Mod «Cold War Iron Curtain: A World Divided» for Hearts of Iron 4 (v1.11.1 - 1.11.12)

Cold War Iron Curtain: A World Divided

This mod adds a Cold War scenario into Hearts or Iron IV. Beginning 1949 and planned to end around 2008, with content currently spanning to 1984. The updated version represents the culmination of over a year of work from countless developers to bring you the most comprehensive Cold War experiences available for both Hearts of Iron and in strategy gaming as a whole.


Focus Trees Over 100 New Focus Trees


  • US Focus Trees Covering 1949-1980
  • Soviet Focus Trees Covering 1949-1982
  • PRC Focus Trees Covering 1949-1970
  • Generic Focus Trees for the 1950s, 1960s and 1970s
  • and many many more....

Other Features

  • New Countries and States for Colonies, Rebellions,...
  • Events for well known Cold War Uprisings
  • Completely reworked Armor Tech Tree
  • Completely reworked Air Tech Tree
  • Completely reworked Infantry Tech Tree
  • Completely reworked Navy Tech Tree
  • Completely reworked Industry Tech Tree
  • Completely reworked Electronics Tech Tree
  • Weapons of Mass Destruction Tech Tree
  • Helicopters and even a Space tree!
  • A custom Nuking Mechanic
  • A DEFCON System for USA, Soviets and PRC
  • An Electricity System
  • A Food System
  • A Policy System
  • Economic Systems
  • Resource Consumption Mechanics
  • And Many more for you to discover...


  • Democratic Ideologies: Conservatism, Centrism, Socialism, Classical Liberalism, Progressivism, Liberal Conservatism, Christian Democracy, Social Liberalism, Social Democracy
  • Communist Ideologies: Marxism-Leninism, Maoism, Revolutionary Socialism
  • Authoritarian Ideologies: Reactionary, Monarchism, Nationalism, Third Positionism
  • Islamic Ideologies: Islamism, Shia Islamism, Salafism
  • Fixes and improvements

Version 19.06.22 for Hearts of Iron 4 (v1.11.1 - 1.11.12)

  • Fixes and improvements


Version 29.04.22 for Hearts of Iron 4 (v1.11.1 - 1.11.10)

  • Fixes and improvements


Version 19.02.22 for Hearts of Iron 4 (v1.11.1 - 1.11.7)

  • Fixes and improvements


Version 08.02.22 for Hearts of Iron 4 (v1.11.1 - 1.11.5)

  • Hotfix


Version 01.02.22 for Hearts of Iron 4 (v1.11.1 - 1.11.5)

  • Updated to Current Patch
  • New Content Update


Version 10.10.21 for Hearts of Iron 4 (v1.10.1 - 1.10.8)

  • A large number of fixes, improvements and new content.


Version 24.07.21 for Hearts of Iron 4 (v1.10.1 - 1.10.7)

  • 24 new ground 3D models/national textures
  • Fixed IDF vehicles size(No more Godzilla BTR lol)
  • Bulgaria 50s tree changed to be more historically accurate
  • Added Missing Iranian 1960s Elections that were blocking the majority of the Iranian 60s Tree
  • UIA, Crusaders, Mau Mau insurgencies now easier to remove
  • Reduced ROC army debuff
  • Fix Milovan Djilas name spelling in Yugoslav focuses
  • Prevent Soviets (Khrushchev) funding Nasser if he is not in power
  • Fixed many missing localisations
  • Removed deprecated space GFX
  • Fixed Goli Otok focus not removing the relevant national spirit
  • Nerfed UK 50s tree
  • Fixed UK Hydrogen Bomb focus
  • Weakened UK starting position
  • Brought UK tank designer buffs in line with other tank designers
  • Fixed Castro being killed on Historical AI
  • Added event chain for Yugoslav annexation of Bulgaria + Albania
  • Removed deprecated Argentinian focus tree and unused Soviet military focus tree
  • Improve policy tooltips
  • Fix policy GUI background bug
  • Fix UN Korean War Volunteers idea not being removed
  • Fixed main menu cutoff on small screens
  • Union, healthcare laws nerf
  • Industry tech nerfs
  • Redo various industry buffs
  • New Portraits


Version 19.06.21 for Hearts of Iron 4 (v1.10.1 - 1.10.7)

