Mods / GameplayHearts of Iron IV mods
Hearts of Iron IV gameplay mods
Everything filed under gameplay by its own author, ordered by how much it is used.
1,163 gameplay mods, most downloaded first · newest update 31 Oct 2026
AllGameplay1.2kAlternative History799Graphics759National Focuses678Events649Historical588Balance555Map534Military491Fixes467Utilities388Technologies357Translation292Sound269Ideologies225Music10submod5Alternate History5
1.2k gameplay mods
- AI Demobilizationby Reginald123♥Have you ever wanted to play a Hearts of Iron IV game to 1980, but were limited by the AI division spam? This mod is for you! This mod adds an event for the AI to demobilize every two years, starting in 1938. If the AI is at peace, has more than 50 divisions, and has less than 85 War Support, the...27.0k downloadsupdated 7 y ago
- EoaNBR (Player Led Peace Conferences Add-On)by VanadiumOptional Player Led Peace Conferences for End of a New Beginning Redux! ONLY COMPATIBLE WITH: End of a New Beginning Redux End of a New Beginning I cannot guarantee it won't break when used with other overhaul mods27.0k downloadsupdated 5 y ago
- Improved Conquest Flavor 1.25 - 67 New Events!by Lonely Knightess!!!NOT IRONMAN COMPATIBLE!!! !!!CHECK THE ROADMAP BEFORE SUGGESTING PLEASE!!! What is it? Improved Conquest Flavor makes alternate history more interesting by adding new events for the fall of various cities, ala the vanilla events for various countries taking Berlin, Moscow, London and other maj...27.0k downloadsupdated 10 y ago
- OWB: Grand Doctrinesby Zam138A rudimentary test mod to bring the new HOI4 Doctrines into OWB's economy, featuring Land, Sea, and Air doctrines (somewhat) tested, reflavored, rebalanced, and brought to life in the American Wasteland. This mod does not replace the XP doctrines now located in the Research Screen. I'm just one p...27.0k downloadsupdated 1 mo ago
- Judgment Day: Aftermath of the Red Floodby 76561199055253159Judgment Day: Aftermath of the Red Flood v.0.2.2 "The Crown of Anarchy" Compatible With: HOI4 1.19.X Note: Currently incompatible with the No Compromise, No Surrender DLC. Welcome to the world after the Red Flood. This is a world called “Judgment Day”. Playable Countries Full Content - Seattle Co...26.9k downloadsupdated 1 mo ago
- 50民工建造by 76561198351498154一个简简单单的小功能修改MOD，集中力量干大事！26.9k downloadsupdated 11 mo ago
- Equestria at War: New Technologyby kelpyA submod for Equestria at War that overhauls the tech trees and technology files. Please note that I developed this with all DLCs active. While the game may load without the DLCs, the tech trees may not work/look right. Features: - All tech trees now have technologies going to 1030 minimum - New...26.9k downloadsupdated 2 mo ago
- Advanced Civil Warsby IDeployAfterHoursMakes Civil Wars more realistic, where releasables of any given country in a civil war will secede. Neighbouring countries with shared cores will take advantage, taking land and involving themselves in the war. Should not impact a vanilla historical playthrough as the Spanish Civil War is uneffec...26.8k downloadsupdated 20 mo ago
