Usa States Mod Hoi4

StateState ID
Corsica1
Latium2
Switzerland3
Lower Austria4
Ostpreussen5
Vlaanderen6
Holland7
Luxemburg8
Bohemia9
Warszawa10
Kaunas11
Vidzeme12
Harju13
Brittany14
Normandy15
Ile de France16
Lorraine17
Champagne18
Aquitaine19
Rhone20
Provence21
Languedoc22
Poitou23
Centre24
Limousin25
Auvergne26
Bourgogne27
Alsace28
Pas de Calais29
Loire30
Midi Pyrenees31
Alpes32
Centre-Sud33
Wallonie34
Brabant35
Friesland36
Sjaelland37
Norrland38
South Tyrol39
Barnaul40
Madrid41
Moselland42
Northern Hungary43
Albania44
Vojvodina45
Muntenia46
Thessaly47
Sofia48
Ankara49
W��rttemberg50
Rhineland51
Oberbayern52
Niederbayern53
Franken54
Hessen55
Weser-Ems56
Westfalen57
Schleswig-Holstein58
Hannover59
Th��ringen60
Mecklenburg61
Pommern62
Hinterpommern63
Brandenburg64
Sachsen65
Niederschlesien66
Oberschlesien67
Ostmark68
Sudetenland69
Western Slovakia70
Eastern Slovakia71
Zaolzie72
Carpathian Ruthenia73
Eastern Sudetenland74
Moravia75
North Transylvania76
Dobrudja77
Bessarabia78
Moldova79
Bucovina80
Oltenia81
Banat82
Crisana83
Transylvania84
Danzig85
Poznan86
Lodz87
Krakow88
Stanislawow89
Kielce90
Lwow91
Lublin92
Wolyn93
Polesie94
Nowogrodek95
Wilno96
Bialystok97
Plock98
Jutland99
Iceland100
Greenland101
Slovenia102
Dalmatia103
Bosnia104
Montenegro105
Macedonia106
Serbia107
Morava108
Croatia109
Ostlandet110
Uusimaa111
Lisbon112
Leinster113
Sardinia114
Sicily115
Malta116
Campania117
Gibraltar118
Northern Ireland119
Scottish Highlands120
Lothian121
Wales122
Cornwall123
Gotland124
East Anglia125
Greater London Area126
Sussex127
West Midlands128
East Midlands129
Yorkshire130
Northern England131
Lancashire132
Lanark133
Connaught134
Munster135
Aberdeenshire136
Crimea137
Scania138
Sm��land139
V��sterg��tland140
Svealand141
Vestlandet142
Trondelag143
Nord-Norge144
Aland145
Karjala146
Salla147
Lappi148
Pohjanmaa149
Savo150
Eastern Switzerland151
Upper Austria152
Tyrol153
Alf��ld154
Transdanubia155
Calabria156
Abruzzo157
Piedmont158
Lombardy159
Veneto160
Emilia Romagna161
Tuscany162
Zara163
Dodecanese164
Catalonia165
Aragon166
Valencia167
Murcia168
Andalusia169
Extremadura170
Galicia171
Navarre172
Granada173
Leon174
La Mancha175
Castille176
Balearic Islands177
Canary islands178
Beja179
Porto180
Guarda181
Crete182
Cyprus183
Thrace184
Epirus185
Peloponnese186
Aegean Islands187
Memel188
Siauliai189
Kurzeme190
Tartu191
Odessa192
Chernihiv193
Mozyr194
Leningrad195
Kherson196
Mykolaiv197
Vinnytsia198
Khmelnytskyi199
Zaporozhe200
Zhytomyr201
Kiev202
Cherkasy203
Bobruysk204
Kaluga205
Minsk206
Vitebsk207
Luga208
Pskov209
Nevel210
Burgas211
Plovdiv212
Murmansk213
Arkhangelsk214
Onega215
Olonets216
Stalingrad217
Rostov218
Moscow219
Kursk220
Kharkov221
Orel222
Tula223
Bryansk224
Sumy225
Dnipropetrovsk226
Stalino227
Voroshilovgrad228
Azerbaijan229
Armenia230
Georgia231
Grozny232
Caucasus Mountains233
Krasnodar234
Stravropol235
Astrakhan236
Elista237
Volgodonsk238
Saratov239
Belgorod240
Gomel241
Smolensk242
Roslavl243
Volkhov244
Millerovo245
Rzhev246
Kalinin247
Yaroslavl248
Kazan249
Ulyanovsky250
Kuibyshev251
Gorki252
Ivanovo253
Ryazan254
Penza255
Cheboksary256
Tambov257
Lipetsk258
Poltava259
Voronezh260
Ohio261
Pechora262
Novgorod263
Tikhvin264
Mikhaylovka265
Tehran266
Kabul267
French Somaliland268
British Somaliland269
Pitcairn Island270
Ethiopia271
Senegal272
Libyan Desert273
Ghana274
Transvaal275
Southern Ontario276
Mexico City277
Pampas278
Santiago279
Mato Grosso280
Maldives281
Kanto282
Gansu283
North Island284
New South Wales285
Southern Indochina286
Taklamakan287
Burma288
Siam289
Spanish Africa290
Baghdad291
Nejd292
Yemen293
Oman294
Leopoldville295
Portuguese Guinea296
Equatorial Guinea297
Liberia298
Falkland Islands299
Uruguay300
Paraguay301
La Paz302
Lima303
