Mods / Alternative History

• GGerman Communist tree (KPD)by STEPANEThis mod adds a communist tree for Germany. NOTE: Waking the Tiger DLC is needed for this mod to work Features: - Communist tree for Germany, that goes from focus 'Oppose Hitler' - 4 branches: 1) Join Comintern 2) Create your own European Socialist bloc, return bourgeois freedoms in your country...19.6k downloadsupdated 6 y ago
• RReleasable States: Fixedby RisingSunTHIS VERSION IS NO LONGER IN USE. SUBSCRIBE TO THE OFFICIAL SUCCESSOR TO RELEASABLE STATES: Update 0.7.2 Nuevo Iberia Patch ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ This version was created after Hearts of Iron 1.5 completely messed up the old version, leading...19.5k downloadsupdated 7 y ago
• SSecond Federation of Central Americaby YakezAlternative history mod (based on real country found in 1921). Adds Second Federation of Central America with unique national focus tree into 1936 and 1939 starts. Fully supports English. Частичная поддержка русского языка. Chinese localisation link. (outdated) Current version: 2.0.4 "Resistance...19.5k downloadsupdated 7 y ago
• MMankind's Valhalla: The New German Order (EAW)by 76561199138451403IMPORTANT, READ BEFORE PLAYING: This mod must be played alongside Equestria At war (YOU WILL CRASH IF YOU DON'T ENABLE EAW). And other mods must be disabled. We will not accept any crash/bug reports if you have not turned on historical AI while playing this mod, or have enabled any other mod besi...19.5k downloadsupdated 2 mo ago
• MMo' Nationsby GoldwasserHello Everyone Hello, Im teutonician and I want to present you with my 3rd Mod!, Its probably my favourite one I made. This mod includes as of now 35+ Nations!. These include: Jerusalem, French Colony of West Africa, Granada, Leon, Galicia, Aragon, Toulouse, Provence, Auvergne, Champagne, Burgund...19.4k downloadsupdated 9 y ago
• HHearts of Arstotzka Reduxby KalAn overhaul & successor of the original Hearts of Arstotzka mod, this mod adds every country from "Papers,please" into the game. Currently being designed to work with Road to 56 New Features -New Custom models for Arstotzka, Kolechia & United Federation -Reworked states and cities -Fleshed out na...19.4k downloadsupdated 7 y ago
• KKampf um Paneuropa: A Kaiserredux Submodby GlowingoneAustrian Empire can now form Paneuropean Union. Thanks Ultra2.0, we now have a Russian Localization mod for Kampf um Paneuropa. Updates: 1/26/2024 - Cores on Armenia and Azerbaijan. - Extra African claims. 12/20/2023 - Compatibility with the latest KX update. 9/26/2023 - Compatibility with the la...19.4k downloadsupdated 3 y ago
• GGermany Expandedby 76561198333265937! No update will be released until paradox takes a step back ! ● Germany Expanded: A Complete Overhaul ​Let’s be honest, the vanilla German focus tree has started to feel a bit limited after all these years. We’ve all played the same few paths dozens of times, and I felt it was time for something...19.4k downloadsupdated 2 mo ago
• PPlague.Inc Necroa Virus Styled Zombie Modby 76561199013936630Plague.Inc styled zombie apocalypse with unique events, new decisions, and special national spirits. Can you fight off the horde? French researchers have begun research on a potential Polio Vaccine. Long story short, the experiment failed and resulted in the creation of a highly unstable and infe...19.4k downloadsupdated 11 mo ago
