Hearts of Iron IV mods
Hearts of Iron IV alternative history mods
Everything filed under alternative history by its own author, ordered by how much it is used.
799 alternative history mods, most downloaded first · newest update 31 Oct 2026
AllGameplay1.2kAlternative History799Graphics759National Focuses678Events649Historical588Balance555Map534Military491Fixes467Utilities388Technologies357Translation292Sound269Ideologies225Music10submod5Alternate History5
799 alternative history mods
- Millenium Dawn Spain Focus Treeby Gabriel Florian FéraudFocus Tree of Spain for Millenium Dawn (Compatible Version) (HoI4 v.1.5.4) - Many Focus, specific Tree for Spain. - Various ideological options (Fascism, Monarchy, Carlism, Democracy (Bipartisanship and Populism or Liberalism), Democratic Republic and Communism). - English version. - Many Events...27.7k downloadsupdated 8 y ago
- [Deprecated] On the Clouds of Heaven - Rise of the Vaticanby 76561198346770074IMPORTANT: This version of the mod has become outdated. For a revived version, go to this page. As Europe teeters on the brink of war, the Vatican suffers its own unique and mysterious crisis. Pope Pius XI has begun hearing voices, only whispers at first, but they grow with each passing night. He...27.4k downloadsupdated 4 y ago
- The Balkan Wars: The Siege of Sarajevoby КрѣйнѫТочкѫThis is an early beta, not an official release. MOD IS FOR VERSION 1.10 If you have any problems such as your game crashing please join the discord and message me instead of commenting - (This isn't a discord specific to the mod, just ask about it and I will answer) The Balkan Wars 1912-1913 The...27.4k downloadsupdated 5 y ago
- AnimeCountry [Discontinued]by RainlineDevelopment of the mod is discontinued. Redux by VirtuoZZ - Our discord server (I am here) -27.1k downloadsupdated 7 y ago
- Germany Deluxeby 76561199136209842STATUS: Supported No more content is currently being added, but will be updated to work with future DLCs. THIS MOD CURRENTLY SUPPORTS: 1.19.x / THUNDER AT OUR GATES PLEASE CHECK THE FAQ BEFORE ASKING IN COMMENTS 10K SUBS THANK YOU ALL! STEAM WORKSHOP TOP PAGE THANK YOU ALL! UPDATE VERSION: 1.1.1...27.1k downloadsupdated 4 mo ago
- All Unit Types Allowedby Goth_RungEver wanted to have the most cursed army ever? Well now you can because this mod allows you to recruit all the special unit types as any nation.27.0k downloadsupdated 4 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
- 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
- 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
- Call of Saulby 76561198408057488Hi, I'm Saul Goodman. Did you know that you have rights? The Constitution says you do. And so do I! I believe that until proven guilty, every man, woman, and child in this country is innocent. :) Adds a large new path for the USA focus tree, nearly 40 events, 6 advisors, and Saul Goodman/James Mc...26.8k downloadsupdated 3 y 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
- 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
- Releasable RP Statesby M o n n e tThis is my first big mod and I’ve learned A LOT working on it. Originally this mod started off as just something personal so I could create my own scenarios but it then evolved into a big thing and none of this would be possible if it weren’t for the HOI4 modding community that has allowed me to...26.8k downloadsupdated 10 mo 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
- Mr Incredible became World Tensionby ♥i always wanted it ironman compatible26.5k downloadsupdated 5 y ago
