Mods / Gameplay

• SSimple Peace Dealsby 76561199213231818A simple mod that replaces the useless vanilla "feature" of conditional surrender with an actual functional button. FEATURES - A "Peace Out" Diplomatic option that works both ways, with barely any limitations (war duration can be disabled via rules, or by typing "debug" in the console). Allowing...71.0k downloadsupdated 1 mo ago
• EExtended Building Slot (56 Slot)by Hans KlueberSupport Version: 1.19.1.0 ✔️ This mod expend State's Maximum Building Slot from 24 to 56. Megalopolis: 12 -> 28 Metropolis: 10 -> 24 Large City: 8 - > 19 City: 6 - > 14 Large Town: 5 - > 12 Town: 4 - > 10 Rural: 2 - > 5 Pastoral: 1 - > 3 Small Island: 1 - > 370.9k downloadsupdated 4 mo ago
• BBetter Mechanics : Tactical Warfareby 76561199068700672Hello Everyone! This mod expands and refines the tactical aspects of Hearts of Iron IV by adding many new tactics (More than 45 !) and four additional combat stages (including city outskirts, urban warfare, secure city and seize fort). While urban warfare has been a significant focus, this overha...70.9k downloadsupdated 5 mo ago
• EEn Unión y Libertad+ | A Latin American Expansionby 76561198342774452THIS MOD IS INCOMPATIBLE WITH: ROAD TO 56, KAISERREICH, MILLENNIUM DAWN, AND ALL MAJOR OVERHAUL MODS THIS MOD IS COMPATIBLE WITH: ALL DLC NO DLC IS REQUIRED TO PLAY THIS MOD! Player Feedback Survey Current Mod Progress / Progreso Actual en el Mod / Progresso atual do Mod - Part 2 of Central Ameri...70.1k downloadsupdated 5 d ago
• NNapoleonic Worldby RazrCurrent game version supported: 1.10.* This is a revival of Napoleonic World | Redux by MrKmproductions and JVSkull. I decided to pick this mod back up where it was left with the desire to play a complete game as Napoléon's great Empire without crashing, and to conquer the world. After deciding t...69.9k downloadsupdated 5 y ago
• SShow Speed In Construction Viewby 76561198434736095标题很怪，但一时半会想不到别的 不兼容铁人 兼容KR 只显示单个建筑的建造加成，不算全局建造速度加成 别跟那些添加了建筑类型的mod一起用 推荐一个mod: Topbar Resources 再推荐一个 Coloured Interface Compact Ironman 自从有一次删了文档里的 Paradox Interactive 后，这mod我就再也没法更新了. Anyone can integrate it without asking me. Updated version here69.7k downloadsupdated 4 y ago
• TThe War to End All Warsby Eagle020>>>>>>>>>>>>>>>>>>>>Announcement<<<<<<<<<<<<<<<<<<<< !!!The development has stopped!!! Join our discord: ______________________________________________________________________________ Welcome to "The War to End All Wars" an total conversion for Hearts of iron 4. This is the offical sequel to "Ger...69.6k downloadsupdated 10 y ago
• OOWB - Across the Caribbeanby 76561199256130366OWB - Across the Caribbean 1.2 This is a Map Expansion submod of Old World Blues, expanded extra countries and contents for Caribbean Sea Region. CURRENT CONTENT: - New Caribbean Contents - 12 Caribbean Nations - More Formables - Extra Focus Contents for Chichen Itza and Cuba and More things in P...69.5k downloadsupdated 6 mo ago
• MMillennium Dawn:Great Rejuvenationby 76561198821485361The author is unable to continue updating the MOD. This MOD will be taken down and updates will be indefinitely suspended. Wishing you all to better build a socialist modernized motherland in the real world, and to use your feet to measure the great rivers and mountains. Goodbye.68.9k downloadsupdated 10 mo ago