• GGoodbye, Sweet Europe - A Kaiserredux Submodby VeroSLOVAK CONTENT IS HERE! Play as Slovakia, to get any ideology path and conquer the world! Want a Free Territory of Europe as Anarchist Slovakia? You can! Want Nat-TransHumanist Štefánik? You have it! To get Slovakia as independent state, play as Hungary and wait until Black Monday. Then, you will...19.3k downloadsupdated 5 y ago
• [[Abandoned]50 Construction Slots - Kaiserreichby MrBlazzar™I am no longer modding or playing HOI4 if someone wants to continue these mod be my guest either get the files form the steam download or my git A version of this Mod for Kaiserreich. Has support for Kaiserredux. Check out my other mods If you like the mod don't forget to19.3k downloadsupdated 22 mo ago
• MMissing Reichskommissariats for Germany | July Update!by Kavo?Hello HOI4 community, today I want to introduce my first mod for this wonderful game. Make all of Europe your puppets! Have you noticed that with the latest DLC Götterdämmerung Germany has added a lot of new puppets, covering almost the entire world... except for a few regions of Europe? Well, my...19.2k downloadsupdated 4 mo ago
• MMod Chaos [OLD VERSION]by fredwestATTENTION ! This is the old version of the mod, new version available here : Welcome to Chaos mod (title and idea inspired by Chaos Mod from GTA V) In this mod, a random event unique to the mod, among the 100, will trigger every 35 days! This event may be beneficial to you, or it could cause you...19.1k downloadsupdated 5 y ago
• [[ABSOLETE - INTEGRATION INTO MAIN MOD] Cold War Iron Curtain: A Kuomintang Expansionby In the BallsTHIS SUBMOD IS NO LONGER GETTING UPDATED SINCE IT'S CONTENT IS GETTING REDONE AND INTEGRATED INTO THE MAIN CWIC MOD This is a test build for a planned submod for the Iron Curtain mod which aims to expand the content for the Republic of China. As of now the features include: -Changes to the Chines...19.1k downloadsupdated 4 y ago
• MMac Khan Mongoliaby Macrov ᑯᐸᐃᒃThis is an alternate history Mongolia where the Khan dynasty stayed in power through the centuries although weakened to a simple vassal country of the Soviet Union. You are the Khan, destined for glory and with the will to follow through. This is your chance to revive the Mongol Empire and bring...19.1k downloadsupdated 8 y ago
• MMing and Qing(1.11.*)by 農民ONLY CHINESE VERSION Welcome to localization, no need to ask me for authorization 需要加载52汉化。 讨论群：210999797 背景简介：1644年北京城破，崇祯上吊，长平公主协郑芝龙在南京建立南明并生存下来，因为列强压力和明清双方实力不足，清始终未能消灭大明，大明也无力北伐，双方一直在秦岭淮河一线对峙并有局部冲突，这样的分裂一直持续到20世纪。 小说原作：大明1937 作者“我是猫” Mod原作：Ming and Qing China 关于工坊上目前明清的关系： 1、最初的作者是Manifest DK（...19.1k downloadsupdated 5 y ago
• IIn The Name Of The Tsar Reduxby 76561199102519503DELETE OLD VERSION OR ELSE IT WILL RUN VANILLA ( ) 1.15.X version Welcome to our mod! Our mod searches for a coders WARNING: this is an expansion mod, run only this mod without the original INOT Compatible with Gotterdamerung Original INOT: Original INOT discord: This mod brings the following -Ex...19.0k downloadsupdated 23 mo ago
• Ttno cheatby 76561198842900831Social dev cheat for TNO; Still WIP; event societal_development.1102 Poverty reduction event societal_development.1103 Poverty increased event societal_development.1104 Education level rise event societal_development.1105 Decline in education event societal_development.1106 The level of research...19.0k downloadsupdated 6 y ago
