank Technologiesby Edouard_SaladierThis mod add new technologies adding buffs to the different models of tanks you can research. Due to game limitations, which do not allow technologies to directly gives equipment bonuses, I had to use hidden ideas giving these bonuses, meaning that all the buffs will not be visible, but they will...17.5k downloadsupdated 7 y ago
• SSpecial Research Division: Revivedby Lord VesporeonSpecial Research Division (is now) Revived! This mod is a personal favourite of mine for its fun and ambitious, albeit focused, premise. Who can hate the idea of French mechs marching over the Rhine, Romanian techpriests holding the line against the Soviet Union, and Belgian drone planes shreddin...17.5k downloadsupdated 4 y ago
• EEU4 Style Monuments (The Road to 56 Compatibility Patch)by LimonenZitroneInformation This is a compatibility patch mod for EU4 Style Monuments and The Road to 56. You need to activate all 3 mods. Since it aims for making the included monuments work with The Road to 56, it changes the states the monuments are in, if required. Descriptions were not changed. Other If you...17.5k downloadsupdated 5 mo ago
• HHearts of Augmentationby FoxyishaHearts of Augmentation is a mod that aims to fully augment the game, improving historical accuracy and adding new alternate historical paths to explore. Quick Warning: This mod contains imagery and references to events that some players may find offensive or upsetting The British focus tree has b...17.5k downloadsupdated 9 y ago
• SScornful Insultsby LimonenZitroneInfo This mod brings scornful insults from Europa Universalis IV to Hearts of Iron IV. Features You can insult any country that is neither in your faction nor already at war with you. You can send an insult every 90 days and every 6 month to the same country. AI will also insult neighbor countrie...17.4k downloadsupdated 5 mo ago
• MMore Decisionsby 76561198339356554Adds a small number of new decisions to make the game a little easier. A new mod with the same direction: Languages: - Russian - English - Chinese - Click here(original required) Don't forget to rate!17.4k downloadsupdated 3 y ago
• PPuppet Wargoalby Der Große KönigAre you tired of conquering nations, becoming the total victor yet cannot install a puppet regime?. Being forced to annex all their land or leave with nothing?. This mod fixes that. Now even neutral nations can specifically declare war to install a puppet. You have the option to take all states,...17.4k downloadsupdated 10 y ago
• NNo Naval Dockyard Limitsby Slurpee12This mod never has to be updated and will work with any version of the game. Removes dockyard limits / Unlimited naval dockyards per ship. Naval production was a little too slow for me. Yeah this breaks things, but whatever. Makes UI better at least, don't have to have 8 lines of BBs now. Compati...17.4k downloadsupdated 8 y ago
• IInstant Buildingsby The DonaldThis mod changes the building times of all buildings with the exception of forts and their upgrades (for balance reasons) to 1 day. Forts are, however, massively discounted from their base cost. Facilities, dams, and Götterdämmerung physically built special projects (excluding nuclear) are simila...17.4k downloadsupdated 10 mo ago
• TThe Full Minecraft Soundtrackby 76561198840019238IRONMAN & ACHIEVEMENT COMPATIBLE You read the title right, all Minecraft music has been put into a Hearts of Iron IV music mod for your enjoyment. Drown out the noises of war and listen to all the peaceful, relaxing Minecraft songs as you take over the world. Adds 10 new separate stations. The fo...17.4k downloadsupdated 6 mo ago
• MMore German Generalsby 76561199014121988This mod is newer. Please use it if there are Problems This Mod adds a Few new Generals. Rn 96 Wehrmacht Generals and 30 Waffen-SS Generals(7 Extra with Decision) This Mod Will Expand the General Staff and if CW happens the SS Will Leave. It will be Expanded every Month If you want Something Iron...17.3k downloadsupdated 10 d ago