- Across The Dnieper | Rebornby 76561198359649010“The old world is dying, and the new world struggles to be born; now is the time of monsters.” - Antonio Gramsci Decades on from the collapse of the Soviet Union, Europe once again finds itself in a time of peril. Domestically, many countries have been challenged by the immigration crisis, brain...26.8k downloadsupdated 20 mo ago
- Hearts of Arstotzka - Old versionby KalLink to New Version of Mod ^^^^^^^^^^^^^^^^^^^^^^^^^26.8k downloadsupdated 8 y ago
- Poland Time Machineby 76561198879777811Hej bananowce, mod ten opowiada alternatywną historie, co gdyby aktualna scena polska scena polityczna rządziła polską w 1936. MOD NIE JEST AKTUALIZOWANY I PRAWDOPODOBNIE NIE DZIAŁA NA NAJNOWSZEJ WERSJI, JEŚLI MASZ DOŚWIADCZENIE W MODOWANIU I CHCIAŁBYŚ GO ZAKTUALIZOWAĆ NAPISZ DO MNIE NA STEAM LUB...26.8k downloadsupdated 4 y ago
- KR Super Events: Go Play Kaiserredux Editionby general gunericKaiserreich Super Events: GO PLAY KAISERREDUX Updated to spite RobloxFanboy86 Adds larger, more impactful "super events" with music. UPDATE 4: GO PLAY KAISERREDUX Current super events: Second Weltkrieg American Civil War Spanish Civil War Russian Civil War Austria Declares War Russia Declares War...26.8k downloadsupdated 6 y ago
- Ashes of the Empire [v 0.1.2]by PalpyAshes of the Empire is a total conversion mod that takes you into the galaxy right after the battle of Endor in the Star Wars universe. The mod mostly takes place in Legends however it also has elements from Cannon. The mod includes many new game mechanics into Hearts of Iron IV. This is an ALPHA...26.7k downloadsupdated 3 y ago
- Reworked Air Designerby FreezerThis mod adds new modules such as: -Reflex Gunsight I ( air attack +5%) -Reflex Gunsight II ( air attack +7% ) -Gyroscopic Gunsight I ( air attack +10% ) -Gyroscopic Gunsight II ( air attack +15% ) -Remote Control Turret System ( air attack +15%, air defence +15% ) for stratigic and tactical bomb...26.5k downloadsupdated 15 mo ago
- Mr Incredible became World Tensionby ♥i always wanted it ironman compatible26.5k downloadsupdated 5 y ago
- 2x faster researchby arcaFor people that only wanted faster research for 2x faster research and national focus. - Decreases research time and ahead of time penalty by 50% Global version, should work with most mods26.3k downloadsupdated 3 y ago
- 成就mod（1.19.4）by 76561198976639478本 MOD 的作用是解除限制，允许你在挂载其他修改内容的 MOD 时，依然可以正常完成并获得原版成就。 ⚠️【特别注意】 不能直接秒解锁成就：本 MOD 仅解除成就限制，仍需在游戏内满足达成条件（如需开局一键秒解锁全部成就，请搭配使用我的另一个 MOD：成就模组 (1.19)）。 必须开启铁人模式：游戏内必须勾选“铁人模式 (Ironman Mode)”才能获得成就。 直接订阅无效：必须将 MOD 里的 hoi4.exe 手动替换到游戏根目录才能生效！ 🛠️ 正确安装与替换步骤 1. 找到 MOD 文件夹： 打开 P 社启动器 (Paradox Launcher)，在 MOD 列表中找到...26.2k downloadsupdated 10 d ago
- 轴心国将领加强与补全by 76561198863948428同志，如果你喜欢这个MOD，请给个免费的👍👍👍吧，好让更多的人看到这个MOD。 本MOD为德国新增了史实将领，同时根据史实资料（百度百科、维基百科）为德国及其轴心国盟国将领补全了将领特性。 特性补全逻辑为： 将领若是从军校毕业则为其添加职业军官特性； 步兵军校毕业（比如伏龙芝军事学院步兵科）则为其添加步兵军官特性； 骑兵军校毕业则为其添加骑兵军官特性； 装甲兵、炮兵、海军同理； 若36年之前战功赫赫且授勋则为其添加战争英雄特性； 若36年之前为师、军及以上级别则根据其具体兵种为其添加兵种指挥官特性； 根据历史，现在德国开局只拥有【勃洛姆堡】这1位陆军元帅； 【个人改动部分】 1、为德国将...26.1k downloadsupdated 24 d ago
- Aly's Visible Railroadsby whoTheHellIsSteveJobs?===================================== ● IRONMAN & ACHIEVEMENT COMPATIBLE ● MULTIPLAYER COMPATIBLE ===================================== ALY'S IMPROVED GFX - VISIBLE RAILROADS No Step Back is a great expansion. Railways and supply hubs add fantastic flavor, and sparks new strategy for both single...26.1k downloadsupdated 21 d ago