• GGame of Thrones Legacyby 76561198829648359Game of Thrones Legacy Introduction Welcome to Game of Thrones, a complete overhaul of Hearts of Iron IV, bringing the epic world of Westeros to life. Immerse yourself in the brutal politics, legendary battles, and complex alliances of the Seven Kingdoms. Dive into an experience where knights rid...19.0k downloadsupdated 9 d ago
• AAnother Worldby TamerlonМод Another World это мир, в котором история пошла по другому пути. В 1388 году на Землю обрушились метеорные потоки, и пыль затмила небеса на многие годы. Этот период прозвали Чёрной декадой. Крупные государства распадались, иные воспряли. Спустя шесть столетий мир разделён на технологически раз...18.9k downloadsupdated 22 mo ago
• KKaiserreich - Eastern Europe Reworkedby TehrozerHello Tehrozer here the lead dev behind this submod. Eastern Europe Reworked has been in works for many months by now being in better or worse shape at times but finally after all that time here it comes! But to those that have no idea what is this a small FAQ; What is this? A submod for Kaiserei...18.9k downloadsupdated 6 y ago
• AAGORA GREAT WAR RP [CLOSED]by CycrptDiscord Address : Yeni Özelikler Portekiz'e yeni focus tree İspanya'ya yeni focus tree (Geçici olarak kaldırıldı sonraki güncellemede yeniden yüklenecek) Arap isyanı mekaniği Büyütülmüş Air Wing kısmı Düzenlenmiş güç dengesi II.Abdulhamid focusu eklendi Hız optimizasyon sağlandı Yeni Özelikler Po...18.9k downloadsupdated 5 y ago
• TThe CSA 1.5 (legacy)by CharlieGMNew Version out Now, the new version is the one being updated. > The CSA MOD Version 1.5 - Waking the (Bobcat)! Compatible with 1.5.4! Changelog: -We updated to patch 1.5.4! -Huey's been democratized! Populism has finally been removed from the mod. -Further changes to the national focus tree and...18.8k downloadsupdated 8 y ago
• 浪浪潮中文版（Deluge CN.ver）by infiniti_K牧有汉化呕血制作，超大架空历史魔幻MOD 千载欧陆只一拿皇！在滑铁卢击败了英、普、奥、俄四国联军之后，法兰西无可争议地成为了欧洲的主宰，世界的中心。与此同时，雅各宾派们开始在世界各地传播大革命的思想，自由民主种子萌发生根，人们开始置疑先辈世世代代信奉的信条，遥远的东方在欧洲的影响下开始了缓慢地变革。随着一战的结束，二十年后的欧陆面临不是和平而是更加惨烈的战争阴云。法西斯、雅各宾、君主主义者、民主主义者，谁能在这场四方混战的惨烈搏杀中脱颖而出。新世纪的浪潮汹涌不可抵挡，大浪淘尽后，谁能主宰这世界的命运。 汉化人员：三等文官猹中堂、炎、康康、哲学♂大师、Immanuel Kant、元首的愤怒...18.8k downloadsupdated 10 y ago
• HHistorical Poland: Reduxby BartiniWARNING! This mod is in an early state of development currently, and will have unfinished work! Current version: 1.2.4.1, released 18/09/2026 Compatible with: 1.19.3.0 Supported languages: English, Polish Historical Poland: Redux is a mod which aims to overhaul Poland in the Hearts of Iron IV whi...18.7k downloadsupdated 8 d ago
• TThe Rising Sunby Chinese GodfatherOld World Blues - The Rising Sun When the bombs fell, the members of the yakuza syndicate's American branch were chased out of the West Coast's great metropolises, finding refuge only in the remote mountains of Nevada. Two centuries later, they still endure. With their leaders gearing for war and...18.6k downloadsupdated 4 mo ago
• KKX Georgia Expanded CNby LemonZhanger已适配官方中文 This is Chinese version for KX Georgia Expanded The English version link: 本mod是对格鲁吉亚极权线的拓展 现在朱加什维利同志不再只是窝在高加索那一块地了，你可以消灭白匪，建立苏联！ 无需加载原mod，请直接将本mod与KX汉化一起使用。 部分汉化文本来自KX官方汉化组，已获得授权18.6k downloadsupdated 3 y ago
• GGreece Improved IIby BasileusRexDon't Forget the Thumbs Up! Unless you didn't like it. If so, tell me why! Tell me what I can do to fix your gaming experience. I try to fix things as soon as I see the issue. Version 2.11.6 is out now! -Compatible with 1.9 update Version 2.11 is out now! I wouldn't call this a feature update at...18.6k downloadsupdated 7 y ago
