Mods / Gameplay

• CCivilian Industrial Complexby IyeAre you sad that you cannot use a Military Industrial Organization (MIO) to research Indsturial or engineering technologies? Fear not, rescure is here! Features Adds a "Civilian Industrial Complex": Functions as a Research Company for: Industrial Research Engineering Research Electronics Research...22.8k downloadsupdated 8 d ago
• MMajor Battlecruiser Modelsby Hunor125Updated to game version v1.19.0.0 Adds the major battleship models as battlecruiser models to the major countries The impacted countries: - England, USA, Germany, Italy, France, Soviet, Japan These models can be selected in the ship designer from the "Man the Guns" Expansion =====================...22.8k downloadsupdated 5 mo ago
• OOld Europe 1300 Reworkedby 76561199161631017This mod is a modification and update of the notorious Old Europe 1300. (1.10.8) The mod tells about the events of the beginning of the XIV century. The struggle for power in the Holy Roman Empire, the Northern Margraviate War, the expansion of the Ottoman Empire, the struggle for the Bohemian in...22.7k downloadsupdated 2 y ago
• 收收回核心领土by 76561198362909614为了小块破岛与整个世界开战？这河里吗？来看看这个MOD吧 1.打开决议界面后，被别人控制的你的核心领土上面会出现一个小按钮，在地图上点击后即可与该地控制国交涉，收回领土。 2.如果与对方为同一政体或是同一阵营则会同意、如果不是且兵力弱于对面则会被拒绝。 拒绝后可以进入下一阶段，用和平的方式收回土地。 3.可以在决议里控制AI是否可以提出收复核心领土的要求（默认拒绝）。22.7k downloadsupdated 5 y ago
• AA Purpose For Opinionby thefencechildThis is a mod that gives more of a purpose to a countries opinion of you Here is a list of the changes 1. countries with a high opinion of you will be more likely to support you or ally with you 2. countries with a low opinion will be less likely to support you 3. countries with with a very low o...22.6k downloadsupdated 12 mo ago
• TThousand Week Reich : A New Europeby 76561198836498373----TWR Submod: A New Europe---- TWR: A New Europe aims to provide more fleshed out and interesting content for European countries and post TA-Intervention Content. Currently the mod offers new content for the German Confederal Union, expanded content for the French State and a complete rework of...22.6k downloadsupdated 4 y ago
• EExpanded Resources: RT56 Editionby KMWelcome to Expanded Resources! COMPATIBLE WITH RT56 Please use this version without enabling the base Expanded Resources. This mod changes the focus of the war from a war about divisions and manpower, to a war about the fight for resources - and the motivation behind some actions taken during WWI...22.6k downloadsupdated 4 y ago
• WWorld War Bruh (WWB)by LoweeeeeWorld War Bruh, created by Cho King. Multiplayer Overhaul mod made for the bokoen1 community Do not expect the mod to function properly in singleplayer, the ai is gutted as this is a multiplayer only mod. Credits: Machotacoman, Colonial Rebel and the rest of the blackice team: Focus, idea and equ...22.6k downloadsupdated 5 y ago
• VVanilla Formable Nations Patch - OBSOLETE (merged with another mod)by CSRZFull update for 1.16 _______ Unofficial patch for formable nations introduced with Waking the Tiger, La Resistance and Battle for the Bosporus. Should be compatible with the majority of other mods, as it only includes events and decisions. _______ WARNING ABOUT COMPATIBILITY ISSUES - this mod: -...22.5k downloadsupdated 16 mo ago
• DDISCONTINUED 😭 Road to 56: Expanded&Enhanced (Discontinued CHECK DESCRIPTION)by Bolshevik RemoverNEW MOD HERE NEW RT56 version here: The Road to 56: Expanded & Enhanced The mod is getting a total remake from scratch. You can check discord for more updates "Trial of Allegiance" ready! The Road to 56: Expanded & Enhanced is the ultimate mod for the Hearts of Iron IV game, taking the already po...22.4k downloadsupdated 2 y ago
• CCold War Iron Curtain: More Custom Pathsby AfrandezThis mod is developed for purposes of adding more paths AI can take, to create interesting scenarios under player directive. Currently, this mod has 1950s and 1960s content; and any extension for paths are under consideration22.4k downloadsupdated 3 y ago
• UUltimatums - unmaintainedby 76561198811753508This version is currently unmaintained. An updated version has been created by Farkas122 and can be found at:22.3k downloadsupdated 4 y ago