  • Buffs to PDG, SRT, KRD, and MLA
  • New portraits for PRC/CUB
  • Nerfed UN volunteers to Korea (again)
  • Improved main menu on screens over 1080p
  • Cut main menu video (Will be moved to a submod)-
  • Optimised US moon landing super event
  • Improved focus and event localisation organisation
  • Fixed UK MI6 focus increasing agency creation time
  • Gave Cuba WWII level production technologies
  • Removed Winds of Change speech
  • Removed deprecated Stalin's funeral speech
  • Improved UN GUI
  • Fix De Gasperi typo
  • New Li Zongren portrait
  • Total file size savings - ~300mb
  • Fixed over sight in Kenyan tree that blocked a certain path
  • Fixed bugged Kenyan events
  • Fixed the missing cores for east african federation
  • Tooltip added to the UN Veto Button
  • VEN/ARG_tech
  • Fixed PRC infantry scale
  • New 3D model for Czech early infantry
  • M47 Patton, M48 Patton, M60A1 Patton 3D model
  • 4 new texture for French infantry
  • Complete rework of the French tech tree GFX
  • Complete rework of the UK tech tree GFX
  • First iteration of the Netherland tech tree
  • First iteration of the Canadian tech tree
  • 12 new 3D models for US planes
  • Complete rework of the French land OOB, including indochina units
  • Complete rework of the UK land OOB
  • Unique namelist for French divisions
  • Tweaked problematic focuses in the Nigeria 50s tree
  • Redid some victory points that had their location messed up


Version 06.06.21 for Hearts of Iron 4 (v1.10.1 - 1.10.7)

  • Some new GFX for Soviet and USA
  • New West Germany Infantry models
  • New US infantry models
  • USA 1949 entirely OOB completed
  • Soviet 1949 Air OOB done
  • Fixed Cultural Revolution not triggering
  • "Purge" of Deng Xiaoping made more realistic
  • Added localization for Nixon's Native Policy Event
  • Fixed Mosul Uprising Event
  • Fixed French Victory in Indochina Event Picture
  • Added Missing Earl Warren Event
  • Added Iraqi Voice Units
  • Fixed Population Data in Cairo and Tibet
  • Fixed Minor Issues Related to the HoI4 Anniversary Patch
  • Fixed Stalin Bug


Version 09.05.21 for Hearts of Iron 4 (v1.10.1 - 1.10.5)

  • removed unused belgian low quality focus icons
  • fixed a missing bracket in the death of brezhnev event
  • fixed a missing \n in the three miles island event
  • Fixed Dominican Republic being my personal guinea pig and thus unplayable
  • Fixed Super Event Quotes
  • Fixed Demand Istria Event Giving Part of Ukraine Instead
  • Fixed Japanese Demand Taiwan Event Not Giving 2 States
  • Fixed Romania Tree Not Swapping to Generic 1960s in 1960
  • Fixed Congressional Elections
  • Soviets can request yugoslavia submit peacefully+partition event minor icon work
  • US Light fighter GFX
  • US recon plane GFX
  • Soviet Tac+strat bomber GFX improvement
  • Soviet artillery GFX rework
  • 30 unique division icons for USA and USSR
  • Foreign Legion unique icon for France
  • Fulda geography from forest to plain
  • Fulda Gap added to the map
  • Guard units name fix(Accurate Russian)
  • French air tree complete GFX rework
  • New Khrushchev public housing icon
  • New demographics button
  • Construction view GUI fixes
  • Fixed Jiang Qing being the wife of all Chinese leaders
  • Fixed a Suez crisis event showing Nasser as the leader of Egypt even if he is not
  • Fixed spelling of "Betrayal" in 2 events (typo fix)
  • Major volunteers rebalance
  • Korean War volunteer rebalance
  • Removed deprecated portraits
  • Reduced severity of Great Chinese Famine to be realistic (Was killing 100m+ before)


Version 19.03.21 for Hearts of Iron 4 (v1.10.1 - 1.10.4)