• MMan In The High Castleby Ryman(THIS IS NOT MY MOD I ONLY REUPLOADED AND UPDATED IT TO WORK ON THE CURRENT GAME VERSION) I did NOT make this I simply reuploaded it and updated it to the current version. I am not very adept at modding so I probably won't be able to add to this mod so you get what you get. If the original owner...17.3k downloadsupdated 8 y ago
• ((Player Only) OP Buffby Ronny(Player Only) Overpowered Buff Each player controlled country has various decisions which grant OP Buffs to the nation such as 'Unlock_Research' which instantly unlocks all available research and the 'OP_Buff_enable' which grants various game changing buffs. The OP Buff can allows the user to dis...17.2k downloadsupdated 3 mo ago
• EExperience Increaseby budistHave you ever wished your best commanders could keep growing beyond the normal Hearts of Iron IV limits? **Experience Increase** expands the military XP and commander progression system, allowing long campaigns to properly reward the generals, field marshals and admirals that keep fighting. This...17.2k downloadsupdated 5 mo ago
• ZZombie Virusby The Last Another Crystal WingsSayoLab Creation. A WIP but Playable zombie mod in latest game version(1.16.*). —— Story: An old ancient ice virus came quietly into this unpeaceful world. All is too late. After it has been found in Socotra, You have no time to prepare. —— Feature for now: A zombie country randomly spawn several...17.2k downloadsupdated 17 mo ago
• DD-Day (Updated for 1.11 No Step Back !)by PreciousPigThis mod starts on June 6th, 1944. After years of Axis rule over Europe the Allies have landed in Normandy. Meanwhile Italy is almost completely liberated from Fascism, and a powerful Soviet Union is pushing the Axis back in the East. In the Pacific, Japan struggles to hold on to its vast Empire...17.1k downloadsupdated 5 y ago
• EEnclave Focuses+ Reduxby 76561199018951245Update - 08/26/2026: THE AWAKENING GIANT UPDATE RELEASED Hotflix - 09/07/2026: Hotflix released What started out as a small personal mod for me has become an enduring project to honor the Legacy of Enclave Focuses+ and expand beyond the mod that started it all. This is NOT affiliated with the ori...17.1k downloadsupdated 2 mo ago
• 女女仆团拓展：蔚蓝档案C&C女仆间谍包by Kasumi女仆团蔚蓝档案间谍拓展包，加入了以下五位女仆间谍： 一之濑明日奈 室笠朱音 角楯花凛 美甘尼禄 飞鸟马时 请注意必须配合 女仆团拓展:更多角色、内容与玩法 使用哦17.1k downloadsupdated 12 mo ago
• --Historical Tank Tech Treesby Slurpee12No longer under development. I don't enjoy this game anymore, so it's hard to mod something you don't enjoy. If you'd like to play this mod, revert to 1.5.3 If you'd like to play something similar checkout Uncharted's version of the mod UPDATED for 1.5.3 - Waking the Tiger Compatible - see patch...17.1k downloadsupdated 8 y ago
• RRecall Volunteersby CaraHave you ever sent divisions to a country only to have them starve to death for a year because they can't find a direct route to the capital's supply line? Then here's a mod you might enjoy! Compatibility: Should be compatible with everything. Not a single vanilla file is edited. There is a small...17.0k downloadsupdated 7 y ago
• 11984 - 革命 / 1984 - Revolution 汉化包by 76561198967918487注：模组内容灵感源于小说《1984》 ---------------------------------------------------------- 此汉化包已整合辅助mod： Modifier Icons 汉化版 数据图标 无需再次订阅 ---------------------------------------------------------- 子模组：1984 革命 - 燃棘之垒（内容为乌克兰反抗军）(2026/3/31 已整合进原模组 已毕业) ---------------------------------------------------------- 198...17.0k downloadsupdated 1 mo ago
• UUnit Leader Expandby 76561198436692543New or Changed Feature: I. Unit Commanders Level cap: Army & navy commanders expanded to level 100; agents & scientists to level 10. Victory event reward: When win ratio >80% over 30 days, army commanders have a chance to gain bonus XP and a temporary trait. Passive XP gain: Army/navy commanders...16.9k downloadsupdated 7 mo ago