• CChina Focus Reworkby HolyPitChina National Focus Rework A complete new focus tree for vanilla China, and a heavily rework for "Waking the Tiger". All DLC compatible. Current version: 1.0 (Testing needed, please report any bug or imbalance, thanks!) This mod gives you more choices where you can lead the Nationalist China to,...22.3k downloadsupdated 6 y ago
• TTic-Tac-Toeby Yard1Had some fun with Scripted GUIs. Fully functional singleplayer Tic-Tac-Toe game with an AI opponent (original Python code by Al Sweigart). To play, click the added button near the time speed control. Should be compatible with any mod, as no files are overwritten. Due to how random number generati...22.3k downloadsupdated 6 y ago
• BBlackICE Expandedby Without ReasonWelcome to Black Ice Expanded Version 2.2 - France Expanded This version is compatible with Hoi4 v1.10.4 BlackICE Expanded is now RELEASED on the BlackICE Test Version! After months of work, the French and UK focus trees have been re-released on the BlackICE test version! These trees have been re...22.3k downloadsupdated 6 y ago
• FFeedBackGaming Late-game Tension Suggestionby 76561199184786690Implements FeedBackGaming's suggestion that countries that create a lot of world tension (e.g. the German Reich) should also have that tension erased on defeat. For simplicity's sake, this mod removes a scaling amount of world tension for each country that is capitulated, lost, and taken into a p...22.2k downloadsupdated 5 y ago
• NNuclear Deterrenceby 76561198988821277A mod that adds nuclear deterrence mechanics to Hearts of Iron 4! When a country acquires nuclear weapons, it can announce it or hide it. If the presence of nuclear weapons is revealed, the country receives the national spirit "Nuclear State", which gives some useful buffs. If a country decides t...22.2k downloadsupdated 10 mo ago
• WWorld War Zby Мамут РахалEven though there are already similar zombie apocalypse mods out there, I wanted to try and implement my own vision for this concept. My goal is to make the mod as vanilla-friendly as possible, meaning it is highly compatible with other mods, including major overhaul ones. The mod allows you to c...22.2k downloadsupdated 2 mo ago
• EExtended & Streamlined Production (OUTDATED)by SeppiyaAs of update 1.5.0 the production system in HoI4 has been significantly changed. This version of the mod is backwards-compatible with previous HoI4 updates. New version here:22.2k downloadsupdated 9 y ago
• [[Abandoned]++Easybuff - OWBby 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 Requires the original Easybuff mod to be active. This edits a few of the files in the original Easybuff mod to have it work for Old War Blue's factions,...22.2k downloadsupdated 2 y ago
• TTFR: The Age of False Patriotismby 76561199026308225▷ UPDATE 1.1 IN DEVELOPMENT... ▷ Current TFR version: Release 1.0.9.1c "Brussels Effect" ▷ Current TAFP version: Release 1.0.1.11f "Izgub Red Army Edition" ▷ Hearts of Iron 4 Version: 1.19.* ! Incompatible with The Fire Rises: The Flavour Expansion ...and and probably with most submods ! --- Lose...22.1k downloadsupdated 4 mo ago
• TThe New Order: Cheat Mod++by Horatio WellingtonNEW! 2.0 (adds TT compatibility, brazil cheats, rewrite of sloppy code, and bug fixes) The New Order Cheat Mod++ is a revamp of a previous mod that I created. Featuring a new custom TNO style GUI along with a multitude of bug fixes. Cheats include: GDP and other ECON cheats Societal Development C...22.1k downloadsupdated 5 y ago
• NNovum Vexillum : New Countries and Ideasby Narita MedicianaRequired Mods: - Novum Vexillum - Global Conflict August 2025 Update: - Add new state Patriotic Union of Kurdistan & Islamic Emirate of Kurdistan - Fix Global Conflict country tags = Features = Added New Countries and Separatist Movements: - Darfur - Lunda - Allied Democratic Forces - many more.....22.1k downloadsupdated 11 mo ago
• MMore Releasable Nationsby MichMineDino4Have you ever wanted to balkanise an enemy that was not in the balkans, create a buffer zone between you and a foreign power or just make the map a colourful eyesore? If any of those are true, this mod will allow you to do it! It adds a lot of new releasable nations and states, that you can use f...22.1k downloadsupdated 4 mo ago