  • Fixed French 1956 Election Spam
  • Fixed Missing Localization for a PBSUCCESS Event
  • Fixed South Vietnam Tree Being Used in the 60s
  • Fixed Brezhnev Focus Glitch
  • Fixed Albania Not Becoming Independent Upon Soviet-Albanian Split
  • Fixed Albanian Subversion Variable Checks and Now Properly Makes Monarchist Albania Independent
  • Fixed the Iranian Revolution Not Firing Properly
  • Fixed East African Federation not having cores on all it's states when it forms and made its color less similar to it's neighbors Somalia and the DRC
  • Made Khorloogiin Choibalsan a field marshal for Mongolia (and of course when he dies he stops being one)
  • Fix: remove idea on german reunification
  • New Portraits by HiGuys: Dom Mintoff (MLT), Ludwig Erhard (WGR)
  • Fixed too long event text
  • Fixed wrong party popularity in 1949 NZL start
  • Prevented SOV focus from freeing Berlin after reunification
  • New BRA, MAL, ETH, INO and LEB models by Torn
  • Fixed another Suez issue, Telescope part 2
  • Fixed portraits for PDG tree
  • Various New South Korean Portraits
  • AI should now produce up to date planes
  • Plane stats rebalanced
  • Air combat values tweaked to better support the new plane stats
  • Complete overhaul of the British air GFX/localization
  • British air OOB
  • Refined Soviet OOB
  • Refined Indochina War OOB
  • Refined US OOB
  • UK tank/IFV tree GFX/localization
  • Improved Soviet Heavy air tree GFX/localization
  • Improved US Navy planes GFX/localization
  • West Germany Air Tree GFX
  • Unique namelist for UK Squadrons
  • Fixed various issues with PCF (Marxist-Leninist) France's decolonization of Africa.
  • PRC's Focus 'Lobby Asiatic Countries For Recognition' now also makes the PRC a Semi-Recognized state
  • Added news events for the three Karl Marx Years for the DDR with the first one renaming Chemnitz to Karl-Marx-Stadt
  • Portrait for Kenyan General Archibald J. A. Wavell (2nd Earl)


Version 06.03.21 for Hearts of Iron 4 (v1.10.1 - 1.10.4)

  • OOB fixes for players without MtG: reenabled all disabled MtG oob (FRA, ISR, COL, POR, URG, SIA and TUR) and also a few fixes for naval rewards in focuses
  • Made AI want to change Nuclear law to Armed
  • Historical US division name
  • US Divisions now have historical composition and equipment
  • Soviet Divisions now have historical composition and equipment
  • UK divisions now have historical equipment
  • French divisions now have historical equipment
  • North/South Korean Divisions now have historical equipment
  • US APC/IFV GFX rework
  • Soviet light planes tree GFX rework
  • US Attack helicopter tree GFX rework
  • US heavy planes tree GFX rework
  • Communist China Light planes tree GFX rework
  • US strategic bomber groups now have a number historical for the time period. 11 groups of 45 bombers.
  • US strategic bomber groups moved to their respective bomber bases: Fairchild, WA. Mountain Home, ID. Ellsworth, SD. Carswell, TX.
  • US airwings now have realistic size and equipment
  • Unique namelist for US airwings
  • Changed starting techs for USA/SOV, should be more historical now
  • US light air tree localisation/GFX rework
  • South Korean armor localisation/GFX rework
  • UK armor localisation/GFX improvements
  • minor corrections in the kenyan 60s tree
  • Country News window can now fit 4 buttons
  • Fix: Israel focus using wrong idea
  • Readded all the missing Australian VP names
  • SOV/USA/ENG artillery and SOV/USA self-propelled artillery models by Torn
  • VIN/CHI tanks and sp-art by Torn
  • Improved tooltips for State Development Upgrade Decisions (it now includes name of states that can be upgraded, and cost to upgrade each)
  • Fix: State Development Upgrade decision failing in some special cases (probably more to be found)
  • Added generic portrait for leaders without a portrait source (can't find a picture online)
  • Many broken portraits fixed (existed but not being used properly)
  • New Portraits by Higuys: Cheddi jagan (Guyana), Mohammed V (Morocco), Salote Tupou III (Tonga), Fouad Chehab (Lebanon)
  • New portrait by Kreunz: Patrick John (Dominica)
  • New portraits by ParnJT: Dap Chhuon (Cambodia), Seewoosagur Ramgoolam (Mauritius), Praphas_Charusathien (Thailand), Ronald Webster (Anguilla)
  • New ENG 60s descriptions by murph
  • Fix: Six Days War not triggering correctly sometimes
  • ESC key now works on Research Complete popup (making it open research screen)
  • Fix: upgrading a state to developed now works as intended
  • Changed US focus reward (Strategic Air Command in the Jet Age) to no longer give a pre-existing tech bonus
  • Fix: incorrect SOV labor policy in 1960 start
  • WMD: fixed a few scoping issues in nuke news events
  • Made WGR generals be loaded by Focus 'West German Army Control'
  • New Goa and Macau event texts by Boski
  • Can no longer apply to join NATO if at war with them (any war for that matter)
  • Changed Costa Rica's leader since Teodoro Picardo stepped down in 1948
  • Moved Panama/Suez canal icon in state view a bit to avoid clashing with radiation icon
  • Gave missing names to Tonga to avoid blank name when joining a war
  • New KMT victory tree descriptions by JoeSolo22