• MMajors Tank Blueprintsby YounGBlueprints of tanks of the Major Countries Historically correct blueprints of world tank building. This is a small guide to recreate historically correct tank models using the tank designer. I hope you enjoy this small guide and it will immerse you in the game a little. Have fun ;-) This mod is n...68.9k downloadsupdated 9 mo ago
• MMore Variants (outdated)by 3ntf4k3dThis mod allows to create variants for the following equipment: - Infantry Equipment - Support Equipment - Artillery - Anti-Tank - Anti-Air - Rocket Artillery - Motorized Rocket Artillery - Motorized - Mechanized - Amtrac68.6k downloadsupdated 8 y ago
• DDevelop constructionby LeviKaiserreich (KR) compatible This mod can develop resources, such as political points and manpower, build factories, and change state category. At the same time, the above decisions can be carried out automatically.68.6k downloadsupdated 10 mo ago
• RREAL CASUALTIESby kovaHave you ever wondered what a REAL WAR OF ATTRITION is?With this mod you will plunge into harsh reality, where the life of every soldier counts, and the losses of people at the front are reflected in the rear. Each combat loss will be counted as the death of a resident of the region, which will m...68.5k downloadsupdated 3 y ago
• UUK Reworkby 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 STEAM WORKSHOP TOP PAGE AND 35K+ SUBS THANK YOU ALL! Play the Germany Rework! UPDATE...67.5k downloadsupdated 4 mo ago
• BBetter Mechanics : AI Designsby 76561199068700672Hello There! Have you ever wanted AI to design better planes, ships, and tanks? Do you always wonder why you just slaughtered up to 30 fighters a day, sank a 100 ships, and destroyed 2000 tanks? Do you finally want to suffer under played-designed aircraft or have some fun? If so, then this is the...67.5k downloadsupdated 4 mo ago
• EEnd of a New Beginning - Official Steam Versionby 76561198755821601Mod Version: 0.6 Ad Maiora Supported Game Version : 1.19.* (DLCs aren't necessary, but advised) Join our Discord! "What if Hearts of Iron IV Began in 1857?" The Victorian Era is in place, and the world is yours to shape. What is to come with the collapsing remnants of Indian sovereignty during th...66.7k downloadsupdated 26 d ago
• OOWB - Monarchs and Margaritasby 76561199060615672Monarchs and Margaritas Mod Version 1.5.4 Our next update releases 11/29/2026 Rest like royalty and sip as the ocean never rests Monarchs and Margaritas is a submod for Old World Blues, East Coast Rebirth, Rustbelt Rising and Fountain of Dreams that adds the entire American Deep South, stretching...66.6k downloadsupdated 4 mo ago
• 22x faster national focusby arcaFor people that only wanted faster finishing of national focuses for 2x faster research and national focus. - Decreases time to finish National Focus from 7 to 3.5 (35 days instead 70) Global version, should work with most mods66.4k downloadsupdated 3 y ago
• KKaiserreich：LKMT 内容拓展by 枫免责声明： 本MOD为历史架空MOD，一切剧情皆在KR现有的既定设定框架下进行小幅度修改后展开，一切游戏路线皆为虚拟架空，不要延申到现实历史！本组全部成员坚定跟党走、拥护中国人民解放军、热爱社会主义祖国！ ———— KR:LKMT拓展制作委员会 ———— ———— ———— ———— ———— ———— ———— MOD特色： 本mod主要针对原版KR的LKMT进行大量拓展，新增事件近500个，包括但不限于独立的毛线、周线、联合政府线、101线、戴春风线、训政联合国策树、双核心圈系统以及全新抗日国策及其玩法、第二次上海起义等内容，全面丰富了LKMT的游戏性和剧情。 注意： 本MOD仅支持...66.1k downloadsupdated 5 d ago
