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.
AllGameplay1.2kAlternative History800Graphics760National Focuses679Events650Historical589Balance555Map535Military491Fixes468Utilities388Technologies357Translation293Sound270Ideologies225Music10submod5Alternate History5
1.2k gameplay mods
- Immersive Equipmentby TolisEver wanted a more realistic representation of WW2 military equipment? With over a thousand new icons this mod completely revamps the unit icons to look more realistic while also adding a whole new layer of variety and historical accuracy. **IRONMAN AND SAVE GAME COMBATIBLE** Check out my other mod:19.7k downloadsupdated 6 y ago
- Add ship custom slot (more slot)by 76561198803046579This mod add ship's custom slots to base design. ・destroyer, cruiser, submarine, battleship Ⅰ 7 slots Ⅱ 10 slots Ⅲ 12 slots Ⅳ 14 slots ・carrier Ⅰ 3 slots Ⅱ 7 slots Ⅲ 11 slots Ⅳ 14 slots ・SHbattleship Ⅰ 14 slots ・torpedo cruiser？？ 12 torp19.6k downloadsupdated 6 y ago
- The East Crisis [FROZEN]by 2uberCOOLezCurrent version of the game: 1.12.5 Current version of the mod: 0.6 IMPORTANT Hi everyone, I wanted to let you know that I have decided to stop working on this modification for personal reasons. However, I understand that many of you are still interested in the project and I don't want my decisio...19.6k downloadsupdated 4 y ago
- Finlandia Invicta - Now Torch (1.3.1) Compatible!by HissamakePortrait modder urgently required - contact me for details! NEW: Finlandia Invicta - Musical Addon FEATURES - Over 100 new focuses - New formables (Greater Finland, Kalmar Union, etc.) - New Events - 5 New Provinces to better represent historical peace treaties - Much, much more After reviewing P...19.6k downloadsupdated 10 y ago
- No Special Forces Cap Updatedby FoxySkiesThis is an updated version of Special Forces Cap with updated code and updated Descriptor. All credit goes to Limitspassed for the original mod also by the same name but without the Updated part. ~~~ Compatibility, -Equestria At War - Yes -Old World Blues - Yes -Road To 56 - Yes -Cold War:Iron Cu...19.6k downloadsupdated 29 d ago
- Releasable 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 6 y ago
- Formable Nations for Road to 56by 76561198353471765As the caption indicates, this is the famous ‘Formable Nations’ mod, but with full compatibility with the ‘Road To 56’ mod. (JULY 2025) It does not add any new formable (for the moment) but modifies most of the existing formables, both to expand some ideas such as ‘Greater Croatia’ as well as for...19.5k downloadsupdated 14 mo ago
- Party Managerby peahead³As of 18/02/2019, I'm working on an Overhaul version of this mod so a lot of work will be going into that as it's going to be an overhaul. Unfortunately a while back I lost all the files on my PC. Maybe one day i may try get back into HOI4 modding but as it stands I won't be working on mods for t...19.5k downloadsupdated 8 y ago
- Second 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
- Europunk: The Fire Rises Submodby UnnecessaryEnemy17EUROPUNK An EU submod for The Fire Rises The European project faces its greatest test. Forces internal and external threaten our Unity in Diversity. The fate of our Union rests in your hands. Good luck, Director. Europunk 0.6 "Ortoli" WHAT'S NEW IN 0.6: - DIY post-American borders - New clean par...19.5k downloadsupdated 27 d ago
- Mo' 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
- World Tension Reducedby JardThis mod aims to reduce the amount of world tension generated from various actions, as well as increasing the rate at which world tension decays. World Tension Reduced Changes ============================= -TENSION_STATE_VALUE: 2 => 0.5 -TENSION_NO_CB_WAR: 10 => 5 -TENSION_CB_WAR: 7 => 2 -TENSION...19.4k downloadsupdated 2 y ago
- Expanded Tank Designer - Fixed!by AstolfoZeGreatThis is the fixed version of Mr. Grimbucket's mod, which broke with the release of BBA. Link to the original can be found here. Compatible with version 1.13 and AAT! Mechanised now have some brand new modules exclusive to them! Keep in mind that stats have been created using the good ol' tried an...19.3k downloadsupdated 3 y ago
- Hearts of Iron IV: Schizophrenic Editionby 76561198339129588Thanks to WitchDoctorDB 🏴☠️ for the idea for this mod:19.3k downloadsupdated 19 mo 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 to19.2k downloadsupdated 20 mo ago