• TThe 2021 Afghanistan War (1.10)by Se_RThis page is discontinued check out new page: but i still hope to declare to declare to declare to declare to declare to declare to declare to declare to declare to declare to declare to declare to declare to declare to declare to declare to declare to declare to declare to declare to declare to...16.9k downloadsupdated 5 y ago
• SSeparate Peace gui [EN]by 76561198370884764This mod introduces a system that can require a separate peace with an enemy country. This mod is currently an early release and some systems are not available. Caution 1)This mod was created by a Japanese producer and translated into English. There may be some unnatural expressions. 2)If you pla...16.9k downloadsupdated 7 y ago
• AAttack on Titan Redux (WIP)by 76561199024489750Attack on Titan Redux Attack on Titan Redux is standalone mod based around Hajime Isayama's Attack on Titan Universe that aims to depict the universe with an expanded lore based around our adaptation of what was missing in the Attack on Titan Universe. This mod aims to bring the story of Attack o...16.9k downloadsupdated 22 mo ago
• CCaspian Sea Unlockedby The BritA small mod that allows you to build ports and deploy ships within the Caspian Sea as if it was just another naval zone. It also adds the Volga-Don canal connecting it to the Black Sea which can be unlocked via a new decision. Does not require any DLCs and is not ironman compatible. The great Aze...16.9k downloadsupdated 6 mo ago
• MMister Burke's Framework & Utilitiesby 76561199133260718What’s This Mod About? MBFU is the backbone of all of Mister Burke's (my) mods, serving as a collection of essential utilities, shared systems, graphics, new mechanics, localization, interface components, and framework tools designed to simplify development and centralize content. FAQ Is this a s...16.8k downloadsupdated 17 mo ago
• NNew Horizonsby 76561199067875075DEVELOPER NOTES: We are Aware of the Crashes, we are working on the clock to fix it. We are currently narrowing down the possible issues, as, in 2 weeks of tests, we haven't been able to pin point the exact issue yet... Summary: New Horizons is a Hearts of Iron IV overhaul mod built for immersive...16.8k downloadsupdated 6 d ago
• SShadows of France: Arcade Versionby Edouard_SaladierDescription Shadows of France is a mod taking place on a full scale map of France, and its neighbouring countries. The whole map has been made using accurate data taken from different sources such as NASA’s Blue Marble satellite pictures, QGIS Natural Earth’s data and vector files taken from the...16.8k downloadsupdated 7 y ago
• OOWB - The San Francisco Chapterby SilverHoodMOD IS INCOMPATIBLE WITH CURRENT VERSION OF OWB. DO NOT ENABLE. Updates: 24th May 2026 - New version of OWB will render this mod obsolete. A new version may or not be made, will have to see. 10th May 2025 - Update for new version of OWB The San Francisco Chapter update 3.0 is finally here! You ca...16.8k downloadsupdated 18 mo ago
• HHololive of Ironby 76561198441232711Hololive of Iron: Unique mod version - Dawn of Resistance 6.6.2023 Latest Major Update New formable nation: You can support me at: Hololive of Iron (Old Version) 1.10.816.8k downloadsupdated 3 y ago
• CContinuous Focuses Hyper-Expandedby fedcbaEver felt that the current and even the Expanded Continuous Focuses are just Mouth-Watering? Ever wanted to be able to spend your power on any aspect of the game? Then these 56 Continuous Focuses are the minimum you need!16.8k downloadsupdated 9 y ago
• [[Rt56] Industrial Expansion - Extra Building Slots and Resources!by ZaphOther Versions The vanilla version of the mod can be found here. Description Ever wanted to build tall as Luxembourg, or make Ethiopia the industrial capital of the world? With Industrial Expansion, those dreams are now a reality. This mod adds 3 new buildings to the game. The Industrial Expansio...16.7k downloadsupdated 23 mo ago