• UUnlimited Dockyards "PER_LINE"by AeneasXII made this mod because of a request. To put it in his own words: "Remember when in the past you could assign 15 dockyards to any type of ship? I liked that! You could actually design your naval composition the way you wanted and minors could also build real navies... Now its just all about scree...66.0k downloadsupdated 6 y ago
• 黄黄粱一梦:帝国回响(Echoes of the Reich)(德国扩展模组)by 76561198978030163钢铁雄心4MOD 德国国策扩展:黄粱一梦 当未来成为记忆， 历史就不再安全。 上一次，帝国折戟于苏联的冬天。 这一次，冬天将为帝国而战。 黄粱一梦:帝国回响——当独裁者窥见末日 1936年的寒冬，阿道夫·希特勒从书桌前猛然惊醒。 冷汗浸透了绣着鹰徽的制服。 在刚刚结束的十二小时昏睡之中， 他被迫以“失败者”的身份，亲身经历了整场第二次世界大战。 国会大厦的烈焰 柏林地堡中的氰化物 纽伦堡法庭的绞刑架 那些本不该出现的未来画面， 此刻却如同毒蛇般啃噬着第三帝国元首的神经。 上一次，德国折戟于苏联的冬天。 但是这一次呢？ 当一个独裁者提前看见自己的末日—— 历史，还会按照原本的轨迹前进吗？...65.9k downloadsupdated 7 d ago
• BBetter Mechanics : Officer Corpsby 76561199068700672Have you ever wished to have more flexibility in designing your fighting force? Do you think vanilla officer corps spirits are good, but there aren't enough? Do you want more nice icons and spirits to make your officer corps screen less empty? If so, then this mod is for you, my friend. This mod...65.6k downloadsupdated 3 mo ago
• AAutumn Begonia: Under the Auspicious Cloudby migseyBETA 0.2 HAS RELEASED NOT NO COMPROMISE NO SURRENDER DLC COMPATIBLE Autumn Begonia: Under the Auspicious Cloud is a historical mod for Hearts of Iron 4, set in the turbulent years of the Chinese Warlord Era, that follows the conniving warlords and scheming revolutionaries who etched their names i...65.2k downloadsupdated 2 mo ago
• HHearts of Azeroth (A Warcraft Total Overhaul) OLD/Outdatedby ZoltarianTHIS MOD WON'T BE UPDATED CHECK OUT INSTEAD THE NEW MOD WITH NEW AND UPDATED CONTENT HERE : Hearts of Azeroth is a total overhaul project to bring the Warcraft universe into Hears of Iron IV. Focusing on the stories of the original games fight as either a member of the Orcish Horde, Alliance of L...64.9k downloadsupdated 17 mo ago
• 冷冷战：东西对抗MOD - 简体中文by David WouMOD目前处于1961至1964内容的测试期间，欢迎试玩！ 现在，召唤我们的号角再次吹响——不是号召我们拿起武器，尽管我们需要武器；不是号召我们去战斗，尽管我们正在战斗，而是号召我们在这一长期的晨昏对峙中承担起责任，年复一年，“欢欣希望，忍耐磨难”，去一起对抗人类共同的敌人：暴政，贫穷，疾病和战争。 ---约翰·菲茨杰拉德·肯尼迪 MOD已更新至最新版本可用游玩！ 模组简介 1947年，第二次世界大战的硝烟逐渐散去，曾经并肩作战的盟友走向对立。美国与苏联分别以资本主义和社会主义为旗帜，建立起各自的政治、经济与军事阵营。一场没有全面爆发的世界大战，却在此后的数十年间深刻改变了全球格局。从柏...64.6k downloadsupdated 21 d ago
• AAuto medalby NTYM_nagisa注意到新版本中新增了一个免费获得勋章的陆军精神，所以有了这个mod。 启用这个mod后在开始游戏时会自动获得一个自动授勋率+100%的隐藏民族精神，现在你不花费一点PP就可以拿到成吨的勋章。 增加了自动授勋的勋章数上限到9961。 不适用于AI。64.5k downloadsupdated 11 mo ago
• LLVN: La Vittoria è Nostra!by justtxyankLVN: La Vittoria è Nostra! Welcome to LVN, a full scale rework of Italy! Featuring: -All Vanilla style graphics including dozens of new generals, advisors and country leaders -More than 18 potential leaders for Italy -Multiple alt-history paths, including at least one for each ideology -Three uni...64.5k downloadsupdated 5 y ago
• BBetter Mechanics : The Agencyby 76561199068700672WIP note: Most Foreign Asset actions are playable, but naval air capacity reports, revealing the main naval base, and revealing the main airbase may still be rough when showing exact locations. The agency tree, operations, assets, resistance work, AI behavior, traits, and balance changes are inte...64.5k downloadsupdated 5 mo ago
• AAllied Construction Projectsby KondiCompatible with 1.12 This mod allows you to construct state level buildings on an allied country's territory. This costs political power and is slower than constructing buildings normally. You use it by requesting requesting a construction permission from the target country and then selecting one...63.7k downloadsupdated 4 y ago