• MMillennium Dawn: Expanded American Ideology Treeby AnthraxExpanded American Ideology Tree for Millennium Dawn THIS SUBMOD REQUIRES MILLENNIUM DAWN CLASSIC This is a submod for Millennium Dawn that expands the ideology portion of the United States focus tree. It allows the player to turn to a fascist or monarchist ideology through US national focuses. No...22.0k downloadsupdated 7 y ago
• NNapoleonic Wars 1792-1815 | Old Pageby 76561199110082704!!!NEW PAGE!!! What the mod is About this is a revived mod of the old mod called Napoleonic Wars 1792-1815 it has not been updated in like 2 years. the mod will take place in 1792 and will end in 1815. the mod will have new focus's new leaders this is a new overhaul of hoi4.The Napoleonic Wars la...22.0k downloadsupdated 10 mo ago
• 原原神祈愿 | Genshin Wish Systemby 76561199135196133Genshin Wish System MOD 原神祈愿模组 English and Chinese General Version 中英文通用版本 模组介绍：欢迎订阅原神抽卡机制模组中文版！本模组的决议界面存在祈愿抽卡系统。祈愿分为角色祈愿与武器祈愿两类，每次祈愿需要消耗大量原石，原石不足可用人力换取，祈愿没有保底机制。角色祈愿结果有80种，武器祈愿结果有60种，结果包括原神将领、民族精神、科研槽、武器装备、科技成果、海陆军队等等。所有的原神4星、5星角色都可以抽到，大家也可以将之作为一个将领包模组。本模组【适配于任何】钢铁雄心4本体与【大多数模组】，比如KX、TNO、Millenni...22.0k downloadsupdated 9 mo ago
• DDaniels Bigger Citiesby TheDanIMPORTANT The new version of this mod is here: If you do not own the Arms against Tyranny DLC you can still use "Daniels Bigger Cities" with version 1.11.2 of HOI4 but if you want to play the latest HOI4 version you should use Urban Expansion! Modification Information Daniel's bigger cities is a...22.0k downloadsupdated 3 y ago
• 部部队经验增加by 76561198921893544More experience army units Optional gain in experience lt can be used alone or with the following mods: Gain more experience： Higher level upper limit： More trait of generals： Get more skill slots： 部队经验增加 可选的经验增加档次，10倍/5倍/3倍/1倍。 倍数越高更容易获得骷髅师 海军空军经验同样适用 AI会选择与你相同的BUFF，也可以让AI禁用。 多人游戏时以最后一位玩家选择为准。 如...22.0k downloadsupdated 5 mo ago
• SStege Map Mod Fixby 76561198975880046Updated version of Stege Map Mod Currently supports Patch 1.19 and above. ⚠️ Important Notice: Project Discontinued Due to personal life struggles, a lack of time, and losing interest in gaming—especially Hearts of Iron—this mod is now officially discontinued. What does this mean? There will be n...22.0k downloadsupdated 5 mo ago
• UUnit Training Speed Enhancedby rafaInformation: Tired of waiting for your units to be trained? This mod modifies the time required to train and deploy divisions, bringing what is usually minutes down to mere seconds.21.9k downloadsupdated 7 y ago
• KKaiserreich French Commune Completely Rework Redux v1.28by 76561199019801357Version 2.0 In Active Development!!! If you want to support the project, get updates first-hand, or provide feedback more efficiently, join our communities: QQ: 857081568 Discord: Main Features - 200+ brand new national focuses - 15+ new mechanics - 300+ original events - 20+ new advisors - 8 dis...21.8k downloadsupdated 5 mo ago
• MMan the Guns Ship Models Fixby Hunor125Updated to game version v1.19.0.0 This mod fixes the previously missing ship models from "Man the Guns Expansion" in the ship designer. The fixed ship models: ================= Generic: - Converted aircraft carrier model England: - Nelson class - Early battleship model - County class - Early heav...21.8k downloadsupdated 5 mo ago
• ++EasyBuff CNby 76561198396251670不需要加载原mod~ 与原mod的改动： 1.把增加的火星工厂个数都从3修改到了100。 2.把增加的建筑槽由2增加到25。 3.基础设施、防空炮、雷达站、空军基地也改为了一键拉满。 4.可以一键获得步兵、装甲、飞机、舰船、火炮、工程学、工业等科技了，史诗级增强（bushi）。 原mod链接(Original mod):21.8k downloadsupdated 20 d ago
• 11943 - The Turning Tideby 76561199513726676New Start Date: 1943 - The Turning Tide Compatible with 1.14+ Discord. Link There you can see what changes I have made recently and you can give me ideas for my mods. Comments are blocked here21.7k downloadsupdated 2 y ago
• AAdd Ideas Slotsby 76561198798897744Мод Add Ideas Slots. Переведен на Русский для удобства. Mod Add Ideas Slots. Translate also to all supported languages in game. Also you check version for Road to 56: IRONMAN not compatible. Multiplayer compatible.21.7k downloadsupdated 2 y ago