- A Roman Worldby 76561199000070909Current Version: Release 2.0.8 "Brave New World" Hearts of Iron 4 Version: 1.17* A ROMAN WORLD IS NOW FULLY COMPATIBLE WITH THE NCNS DLC! Note: You do not require DLCs to play this mod! However, units may be missing if they aren't installed! "What if Rome never fell? "What if Belisarius had resto...26.1k downloadsupdated 9 mo ago
- In The Name of The Tsar CNby fight fowThis is a Chinese translated version of alex's great mod of "In The Name of The Tsar". Non-Chinese players please visit to get the English Version. 这个mod由INOT Team团队制作,谢谢INOT团队!26.0k downloadsupdated 5 y 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
- Old World Blues: Burning Rubber, A Faithful and Salted Expansionby Kiltwearer4Note, This mod is an expansion of the Mod, The Faithful and the Salted, So IT WILL HAVE A SLOW LOADING TIME. PLEASE Be Patient with it. And You will NEED IT! The 80's, Hell Raising, Hard living, motorized Nation of raiders who Live fast in the loose on the open. Originally from Sac-city, they wer...26.0k downloadsupdated 19 d 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
- Alpine: Road to 56 Flagsby XanderWalrusUPDATED FOR "THUNDER AT OUR GATES" (1.19+) ALPINE: ROAD TO 56 FLAGS (THE HISTORICALLY ACCURATE FLAGS OVERHAUL) // VANNILA FLAGS // For Vanilla and other mods use Alpine: Flags: // OVERVIEW // Alpine Flags is a complete overhaul to all HOI4's Vanilla and DLC flags aiming to be the of the highest s...25.5k downloadsupdated 4 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
- 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
- Totaler Krieg 2030 - WW2by DexertDear Fans of Totaler Krieg. Totaler Krieg lives on in Rise of Nations. New mod is linked below25.3k downloadsupdated 7 y ago
- Old World Blues: Shattered Wastelandby magnum2016----------------------------------------------------------------------------------------------------------------------------25.2k downloadsupdated 7 y ago
- OWB: BATTLEGROUNDS - Stars of Regretby octaCurrent Major Update:08/23/2023 - Stars of Regret latest Stars of Regret update: #2 08/26/2023 It's funny how things change? Where the paths take us, it is unknown. But the more things change, the more they stay the same. As i've grown and found new friends and hobbies. Somehow i always wind up b...25.0k downloadsupdated 3 y ago
- ww1bordersby Father Daveww1 borders in hoi4 now updated to 1.19.2.025.0k downloadsupdated 3 mo ago
- 1933by 7656119844460626725.0k downloadsupdated 5 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
- 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
- Hearts of Iron: 1984 Reduxby BirdBoyNuclear warfare has ravaged much of the world, and from the ashes came the new world order. The three remaining super-states vie for global domination: Oceania, Eurasia, and Eastasia, and between them lies the Disputed Zone. An armistice has been declared, but on January 1st, 1984, the truce shal...24.8k downloadsupdated 6 y ago
- Equestria at War Super Events CNby 76561198401427794这里是Equestria at War (马国戡乱史) 超事件模组的汉化版。请确保您在订阅本模组前订阅EAW的汉化模组。不必订阅EAW超事件的英文本体。 文本已经更新并适配2025年愚人节。24.8k downloadsupdated 12 mo ago
- Death zombie crisisby 76561198383101676本MOD从题目就看得出主题是丧尸了,在亚马逊的大森林里,因为神奇的原因,爆发了丧尸危机,那么南美是首要的遭殃对象啦呀。然而南美真的能满足丧尸吗?不可能,他们会蔓延全世界!这是mod的主要背景。 mod目前情况:目前是我肝出来的初版,丧尸的强度以及丧尸侵略的方向都有制作,并且为了防止丧尸加入人类阵营的不合理,也是对丧尸进行了设置,添加了海量的事件,丰富了丧尸入侵,也时刻的在提醒人类做好准备。丧尸的科技只有步枪以及运输车运输机,这是P社设定的主要科技。同时为了防止丧尸开高科技,开坦克,也限制了丧尸的军队只有步兵。丧尸会一直没有科研曹的。所以也可能会导致丧尸弱的问题,不过在日后的将来,我将做丧...24.7k downloadsupdated 6 y ago