• CCurse of Huitzilopochtli - Mexico Overhaulby Nahui OllinDISCLAIMER: ALL depictions, including the very real Mexican political cartoons and ESPECIALLY the Zoot Suit riots, do not represent my personal views, these events are a product of their time and real world quotes were used in their creation. Curse of Huitzilopochtli – Mexico Overhaul is a total...18.6k downloadsupdated 7 y ago
• MMing and Qing Chinaby Manifest DKEnglish translation LINK 本MOD灵感来源：网文《大明1937》，背景略有修改。 背景（省略版）： 17世纪： 1644年，北京城坡，崇祯皇帝上吊自杀，清军入关。 （小说中坤兴公主朱媺娖是穿越者）坤兴公主于城破前夕逃出北京，说服郑成功南下寻找郑芝龙。 后隆武帝登基为了笼络郑家将公主赐婚与郑成功。 在坤兴18.5k downloadsupdated 10 y ago
• NNew World Embersby 76561198699089815New World Embers is a total conversion for Hearts of Iron IV set in the European Continent of the Fallout Universe. There once was a time when Europe was whole. United in goals, purpose, ideals… a utopia built to move past the centuries of war and strife. A utopia that at the time seemed like it...18.5k downloadsupdated 2 mo ago
• AAge Of Discovery - 1500 0.2 (ALPHA)by Goodie JuiceDiscontinued! Hi, this is my take on mods on the renaissance, in this mod the question is asked "what if the holy roman empire united under one nation". Currently i haven't made too much progress on the mod, so currently it might not have as much as i want it too. I am also sorry for the inconvie...18.5k downloadsupdated 6 y ago
• ((Semi) Realistic Core Eventsby showithersCOMPATIBLE WITH ALL UPDATES AS WELL AS WITH FOCUS TREE, EVENT, STATE, AND RESEARCH MODS NOTE: Some Cores can only be gained by occupying or annexing the state in question, sometimes requiring other state(s) to be occupied or annexed as well. REGARDING THE MAPS: Generally speaking, the lighter the...18.5k downloadsupdated 9 y ago
• LLenin Livesby jagdtigerIn this alternate history, Lenin is alive and in good health, and in charge of the Union as a Triumphant Revolutionary. No vanilla officers or other named characters in the game will be purged, though you have to terminate the New Economic Policy (NEP) and its supporters instead. You WILL get a n...18.4k downloadsupdated 9 y ago
• FFinnica Fortitude: A Total Finland Reworkby Hauki ><>----DISCONTINUED SINCE AAT!---- All assets free to use for anyone to use for any purpose. Also updating the mod is allowed if someone wants to do it. Finnica Fortitude is a total rework of Finland. The mod is still in development, so any feedback is appreciated. And in the case you like the mod,...18.4k downloadsupdated 3 y ago
• OOWB Division Namelistsby quokkasThis mod adds custom namelists to "400-men-divisions" for Old World Blues. Here is the list of them. Everything in brackets is not shown in game. NCR. -NCR Infantry Company (Regular infantry) -NCR Reconnaissance Company (Non ranger recon unit) -NCR Ranger Company (Spec Ops) -NCR Light Infantry Co...18.3k downloadsupdated 9 y ago
• MMillennium Dawn: Chaos Modby 76561198802015017LIKE THE MOD IF YOU LIKED IT! IF YOU HAVE ANY IDEAS, YOU CAN SUGGEST THEM IN THE COMMENTS! What's this about This mod adds random chaotic events as a submod to the modern day mod known as Millennium Dawn. It was directly inspired by the original Chaos mod for vanilla HOI4 ( ). How much and what e...18.3k downloadsupdated 19 mo ago
• MmuvluvCNby 云津钰涵在MuvLuvJP基础上修改适配1.14的Muv-Luv模组，不需要订阅MuvLuvJP。 已适配官方中文，如果游戏中显示中英文混杂请在启动器中切换为中文。 模组背景： 自1973年BETA（与人类敌对的地球外起源生命Beings of the Extra Terrestrial origin which is Adversary of human race，缩写为BETA）巢穴降落地球以来，人类经历的只有一次又一次的失败。 1999年初，世界人口相比1973年下降一半以上，欧亚大陆几乎全部被BETA占领。欧洲各国和苏联政府退避到海外租界，世界各地溢满了庞大的难民集团，反攻遥遥无期……...18.3k downloadsupdated 10 mo ago