- 苏联国策优化by 76561198863948428同志，如果你喜欢这个MOD，请给个免费的👍👍👍吧，好让更多的人看到这个MOD。 【注意】 本MOD需要全部DLC (全部功能性DLC即可) 本MOD支持最新官方中文，请勿重复订阅52汉化 ！！！ 本MOD整合了苏联将领包：《苏联将领加强与补充》，请勿重复订阅 ！ 本MOD整合了《苏联国策修改》中的 “五年计划” 决议代码。（已获得作者授权） 原MOD链接： 本MOD作者是坚定的斯大林主义者只玩斯大林线，所以本MOD删除了其它线，介意请勿订阅！ 第一次做国策MOD，有BUG还请见谅。 【更新内容】 一、MOD特色： 1、新增一条联合路线的国策，背景为列宁、伏龙芝、斯维尔德洛夫等人 未逝世的...26.0k downloadsupdated 3 mo ago
- Switzerland Reworkby Sad Anime BoySwitzerland Rework As the name already suggests, this mod tries to make Switzerland more interesting to play. Didn’t you ever wish to play as Switzerland and take over the world, but the Generic Focus Tree looked too boring? Do you ever wanted to change the tides, against all odds and make histor...25.9k downloadsupdated 7 y ago
- OWB - East Coast Rebirth [OUTDATED - READ DESC]by 76561198337474056OWB - East Coast Rebirth 1.1 IMPORTANT: This mod has been moved to a new page, due to some weird stuff with the Steam Workshop and Paradox Launcher. You can find it at War, war never changes. If you have Old World Blues: Hellfire you will have to uninstall and reinstall OWB East Coast, for some r...25.9k downloadsupdated 6 y ago
- Continents are Countries - Antarcticaby Choo_Choo_OreoPresentation Continents are Countries (CrC) is a semi-balance world industriously were the 6 habitable continents fight it out. There is also setting were you can re-shift the map were there could be subcontinents or the inter continent it self is fragmented up. Or you could merge them up into su...25.7k downloadsupdated 2 mo ago
- Alone against the world - New Update!by PreciousPigWelcome to Alone against the world! Inspired by mods such as Ragnarok and Endsieg, this mod is intended as a challenge for experienced players, where you will have to fight the entire world at once. What this mod does: In the first month after starting a new game, an event will fire that lets you...25.6k downloadsupdated 2 y ago
- 苏联将领加强与补全 Soviet Generals and Scientistby 76561198863948428同志，如果你喜欢这个MOD，请给个免费的👍👍👍吧，好让更多的人看到这个MOD。 本MOD为苏联新增了史实将领，同时根据史实资料（百度百科、维基百科）为苏联将领补全了将领特性。（P社太懒了，特性都没有给全......） 特性补全逻辑为： 将领若是从军校毕业则为其添加职业军官特性； 步兵军校毕业（比如伏龙芝军事学院步兵科）则为其添加步兵军官特性； 骑兵军校毕业则为其添加骑兵军官特性； 装甲兵、炮兵、红海军同理； 若36年之前战功赫赫且授勋则为其添加战争英雄特性； 若36年之前为师、军及以上级别则根据其具体兵种为其添加兵种指挥官特性； 根据历史，现在开局拥有图哈切夫斯基、布柳赫尔、叶戈罗夫、布...25.6k downloadsupdated 25 d ago
- Unlock All Ideologies For All Countriesby CSRZFINAL UPDATE _________________ COMPATIBILITY ISSUES WITH OTHER MODS: - none (mod doesn't edit any vanilla files - only adds new ones) _________________ A mod for people like me who would like to play as non-aligned country from time to time or simply change ideology in the middle of the game. Sho...25.6k downloadsupdated 2 mo ago
- Ashes of Germanyby CamuneWelcome to Ashes of the Empire What if France had implemented its plan to divide Germany after the Great War? ------------------------------------------- Current version : Hakkō Ichiu (c) -> Focus tree for Mongolia -> Flavour and Fixes for some countries -> Society laws --------------------------...25.4k downloadsupdated 13 mo ago