• BBetter Air Wing Deploymentby Burch1.19.+ - Ready! Changes the Air Wing Deployment window to be taller and wider, while also adding a second row to the reserves grid. It is Achievement and Ironman ready. Links to My Mods: My Favorite Theater Icons My Favorite Navy Icons My Favorite Navy Icons IM My Favorite Theater Icons IM Navy I...63.6k downloadsupdated 3 mo ago
• MModifierGUI CN简体汉化包by 76561198975660512已支持最新版本 一个简单好用的内置修改器现已完成汉化翻译！ 因本人长时间没有玩钢丝，部分内容翻译可能理解有误（例如一些XXX factor 实在无法理解，希望老哥在评论区指出或等本人有空玩游戏研究了），希望老哥们积极指出 如果喜欢的话请给予点赞/收藏/好评！谢谢支持！ 首先感谢原作者 Mr Duck 的优秀作品 At first,thanks to the original author Mr Duck for his excellent work >>>>>>>>用前必看<<<<<<<< 1.订阅52汉化包(否则可能会乱码）和 ModifierGUI 2.启动器中同时勾选这三个mod（...63.3k downloadsupdated 4 y ago
• OOWB Tech Expansionby Silverfishv9If there's one thing fallout has a lot of, its technologies, and the same can be said for the OWB Mod. But what if it had more? This mod will focus on adding new technologies, some to extend existing trees, and perhaps some to open new playstyles or unusual focuses. Includes over 200 new technolo...62.7k downloadsupdated 7 mo ago
• HHagakure - The East Asia Expansion 1.17by 76561198336829773WORK IN PROGRESS!!! Discord: If you want to support our work and help finance this Mod by helping us comission GFX related stuff such as Portraits and Focus Icons you can Donate here! This mod features a very detailed Japanese Focus Tree with lots of leaders to choose from! The new Japanese Focus...62.4k downloadsupdated 8 mo ago
• EEU4 Style Monumentsby LimonenZitroneInformation This mod brings the, slightly changed, monuments mechanic from Europa Universalis IV to Hearts of Iron IV. Features Currently the mod adds 194 monuments in total. A list of all monuments can be found here. Monuments are special things in states that can give bonuses to the state as we...62.3k downloadsupdated 4 mo ago
• LLeague of Nationsby LimonenZitroneFeatures By default the League of Nations is created when starting a new game with the historical correct member states, but there is a custom rule that you can select before starting the game to disable the League of Nations at the start. In that case, a decision to form it will be available. Wi...61.7k downloadsupdated 5 mo ago
• RReleasable Statesby RisingSunTHIS BUILD HAS BEEN DISCONTINUED! FOR THE OFFICIAL SUCCESSOR TO THIS MOD GO TO: New Alpha 0.1.3 Ohio Patch ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ WE'RE BACK BABY!!!! Have you ever wanted to balkanize the HELL out of europe? Have you ever wanted to divide up yo...61.5k downloadsupdated 6 y ago
• BBetter Mechanics: Frontline AIby Dripped Out GokuAS OF 2020: I CANNOT UPDATE THIS MOD. ANYONE WILLING TO FORK IT, MY GITHUB IS I'm sorry, but things happen, life happens. I'm only human. Not Ironman Compatible Current Mod Version: 1.3 Compatible with Hoi4 Version(s): 1.4.* Presentation Using Better Mechanics: Frontline AI, you can finally go up...60.7k downloadsupdated 9 y ago
• TToolpakt: Toolpack for TNOby 76561198829888424The Toolpakt is the restoration of the Toolpack mod, to be used for The New Order mod. It allows you to fix the map, politics of your countries and their status in the world, as you please. Features -State Managing Tool: Transfer states between countries as you like Re-/demilitarize states Move t...60.7k downloadsupdated 4 y ago