• RReal Terrain Pictureby NdlfThis is a mod that changes the "terrain picture" to a real picture. Use unique pictures with 580 provinces. #NOT compatible with Ironman. Provinces that use unique photos are as follows. (Territories in 1936) Germany Berlin,Braunschweig,Bremen,Breslau,Dortmund,Dresden,Essen,Freiburg,Frankfurt,Ham...21.7k downloadsupdated 4 mo ago
• TTimes of Peaceby RookieCookieNamNamTimes of Peace: A peacetime rework Are you annoyed that after a world war, every nation is mass producing military equipment instead of restructuring their industry to rebuild their nation? Do you dislike the fact that nobody is demobilizing their troops after a world war? Do you want to re-build...21.6k downloadsupdated 9 y ago
• CCustomisable Research Slotsby 76561198405474842This mod adds a new decision which can be activated to add an additional research slot! The decision is only available to the player. My other Mods: Tech decisions Tech decisions V2.0 No Impassable Terrain21.6k downloadsupdated 3 y ago
• WWarhammer The Great Crusade Rebornby D@niilA mod set in the Warhammer universe — an alternate reality where gods play with the fate of mankind. Mod version: 0.1.0 — “Awakening of the Necrons” Supported languages: - English - Russian Content: - New race — Necrons - 6 unique mechanics for the Necrons - New technologies and units - Over 250...21.6k downloadsupdated 2 mo ago
• !!More Unit Levels - Vanilla Range [DISCONTINUED]by LemurMore Unit Levels - Vanilla Range Version: 1.0.10 State: Complete Description Are you sick of your units losing 25% combat efficiency because your 20 battalion division just got expanded with recon company? Then this mod is exactly for you! This mod aims to make division experience system more rea...21.5k downloadsupdated 4 y ago
• MMillennium Dawn: Subject Management Submodby 76561198448359520A simple mod that adds a few decisions to Millennium Dawn, focusing on managing your subjects and asserting your control over them. The currently available decision effects are: • Increasing the popularity of an outlook in a subject • Stabilizing subjects below 75% stability • Forcing a subject t...21.5k downloadsupdated 2 y ago
• LLuxembourg Modby 76561199439852263My first mod, THIS MOD MADE FOR FUN. English, Russian languages supported. You can suggest ideas to update this mod, ideas will very help me. just now this mod have 4 paths: Democratic: 1 - EU Path (gonna add more focuses) Fascism: 1 - German Path (gonna add more focuses) 2 - Solo Path (gonna add...21.5k downloadsupdated 5 mo ago
• NNo Volunteers Capby pesiHello! This mod allows you to send an unlimited amount of land and air volunteers!21.5k downloadsupdated 7 y ago
• TThe Storm: A German Focus Tree Overhaul [ABANDONED]by 76561198348405084First off. Thank you guys so much for all the attention this mod has been getting. I've spent many months working on it and I don't want it to be another dead HoI4 mod in a week. Any bug reports you wish to submit, do so in the discussion below! Various focus and national spirit icons by: - Mysel...21.4k downloadsupdated 4 y ago
• WWarsaw Pact: SSR+ [RETIRED]by 76561198822696871DEVELOPMENT IS NOW HALTED INDEFINETELY. THE MOD WILL NO LONGER BE UPDATED AFTER 1.14 The mod below is the new SSR+, this mod will no longer be supported from now on. Thank you for playing. >>>>>>>> NEW MOD <<<<<<<< From the creator of Dynamic States and Cities Rename and Reichskommissariats Plus,...21.4k downloadsupdated 2 y ago
• IIran Gloryby 76561199239248006Iran Glory 2.0 Beta : Compatible with 1.16 - Mod Updated from 1.13 to 1.16 so for that may your game crash - Nothing new added to mod Introduction Iran Glory is an overhaul mod for Iran with both historical & ahistorical paths that we built because be thought our nation needed a little touch-up....21.4k downloadsupdated 20 mo ago
• BBetter Mechanics : Ultimatumsby 76561198392304827Better Mechanics: Ultimatums "It is the last territorial claim which I have to make in Europe." Adolf Hitler, 26 September 1938 In vanilla, if you want a piece of another country you justify a war goal and declare war. That's it. This mod adds the step in between: you can make demands, back them...21.4k downloadsupdated 1 mo 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.