- (OLD VERSION) International Arms Market (OLD VERSION)by MaximusUNSUBSCRIBE FROM THIS MOD TO PREVENT ISSUES WITH THE NEW VERSION The mod has received an update, but due to an issue with my launcher, I had to make a new page for the mod. New Mod:25.4k downloadsupdated 5 y ago
- 碧蓝档案将领包 Ver.Bravoby 去兰州买烧饼《碧蓝档案Blue Archive》是由Nexon Korea旗下子公司NAT Games开发，日本Yostar发行营运的一3D美少女RPG养成游戏。 本mod基于《碧蓝档案》中的角色制作的将领包 目前拥有137+13个学生，大部分角色都有自己的独特之处。 目前的特色： 每个角色均拥有可随等级升级而升级的特定特质。 大部分角色均有各式各样的机制，包括从战斗中触发的技能到以省份为目标的决议。 部分角色包含奖励任务，完成任务后的奖励包括民族精神，奖励决议和某些基沃托斯黑科技。 注意：虽然蠢驴更新了官方中文，但由于官方的中文字库缺失了某些字，因此仍建议开启52汉化或修改中文字体的mod来避免乱...25.4k downloadsupdated 2 mo ago
- Annex Subjectsby Colonial RedLets you annex your puppets through the decisions tab. Version: 1.1225.3k downloadsupdated 4 y ago
- Stalin's psychologist(斯大林的心理医生)by 76561198385753132斯大林的心理医生 —————————————————— 启用此mod后，当政治偏执度系统启用时，将会在政治偏执度决议组中出现一系列心理医生决议，使玩家可以降低斯大林的政治偏执度。 每个心理医生决议在使用后等待需一周后才能重新使用 ———————————————————— 祝大伙不会被大林子洗掉。 感谢大伙的翻译，我搞了个英文版上传了 English version：25.3k downloadsupdated 12 mo ago
- More Support Tanksby joris327This mod allows you to put all the usual tank battalions as support companies in your divisions (+ some motorized and mechanized companies as a bonus). The major benefit being that support companies require less tanks, but they come at the cost of a penalty to most stats. Especially minor nations...25.2k downloadsupdated 2 y ago
- Fast Construction (Can Disable/Enable at will)by LimitspassedIn this mod you can build much faster using decisions. - Only affects the Player AI is not affected. - These are done via decisions which add an idea to your nation which can be removed via the remove decision that appears. - If you remove the idea via the decision the modifier stays active until...25.1k downloadsupdated 7 y ago
- Stop the AI Collaboration Government Spamby CSRZFull update 1.15 (it's outdated right now - I don't know if it's still needed) ____ This is a very simple and highly compatible mod that stops the annoying behavior of some AI controlled countries - it completely and definitely blocks the AI from EVER releasing collaboration governments in Hearts...25.1k downloadsupdated 2 y ago
- Cheap Division Designs [Outdated]by CubeDevThis mod allows changing army division designs for small amounts of experience: - New single battalions cost 0 army experience - New group battalions cost 1 army experience25.1k downloadsupdated 7 y ago
- Vanilla +by WeloxVanilla + Aims to make your vanilla playthroughs better and longer. All credit goes to original mod creators and me for the changes. There are multiple mods that make up V+ and they are slightly modified to make your experience better. Vanilla + Mod List This is some of the features V+ adds Histo...25.0k downloadsupdated 6 y ago
- Avatar - The last Airbenderby SpielkrokodilLooking for successors! The current modding team is pretty much dead and no one really wants to continue the mod anymore. The project is free for anyone to continue, although i would be happy if it wasn´t completey changed and the idea and spirit of the original design was kept (no focus trees, n...25.0k downloadsupdated 2 y ago
- 1933by 7656119844460626725.0k downloadsupdated 5 y ago