Version 27.02.21 for Hearts of Iron 4 (v1.10.1 - 1.10.4)

  • Fixed SOV and PRC stealing KPA puppet by focus
  • German reunification via Stalin Notes now also annexes Free Berlin and removes idea Republikflucht
  • Fixed incorrect event text (The Fall of Seoul event desc)
  • Added Radiation icon to State view (next to Chemical Weapons button) - only visible if any radiation present in state
  • Activated after nuke script for states nuked: reduces state development, kills population and damages/destroys buildings (based on atomic_weapons_armament tech lvl)
  • Adapted Cuba Missile Crisis events to use WMD scripts
  • Added Missile Range info to WMD tab
  • New portraits by HiGuys: Carlos Castillo Armas (Guatemala), Mohammad Yusuf (Afghanistan)
  • Fixed 50s_KEN focus issue where independence wasn't actually granted
  • Fixed Khrushchev tree not swapping ideas correctly
  • High-Speed Jet Interceptors can now perform Pilot Exercises mission
  • Somalian division no longer starts in Germany
  • New Korean Agency logo by ADMIRAL360
  • New ROC tree descriptions by JoeSolo22
  • New ENG 50s focus descriptions by BloodHawk
  • Added missing MLA core to Perak
  • Fixed ITA 60s tree not loading as intended
  • Prevented Six Days War from triggering if Egypt no longer exists
  • Moved Jincheng VP to its correct place
  • Fixed Second Malayan Emergency 1967
  • NGA, SIA and MEX models and some fixes by Torn
  • PRC can no longer flee to Manchuria after losing civil war
  • Fixed KMT_1950s_Victory focus not removing banditry idea
  • Improved missile ranges for WMD calculations
  • Added the Upper Volta revolutions till Sankara
  • Fixed the Burmese coup of 1962 not working
  • Fixed SAF elections not changing the party
  • Fixed Canadian elections
  • Fixed Nicaraguan 1950 election event
  • Fixed Paraguay wrong encoding
  • Added creation of South Yemen
  • Fixed Zanzibar Revolution
  • Fixed Burma Portrait
  • Fixed Nigeria's 50s focus tree loading in the 60s
  • Tweaked Kenyan Generals and added flavor events for them
  • added fail-safe for Moroccan Independence


Version 15.02.21 for Hearts of Iron 4 (v1.10.1 - 1.10.4)

New or Reworked Focus Trees

  • America 1950s Rework for Military/CIA/Foreign Policy
  • Thomas Dewey 1952 and 1956 (R)
  • Democratic Eisenhower 1952 and 1956 (D)
  • Richard Nixon 1956 (R)
  • Earl Warren 1952 and 1956 (Republican - Progressive)
  • Averell Harriman 1952, 1956 and 1960 (D)
  • Douglas MacArthur 1952 and 1956 (R)
  • Harold Stassen 1952 and 1956 (R)
  • Charles Halleck 1956 and 1960 (R)
  • Richard Russell 1952 and 1956 (Dixiecrat)
  • Joseph Martin 1956 and 1960 (R)
  • Beria/Malenkov Path Added for Post Stalin Death
  • Communist Greece Focus Tree
  • Morocco 1950s
  • Nigeria 1950s
  • Sweden 1950s
  • Republic of China Victory Tree
  • North Korea 1950s
  • Britain 1950s (Only Historical and Bevan Routes atm, more will be added later)
  • East Germany 1950s Economic Branch Remade Completely
  • East Germany 1960s Rework
  • Various Fixes and QOL Improvements in Older Trees

General Changes and Mechanics

  • Various Fixes and Improvements to the Mechanics
  • New World Tension GUI
  • WMD Rework
  • UN Mechanic Phase 1
  • Culture and Religion Mechanics Phase 1
  • Space Race Phase 1
  • UI Rework
  • New News Event UI and all News Event Pics Redone
  • Hundreds of New Events
  • New Event Chain for the Red Scare and McCarthyism
  • New Event Chain for the Stalin Notes
  • New Event Chain for handling the dismissal of Douglas MacArthur in the Korean War
  • Various New Potential 1950s Conflicts tied to the 1950s USA Rework
  • Suez Rework V3
  • New Congress UI for America
  • New Warlord GUI for Victorious Republic of China
  • New Economic GUIs
  • Reworked the Political Window to Replace Parliament with Policies
  • Arab League GUI
  • Super Event Rework (and some animated Super Events)
  • Influence Rework + Miscellaneous Fixes
  • Lots of New 3d Models