- 取消特种部队科技互斥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取消了特种部队科技互斥与陆军、空军学说的互斥，P社仿佛有大病（雾...）。 我的其它MOD 1.12.* 中共十大元帅，十大将军及其他势力将领补全包 1.11.* 中共十大元帅，十大将军及其他势力将领补全包 毛爷爷控制台风格修改 防空炮加强 支援连不消耗组织度19.2k downloadsupdated 9 mo ago
- "Immersive Romania"by SpookyEngie-The Immersive Romanian Experience- This mod is very simple, it add a national spirits that give Romania 100% equipment capture ratio. Certified Romanian Tradition, Very Original. I saw someone on twitter asking for this to be created, also saw another modded saying they will do it if the post ge...19.2k downloadsupdated 22 mo ago
- Army of Ironby TommyScalettaArmy of Iron Because you obviously dont have a clue what the name of this mod is yet This mod aims to fulfill the Hearts of Iron IV experience by adding various tools and utilities along with making minor changes to the existing content for improved playability and a more immersive experience. Pl...19.1k downloadsupdated 19 mo ago
- Mod 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 4 y ago
- Mac 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 7 y ago
- Millenium Dawn: Brazil Overhaulby IgorThis is a submod for Millennium Dawn that aims to "fix" some Brazilian historical issues and add more stuff! Join our discord :D - Mod Generals - A Few Leaders - Reformed a lot of leaders and ideologies - National Focu ******MOD WILL NOT BE UPDATED ANYMORE****** ******O MOD NÃO SERÁ MAIS ATUALIZA...19.1k downloadsupdated 9 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...19.0k downloadsupdated 4 y ago
- Millenium Dawn - Accurate Ukraineby OplotMReworked Ukraine in Millenium Dawn to more accurately reflect its administrative division, available resources and industrial complex, troops and military equipment. To-Do: 1. Complete the update of all real models of military equipment and weapons as of the year 2000, as well as the addition of...19.0k downloadsupdated 20 mo ago
- Plague.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...19.0k downloadsupdated 9 mo ago
- Millenium Dawn: Extendedby 76561198329361317Ever feel too restrained by the need to choose from mutually exclusive focus? Have you ever wanted to become the most robust economy in Asia, such as Indonesia, or have more growth in the Germany, Botswana, China, and Italy? Do you ever have a more assertive Brazil that can reach the top ten econ...19.0k downloadsupdated 14 mo ago
- Rework Millennium Dawnby Jason YangREAD (ALL OF THEM!!!) BEFORE ASKING: 1. If you found a bug, where it come from? Make sure it happens WITH ANY ONLY WITH my mod. And I can't guarantee anything if you run a mod that changed map files(located in \map\provinces.bmp) 2. If the game crashed before you see the menu, that's my problem a...18.9k downloadsupdated 4 mo ago
- AGORA 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
- tno 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...18.9k downloadsupdated 6 y ago
- Kaiserreich - 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
- The 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
- 动态科研槽(中文版)by 76561198995224189火炮与钢铁造就了你的征服，工厂的烟囱里冒出滚滚浓烟；在乡下，收割机的马达嗡嗡作响，金黄的作物堆积成山；在这强大的国家中，高精技术的发展却始终无法突破瓶颈。 为什么呢，因为受到了某种不明因素的影响，国内的科研工作室始终无法拓展，每有一个科学家润到我们的边界，他/她就会被神秘的力量送回在祖国的办公室；而美国即使丢掉了所有的领土只剩下夏威夷，世界上最优秀的科学家仍然会莫名其妙地传送到那里的科研工作室。 原mod地址： 这个模组引入了“研究力”（Research Power, 简称RP）的概念，它决定了世界上每个国家获得的研究槽数。 是的，它对AI有效。 不，它不兼容成就。 解锁每个研究槽的要求...18.8k downloadsupdated 4 y ago
- More Spiesby DRAFTHOI IV v1.11 updated – maximum operative slots increased to 500; – 2 slots of the operatives in the establishment of the Agency; – the number of agents depends on the level of industry. There is a possibility to configure : for every 5/10/15/20/30/50 factories, 1 operative slot is given; – "Illus...18.8k downloadsupdated 5 y ago
- 【1.11.*】中共十大元帅、十大将军及其它势力将领补充包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。 【重要通知】本MOD不再更新，请移步到新版MOD链接 支持1.11.*版本 游戏机制修改版本 不定期增加新的彩色肖像将领，具体更新内容看改动说明。 将领内容 延安： ★毛泽东（元帅） ★十大元帅：朱德（元帅）、彭德怀、林彪、徐向前、陈毅、刘伯承、罗荣桓、贺龙、聂荣臻、叶剑英 ★十大将军：粟裕、陈赓、萧劲光（海军）、徐海东、王树声、黄克诚、张云逸、谭政、罗瑞卿、许光达 ★ 将军：叶挺、左权、朱瑞、陈光、彭雪枫、周恩来、邓小平、任弼时、寻淮洲、赵尚志、邓子恢、罗炳辉、程子华等 ★内阁：▶徐特立（教育家：科研速度...18.7k downloadsupdated 4 y ago
- Missing 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...18.7k downloadsupdated 2 mo ago