- 20支援连by 7656119899347225725.0k downloadsupdated 7 mo ago
- Too Many Statesby lutetTHIS MOD IS NOT DEAD!!! A very basic mod. I've added ~3500 new states to the game (quadrupling vanilla state count), starting in Europe and Africa, now spanning all of Continental Asia and most of Oceania. I haven't done the population, but at least I can say it might be fun in the future. Test i...24.9k downloadsupdated 7 y ago
- JJ's 80% Tension Guaranteeby ToastedPaperUpdated. Same effect. Democracies can only guarantee a country at 80%.24.9k downloadsupdated 6 y ago
- New Italian Focus Tree (Discontinued since BBA)by Goth_RungEver wanted a more in depth focus tree than the small one in the base game? Well here you go! Paths for communism, fascism (historical), monarchism, democracy, and military regime. This mod also introduces a Mafia system in which the mafia corruption can g24.9k downloadsupdated 5 y ago
- 灰风来到了钢四by 海音线的枫茜MOD概述 在Stellaris中备受喜爱的灰风来到钢四啦！本MOD通过一系列间谍行动、决议、事件、机制，让你能够在钢四中获得及培养灰风，并且花费珍贵的能量来动用灰风的各种能力...总之，这个MOD我可以保证绝对有趣！ 关键概念介绍 培养方案： 灰风在加入之后，可以从陆军线、海军线、政府线这三大路线择一而行，而政府线又有科研、宣传和建设三个小分支，所以一共是五种培养方案（PS现在已经更新到六种了） 灰风详情面板： 这是在决议中制作的一个自定义面板，详细展示了灰风目前的各项情况，帮助你掌握有关灰风的所有信息 灰风的能力：根据选择培养方案的不同，灰风会展现出完全不同的能力。在陆军线可以担任上...24.9k downloadsupdated 21 d ago
- Heart of Slotsby 7656119952172774140 ship/tank/plane module slots with no type or count limits and less speed/reliability penalty 56 building slots and more non-shared buildings 900 political advisor slots, 900 commander slots, 900 industrial company slots and 900 army spirit slots!!!!! enable multiple grand doctrines and subdoct...24.9k downloadsupdated 6 d ago
- puppet resourcesby 76561198322738424I don't understand why I have to spend a factory to buy resources from my puppets. If I've colonized them they should be my colony. This mod can help you get resources right away from your puppets. There is a button at the top left corner of the state view menu, this button is for the resource ri...24.9k downloadsupdated 4 y ago
- Millennium Dawn Economic System In Vanillaby 76561199204575587Welcome to the mod that adds the MD Economy to vanilla This mod is the third of its kind, you can see my other economic mods from other mods/games in Hoi4 below The mod adds: MD Economy System MD Influence System MD Investment System MD Buildings Unemployment Map Modes, GDP per capita, etc. MD Pr...24.8k downloadsupdated 6 mo ago
- Economy and Military Decisionsby RyanDescription: This mod adds Decisions to the game where a country can improve their economic and military situations. These Decisions are unique in that they do not cost Political Power to activate. Instead, factories are required to activate these decisions. The AI will choose these decisions. Ho...24.8k downloadsupdated 3 mo ago
- Old World Blues - Iron Alliance Reduxby czachor0Special thanks to SneakyandMean, who created gfx for national spirits, national focuses, flags, ministers, and provided proofreading support. Iron Alliance Redux - A Submod for Old World Blues Mod information and Features Iron Alliance Redux is a sub-modification for Old World Blues. This mod ove...24.8k downloadsupdated 7 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.