• MMillennium Dawn Submod: Japan Overhaulby n_mosimo*NOTE* Now you need to subscribe the new Millennium Dawn to use this submod. Please check the playlist in the Paradox Launcher. This mod changes Japan's national focus in Millennium Dawn into more historical (but more glitchy) things. About more than four years ago, I played Millennium Dawn (toda...18.3k downloadsupdated 4 y ago
• TTFR：中国胜利演讲音频by 76561199190577912mod内容 安装本mod，在建制派掌权前提下 1. 1）打赢台海战争、实现中国统一后 2）击败太约、打赢大亚洲战争后 各会播放一段建制派领导人庆祝战争胜利的讲话。 2.台海战争开始时播放新闻联播。 （AI合成） 3.每年新年前夕通过事件触发“新年贺词”，默认关闭。 4.为脱贫攻坚增加超事件。 5.通过“胜利语音控制台”决议组对讲话选择打开或关闭。 预计更新 -会用更好的音源把AI模型重新调教一遍，目前已全部重置。 -加入一些重要事件的讲话片段，例如中共成立一百周年大会、脱贫攻坚（已制作）。 -考虑是否为其他架空路线设计内容。 注意 -如果是新游戏开局，则正常游玩即可；如果是中途加入此mo...18.2k downloadsupdated 16 mo ago
• EEaW – Ghosts of Yoreby ElegioneerGhosts of Yore (GoY) is a narrative-driven submod for Equestria at War aimed at thorough improvement of underdeveloped nations of the world: expansive focus trees, frequent events, developing stories, and challenging gameplay opportunities await you. The current release 3.1.7.7 includes four rewo...18.2k downloadsupdated 7 d ago
• MMillennium Dawn 2025 Bordersby SaturnMillennium Dawn: 2025 Borders Submod An updated start date and world map reflecting the state of global politics and borders in 2025. This submod brings modern territorial changes to Millennium Dawn, with a new start date set in 2025. It includes more realistic borders and updated leaders for sev...18.1k downloadsupdated 11 mo ago
• RReichspakt+by 76561199134488300Join Our Discord! Do you feel sad when you look at Germany? Did you try expanding it's empire but then realize the puppets to form are awful? Well, here's the solution. Features Brand new imperial puppets for the entire world! Options to integrate former lands of the German Empire, and a bit more...18.0k downloadsupdated 15 d ago
• OOld World Blues - Bone Cohortby Iván28/09/2025 Version: 2.5.3a Happy Birthday to me Just bugfixes and getting back in shape. "Two brothers. That's what they were, from where did they come from? Why they were here? And most importantly... will they survive what is to come? The Oregon wont be the same..." "I do not care what you say,...18.0k downloadsupdated 13 mo ago
• CCall of Cthulhuby jeff.gomezUpdated to newest version18.0k downloadsupdated 3 y ago
• Nno resources for productionby ham officer♿line 473 that should say MAX_EQUIPMENT_RESOURCES_NEED and change it from 3 to 0. PRODUCTION_RESOURCE_LACK_PENALTY = 0.00,17.9k downloadsupdated 5 y ago
• ((WIP) World War Dinosaurby 76561198362644485NOW WORKS IN 1.9.*! Still EXTREMELY WIP. Join our discord here to get posted on updates and give your suggestions: discord.gg/zp67vek ****************************************************** Since this item is somehow getting popular again, I'll state here that this mod has not been in development...17.9k downloadsupdated 5 y ago
• UUkraine Focus Modby GandiDoorThis Mod is a complete do-up of Ukraine, Focusing mainly on Overhauling the Focus Tree and its Ideas. =======This is the repaired version======= Currently Contains: -Full Ukraine Focus Tree with Custom Icons and Ideas -Fully Integrated Event Chains for demanding and requesting territory, guarante...17.8k downloadsupdated 5 y ago

799 alternative history 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.