- Balkan Powder Keg: Yugoslavia Nations Expansionby Anime ПутинBalkan Powder Keg is a new user created expansion for Hearts of Iron IV. It expands upon the existing nations that were releasable under Yugoslavia and adds in new nations such as Bosnia, Slovenia, Dalmatia, Vojvodina and Vardar Macedonia. This expansion is not meant to be historical, it does app...24.7k downloadsupdated 3 y ago
- Country Unions Reuploadby stefffffPlease rate and comment Hello and guten Tag to my Reupload of my Country Unions Mod. u just need to be allied to the country, then you can trigger the decision and unify. you get all of their cores and armies. Italian-Spanish Union Italian-American Union Greek-Turkish Union Italian-Greek Spanish-...24.7k downloadsupdated 3 y ago
- Old World Blues: Arroyo Focusby Aquila_21Presenting a submod for Arroyo in Old World Blues. This mod requires Old World Blues to function which can be found here Step back into the shoes of the chosen one and lead Arroyo into the future of the wasteland. Featuring a fully fleshed out tree for Arroyo with different options and events tha...24.7k downloadsupdated 6 y ago
- The Fire Rises: Ukraine Expansionby LooseUkraine Submod for The Fire Rises since January 2020 Immerse yourself in the modern history of Ukraine and take control of the country’s fate in this submod for The Fire Rises. Starting from January 2020, you will manage the country during one of the most challenging periods in its history. About...24.7k downloadsupdated 13 mo ago
- Historical Turkey Mod v1.6.1by 76561198352885744#Explanation "Hello! This mod specifically focuses on Turkey, which tried to remain neutral towards the end of the war. I have been developing this mod for many years." ---TARTIŞMALAR BÖLÜMÜNDEKİ ŞEKİLDE BENİ DESTEKLEYEBİLİR VE CÜZÎ BAĞIŞLAR YAPABİLİRSİNİZ-- #İçerik -Hem tarihi hem utopik odaklar...24.6k downloadsupdated 6 y ago
- Germany focus tree ultimateby 76561199025356501Google translation English version !! Korean version !! by 엄마찾는아이 日本語化modであるJapanese Language modが必須です このmodはドイツをバニラよりもさらに楽しく遊ぶために巨大な国家方針(NF)に一新し多数の追加要素を加えたmodです 今後も修正など継続していきます 他のmodとの互換性はドイツは残念ながら(キャラクターをいじる為)ないですがそれ以外の中小modとの互換性は一応あります が完全な保障はできません(主が投稿しているmodとは全て互換性があります) おそらくプレイされた方がはやいですが簡潔...24.6k downloadsupdated 5 y ago
- Lennards Competitive 1vs1by Lennard1vs1/2vs2 mod ai on soviet/germany crashes the game dont play it in singleplayer sweden is spectator and can see everything lots of settings Define your own win condition ( taking Capital/less than x divs) play 2 or 3 speed depending on your skill level using the presets or your own settings batt...24.6k downloadsupdated 6 y ago
- Peace Deals For Millennium Dawnby Goth_RungThis is a Millennium Dawn compatible version of "Peace Deals" I did not make this mod. To ensure this mod works, load it with 'Millennium Dawn Modern Day Mod' (the new version not the classic one) and do not load the original version of 'Peace Deals'24.6k downloadsupdated 4 y ago
- Bad AIby jaRoliffHave you ever just wanted even worse AI than what the game already has? Well here you go. (this mod is awful, install to delete your dignity) Tips: Works best with historical AI off Don't play as a major as it is fun to see what their AI will do. Compatibility: Will work with any other mod as lon...24.5k downloadsupdated 9 y ago
- 日月不落(移植适配版)by 765611992491573571.10日月不落mod的移植版,修复了一定bug,进行了一些修改,基本上没有问题了(可以加qq群462824412讨论这个mod,1群如实在进不去,可以加2群331777880) 嗯,大体的历史观,就是明蒙古和清在1936存在并相互作战的过程。 ps*n:大元ai很拉的,加强国策都是给玩家使用。大明的一部分决议也是仅玩家使用。 游戏需要唤醒猛虎dlc,如果没有的话不要开3D兵模。建议有炮手就位(海军模块设计dlc),修改了海军。 现在已经可以用官方中文了。 现在添加了日本,蒙古,清的历史ai走向。 大清bug已经修复一部分,但是将领比较少。 大明,大元,日本都能玩,现在大清也能试试了。...24.4k downloadsupdated 5 mo 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.