• UUniversal Colored Puppetsby 76561199176184415PRESENTATİON Universal Colored Puppets is a mod that aims to increase the clarity of the map and add fun to the game by changing the colors of the puppets to a color appropriate to their control states. CONFIRMED COMPATIBLES • Kaiserreich/kaiserredux • US States • The Great War (Redux) • Beautifu...60.3k downloadsupdated 19 mo ago
• [[Abandoned[Maximum Building Slotsby 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 This mod makes it so a event triggers at the beginning of your game that allows you to add a buff to yourself, everyone, or no one that makes it so that...59.9k downloadsupdated 4 y ago
• 政政治内阁，意识形态，军队建设，法案内容扩展by 76561198402515841本MOD仅仅是【苏联-最美好的前途（Прекрасноедалеко）】【美国-向统帅致敬（Hail to the Chie）】【德国-诸神的黄昏（gotterdammerung）】【英国-统治吧不列颠尼亚（Rule, Britannia）】下的共用附属MOD，不考虑以外的其他MOD兼容性，同时也不会做出平衡性调整，特此声明。 修改了政府界面里的所有槽位 政治内阁上限数量增加为十二个 陆海空部长上限数量增加为四个 理论家上限数量增加为八个 工厂制造商上限数量增加为十二个 增加四个子意识形态槽位 增加四个劳动法案槽位 增加一个科研成本槽位 增加了更多的三军精神槽位 将指挥点数和三军经验上线...59.8k downloadsupdated 5 mo ago
• NNo Experience Limitsby justcheat67This mod removes all experience limits for army, navy and air. Check out my other mod! Better States: Check out my other mod! No Command Power Limit: 2020 Copyright justcheat6759.3k downloadsupdated 6 y ago
• DDestroy Faction With Membersby Valentin VodnikParadox paradoxically does not let you betray faction members after a war as a faction leader, something Germany IRL was very worried about with Japan and Italy for example. This mod lets you LEAVE or DISMANTLE a faction for 25PP or 300PP respectively as long as you are at peace. The new faction...59.2k downloadsupdated 9 y ago
• IIncreased Non Core Manpowerby Ian Douglas SmithWe have finally returned! 5 Years later and it is back. -UPDATED TO 1.16.* -- If it still says it is outdated, please unsubscribe and resubscribe to download it fresh. Simple mod which changes the base non-core manpower value from 2% to 30%59.2k downloadsupdated 12 mo ago
• LLarge Combat Viewby 76561198354348561About This is a simple mod that expands the games combat view. Changes -Doubles the amount of viewable committed divisions (8 from 4) -Greatly expands the viewable length of division names. (2 rows) -Expands the amount of viewable division modifiers, (Icons below the division name.) -Expands the...59.1k downloadsupdated 5 mo ago
• CCeasefire Mechanicsby hénriCeasefire Mechanics Adds ceasefire diplomacy to Hearts of Iron IV. Propose ceasefires mid-war, break them when it suits you, and let the AI do the same. Features Propose a ceasefire to any country you're at war with Break an active ceasefire and resume hostilities Faction-aware — when a faction l...59.0k downloadsupdated 8 mo ago
• 原原神音乐与图片 | Genshin Music and Pictureby 76561199135196133Genshin Impact Music and Picture 原神音乐与图片模组 模组介绍：本模组内含800张加载图片与上千首原神音乐，包含专辑：《白露澈明之泉》，《智妙明论之林》，《千岩旷望》，《寂远无妄之国》，《皎月云间之梦》，《风与牧歌之城》，《风与异乡人》，《闪耀的群星》，《漩涡、落星与冰山》，《珍珠之歌》，《佚落迁忘之岛》，《啁哳流变之砂》，《万流始源之海》，《沉玉沐芳》，《金律永谐》，《炽炎交逐之原》，《遥古喁望之阳》。小提示：本模组适配于任何钢铁雄心4本体与其他的大多数模组，比如KX、TNO、Millennium Dawn、The Road to 56等等。使用本模组时...58.3k downloadsupdated 22 mo ago
• NNo End Dateby |EV| LorganSimple change to the defines, done via injecting code not replacing the file. End date prompt set to 01.01.9999 so there should be time for everything. Nothing more is added or changed so you will very much run out of things to research and focus on.58.3k 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.