• MMillennium Dawn: Rise of the Vaticanby Angriest BirdEver thought it would be fun to play as the Pope and then become a Caliph? Well, now you can! Features: - Focus Tree - Unique Wargoals - Decisions - Some Events Future Plans: - Communist Vatican ...16.7k downloadsupdated 5 y ago
• LLags- NeverAgainby Sir.WadengoldThis Mod stops the gamebreaking lags, that start at the late midgame. Gives debuffs to the most minor countries like oman and all south american countries. Will stop them spamming troops or do other stuff, to prevent lags. countries affected: Albania, Yemen, Oman, Nepal, Bhutan, Tannu Tuva, Chile...16.7k downloadsupdated 8 y ago
• SSpecial Research Division [LEGACY for version 1.10.X]by FreikWont be continued. A version for 1.11.X can be found on the workshop Do with it whatever you want Thanks to The Iron Workshop for making GREAT educational videos they helped me get into hoi 4 modding Thanks for all the great people who are working on the Hearts of Iron 4 wiki Thanks to all the co...16.6k downloadsupdated 6 y ago
• BBetter Performance (discontinued)by WekkopUnfortunately, I no longer have the time to update this mod. Please do not expect any updates soon, as the mod is discontinued for the time being. Feel free to fork it and publish your own version. This mod aims to enhance the player(s) performance and reduce late game lag with increased fps. Kee...16.6k downloadsupdated 4 y ago
• WWarhammer The Great Crusade Reborn [OLD]by D@niilMOD HAS NEW VERSION: Mod: The Emperor and His Advisors Appearing in the Himalayas in 1936 Mod Version: 0.0.5a Alpha Supported Languages: - English - Russian Content: - 3 models for guardsmen (from Dawn of War) - Focus tree with over 250 focuses - Superweapon - Extensive technology tree - New advi...16.6k downloadsupdated 18 mo ago
• SShadow of Sèvresby NovaBased on the Scenario: What if the Treaty of Sèvres was successfully implemented? The Discord Mod Features Independent Caucasian nations & Kurdistan 5 Unique Focus Trees: Armenia, Azerbaijan, Georgia, Greece & Turkey Custom Generic Focus Tree for Kurdistan Releasable Countries: Central Asian Fede...16.6k downloadsupdated 4 y ago
• MMore Medalsby NdlfThis mod increases the variety of medals for Germany, the United States,UK,France,Itary,Japan,Soviet Union and China. This Mod goal is to make the game more immersive by increasing the variety of medals. Not all medals can be selected from the beginning, but the types of medals will increase as t...16.6k downloadsupdated 5 mo ago
• EEastern Kingdoms - Afghanistan Iran/Persia Iraq Saudi Arabia Oman Yemenby DakkadafiBrief Introduction: The Middle East is boring! - Not any more!!! Eastern Kingdoms adds spice in the region by introducing 6 NEW focus trees to the game. All independent countries in the region have new focus trees, ideas, scenarios and basically are showened much much deserved LOVE! Your games wi...16.6k downloadsupdated 5 y ago
• [[OUTDATED] The American Civil Warby Microsoft Word----------------------------------------------------------------------------------- NOT MEANT TO OFFEND ANYONE MADE FOR ENTERTAINMENT PURPOSES The year is 1936. Suddenly, the United States goes back to 1861 and the American Civil War starts all over again. How will history unfold this time? Subsc...16.6k downloadsupdated 5 y ago
• 11870 Mod - A Franco - Prussian Warby 76561198331372081Welcome into my new mod : 1870 Mod - A Franco - Prussian Mod where you can play in the Victorian Era // THE MOD IS STILL IN DEVELOPMENT. ACTUALLY JUST IS IN 0.2 \ Infos Status : In development Actual Version: 0.2a [u16.6k downloadsupdated 9 y ago
• FFast Navy Buildingby ShaydWith this mod you get the power of the seas! You can get a x2 (+100%), x10 (+1000%) and a x100 (+10000%) bonus to dockyard output. Multiplayer compatible although non-hosts have to activate it through the decisions tab.16.6k downloadsupdated 5 y ago

1.2k gameplay 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.