  • Some New Space Techs
  • Various Fixes and Improvements etc


  • Near Total Map Rework
  • Hundreds of New States and Tons of New Provinces, especially in Africa and Asia
  • Population Data has been calculated for all inhabited states for all bookmarks to try to be accurate
  • Ethnic Data added to all inhabited states
  • Religious Data added to all inhabited states


Version 01.08.20 for Hearts of Iron 4 (v1.9.3)

  • Fixed event spam for racial related problems.


Version 11.06.20 for Hearts of Iron 4 (v1.9.3)

  • Various improvements and fixes.


Version 05.06.20 for Hearts of Iron 4 (v1.9.3)

  • Fixed Issue with Vietnam/Bulgarian Trees Regarding Locked Focuses
  • Fixed Yugoslavia Bugs Regarding Joining NATO
  • More Korean Ceasefire Work
  • Other Minor Fixes
  • Actually fixed chezoslovakia
  • Bunch of Pakistan fixes
  • Fixed broken Cuban tree
  • Fixed broken Yugo national spirit


Version 02.06.20 for Hearts of Iron 4 (v1.9.2)

  • Updated South Korean Unit Names to be more accurate
  • Foxed Various Invalid Event Errors
  • Fixed French Errors
  • Fixed Issue with Korean Ceasefire
  • Korean Ceasefire Timer Now Begins from the start of the war
  • Naval Speeds have been fixed
  • Various UI Fixes
  • Yemen Focus Tree is now Playable
  • Added 6 Missing Yemen Events
  • Minor Various Balance Work
  • Fixed reported finnish bugs
  • Added some missing portraits
  • Fixed roc gaining provinces in prc after civil war
  • Buffed balkan federation decisions
  • Added missing yugoslavian female names
  • Fixed Iranian 50s tree being covered by continous focuses box
  • Tech loc organization and fixes
  • Fixed Portugal Carnation Revolution Events
  • Fixed broken czechoslovakian tree
  • Fixed pinochet events


Version 31.05.20 for Hearts of Iron 4 (v1.9.2)


File info

  • Added by: TOP-Mods
  • Author: swf541
  • Mod version: 27.06.22
  • File format: ZIP
  • File size: 1660.0 mb
  • Source: Go to
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please i need to Cold War Iron Curtain: A World Divided v1.90 because i can’t find v1.91 and v1.92 


it doesn't exist on this website, besides these two versions can work on 1.9 too

Mohammad DT

I think iran's focus tree isn't balanced in this mod.


e só pra min ,ou o de vocês também esta bugado.
tipo ,a tela cortada pela metade, as vezes não carrega . eu  não consigo acessar a parte politica do meu pais .
e por ai vai, se alguém puder me ajudar, entre em conato por favor 


please v1.01.2


Please i need 1.10.1


Please  1.10.1

Neville Chamberlain

Pls update to 1.101

bla bla

1.10.* pls update it 


Can you update to v1.10.3 ?


When i select a country, no matter what's the scenario,it's always crashing




Guys can anybody help me? I start game with this mod. And when game loading he come to naval distances and crash. I dont know how to fix this can anybody help me?


same as me


do you fixed? 


very very very hard fix

Yak yakishin



hello when i try the mod and choose a country it crash can i ask why its happening


it don’t work when i click on a nation chrashed


pleaaaaaaaasssssssseeeeeeeeee help me its freeze at the end of loading 


This mod don`t work for cracked version. Game crash every time on the end of loading screen or choosing scenario. If author can fix this because I really want to play this mod but I say mod is just crashing.

Craked PC

yup same just like me.


Everytime i start a new game it gets stuck, at 80 percent and the background music stops playing, please just fix it i wasted 1 hour  in this.


Can't wait for Afghanistan War and Soviet update


plase update


plase update 9oct


update please

please add faster war goals pls 
joseph stalin

Every time I download this mod, I get a crash reported error. The mod won't open.


Does this really work on 1.11.1 ???




When i complete the focus called «Directintervention» as the SovietUnion to the Korean war, its not declare war on korea why?