- Larger Icon Selection Boxby BurchReady for 1.19+ - Achievements and Ironman ready! The extra color selection comes from my Icon mod, if I was to add the extra colors then the mod would no longer be achievement ready. Same mod with Extra Colors - click this link: Larger Icon Selection Box with Extra Colors Great to use with: My F...18.6k downloadsupdated 2 mo ago
- Victoria Politics!by PresidentWhitmoreThis mod is meant to at least try to partially to imitate the politics and pop statistics in Victoria 2. Features below: Adds in 4 different democratic parties which can be elected into power, each giving there own unique bonuses including: Social Democrats Reactionaries Anarcho-Liberals Liberals...18.6k downloadsupdated 8 y ago
- Greece 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
- Better City Eventsby YamBetter City Events By the Russia Reworked dev team. GitHub link, Discord link (shared with Russia Reworked discord, see #better-city-events). What is the mod about? This mod adds more events for the fall of important cities (or states) while making them available to any country (unlike the base g...18.5k downloadsupdated 4 y ago
- Austria Focus Treeby DukeThis mod adds a custom and expanded focus tree for Austria DISCLAIMER: I am having a bug right now where I can't update my mod. I'm trying to fix it but for now no new updates, sorry :( ==================================================================== *NEWEST VERSION* (16/06/20) : working even...18.5k downloadsupdated 6 y ago
- Naval Research Slotby flowlanssWhat is this Mod? This mod add research slot only can research naval technologies. Mod Compatibility Can't say concrete, but maybe can compatible with mod which don't change technologies. You can use this in Kaiserreich too. Ironman incompatible Known Issue Update Info Ver 0.53 Add Alert. When yo...18.5k downloadsupdated 4 y ago
- OWB: Robots Reworked [Abandoned]by !nikminerThis mod is in beta testing This is a major reworking of the OWB robotic branch, this mod recycles the fully technological robot tree, allows you to customize robots, changes the approach to using robots and adds a new technological branch of turrets. The purpose of this beta test is to identify...18.5k downloadsupdated 4 y ago
- Combat Width Redesignedby PerihelionDue to the changes to Combat Width made by the most recent patch, this mod is no longer supported and will likely not work. Thank you all for downloading and commenting and generally helping me through my first and only major mod. For a week or so this was, unbelievably, the most popular mod on t...18.4k downloadsupdated 5 y ago
- Age 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...18.4k downloadsupdated 6 y ago
- Toolpack 1.10by Pannoniæ----- NEW: Compliance/resistance support in State Managing Tool ----- Toolpack updated to 1.10. It is the full version, not the one posted by the other guy which has half the features. The localisation bug has been fixed. :) Hi pranksi I love you for making this thingie.18.4k downloadsupdated 5 y ago
- #girls und panzer country mod（outdated）by 墨韵拥有新的国家：大洗（包含国策树+内阁（少女与战车+青春波纹/高校舰队）+陆军（少女与战车）海军（青春波纹/高校舰队）指挥官。） 继续高校（芬兰）国策树 大学选拔队（土耳其）国策树 真理（苏联）国策树 原版BGM全替换少女与战车BGM 【少战MOD交流群：152170214】 具体的更新说明详情见改动说明 仅MOD为中文，未改动其他语言。 需要全中文汉化请配合52汉化一起使用18.4k downloadsupdated 7 y ago
- Twin Dragons - China & PRC Focusesby NightingalePlease remember to rate! Updated with new features for Together for Victory This mod creates completly new and unique focus trees for Nationalist China and the People's Republic of China as well as new unique events and other change18.4k downloadsupdated 10 y ago
- Better Formable Nations & Coring Decisionsby 76561198829648359BFN is a mod designed to give players a realistic and strategic way to core their conquests, in a way which isn't gamebreaking. Neighboring Core Decision: You can core a state that borders your existing core territory. Colonize Decision: You can also core a remote coastal state that does not bord...18.3k downloadsupdated 15 mo ago
- [1.7.*] Wunderwaffen (+New Rocket System)by XenoNow compatible with 1.7.* Hello everyone! I decided to make this mod because I wanted to add Prototypes such as Wunderwaffens in HoI 4. New Technologies -New Tanks (Ratte, Monsters, Panzer Lowe, IX, X...) -New Submarines -New Aircraft (Fighters, CAS, Bombers...) -New Rockets (V1, V2, V3, SE, SB.....18.3k downloadsupdated 7 y ago