Panama304
Ecuador305
Cundinamarca306
Miranda307
Leeward Islands308
Suriname309
French Guiana310
British Mexico311
Honduras312
Guatemala313
El Salvador314
Cuba315
Costa Rica316
Nicaragua317
Haiti318
Dominican Republic319
French India320
Goa321
Tibet322
Nepal323
Bhutan324
Yunnan325
Hong Kong326
Manila327
Kirin328
Tannu Tuva329
Mongolia330
Newfoundland331
Labrador332
North Borneo333
Kalimantan334
Java335
Singapore336
Faroe Islands337
Gloucestershire338
Izmir339
Bursa340
Istanbul341
Antalya342
Afyon343
Adana344
Mersin345
Konya346
Izmit347
Kayseri348
Sivas349
Malatya350
Vologda351
Van352
Erzurum353
Trabzon354
Samsun355
Kastamonu356
New England357
New York358
New Jersey359
Pennsylvania360
Maryland361
Virginia362
North Carolina363
South Carolina364
Georgia365
Florida366
Alabama367
Tennessee368
Kentucky369
Mississippi370
Louisiana371
Arkansas372
Missouri373
Oklahoma374
Texas375
New Mexico376
Arizona377
California378
Nevada379
Utah380
Wyoming381
Colorado382
Kansas383
Nebraska384
Oregon385
Washington386
Idaho387
Montana388
North Dakota389
South Dakota390
Minnesota391
Iowa392
Michigan393
Wisconsin394
Illinois395
Indiana396
Syktyvkar397
Perm398
Izhevsk399
Kirov400
Engels401
Akhtubinsk402
Tyumen403
Kyzyl Orda404
Tashkent405
Gurev406
Uralsk407
Vladivostok408
Khabarovsk409
Sistan410
Isfahan411
Fars412
Khuzestan413
Kerman414
Herat415
Khorasan416
Hamadan417
Semnan418
Tibriz419
Gilan420
Kurdistan421
Ceylon422
Madurai423
Madras424
Mysore425
Orissa426
Hyderabad427
Gujarat428
Bombay429
East Bengal430
West Bengal431
Assam432
Rajahsthan433
Arunachal Pradesh434
Bihar435
Jabalpur436
Indore437
Lucknow438
Delhi439
Punjab440
Kashmir441
Peshawar442
Sind443
Baluchistan444
Quetta445
Cairo446
Alexandria447
Tripoli448
El Agheila449
Benghasi450
Derna451
Marsa Matruh452
Sinai453
Palestine454
Jordan455
Aswan456
Eastern Desert457
Tunisia458
Algiers459
Constantine460
Casablanca461
Marrakech462
Alaska463
Nova Scotia464
New Brunswick465
Quebec466
Manitoba467
Saint Lawrence468
Saskatchewan469
Alberta470
Northwestern Canada471
Northern Canada472
British Columbia473
Yucatan474
Chiapas475
Oaxaca476
Veracruz477
Jalisco478
Tamaulipas479
Coahuila480
Durango481
Chihuahua482
Sonora483
Baja California484
Guerrero485
Meta486
Santa Cruz487
Bolivar488
Zulia489
Pastaza490
Loreto491
Arequipa492
La Libertad493
Ucayali494
Amazonas495
Para496
Maranhao497
Rio Grande498
Bahia499
Rio de Janeiro500
Sao Paulo501
Rio Grande Sul502
Santa Catarina503
Iguacu504
Goias505
Antofagasta506
Magallanes507
Tucuman508
Chaco Austral509
Mesopotamia510
Mendoza511
Patagonia512
Tlemcen513
Algerian Desert514
Southern Sahara515
Northwest Siberia516
Victoria517
Tasmania518
South Australia519
Northern Territory520
Queensland521
Western Australia522
Papua523
Taiwan524
South Korea525
Okinawa526
North Korea527
Kyushu528
Chugoku529
Shikoku530
Kansai531
Tokai532
Tohoku533
Hokuriku534
Koshinetsu535
Hokkaido536
South Sakhalin537
Central Congo538
Gabon539
Angola540
South West Africa541
Bechuanaland542
Madagascar543
Mozambique544
Rhodesia545
Tanganyika546
Kenya547
Uganda548
Sudan549
Eritrea550
Khartoum551
Western Desert552
Lebanon553
Damascus554
Kuril Islands555
French West Africa556
Mauritania557
Nigeria558
Somaliland559
Nikolayevsk560
Amur561
Okhotsk562
Chita563
Ulan Ude564
Bodaybo565
Irkutsk566
Bratsk567
Krasnoyarsk568
Kemerovo569
Novosibirsk570
Omsk571
Chelyabinsk572
Zlatoust573
Yakutsk574
Kirensk575
Yeniseisk576
Surgut577
Tomsk578
Salekhard579
Tobolsk580
Northern Urals581
Magnitogorsk582
Kustanay583
Ashkhabad584
Urgench585
Alma-Ata586
Ust Urt587
Semipalatinsk588
Ayaguz589
Akmolinsk590
Hainan591
Guangzhou592
Guangdong593
Nanning594
Fujian595
Zhejiang596
Shandong597
Jiangsu598
Guangxi599
Jiangxi600
Xikang601
Hunan602
Guizhou603
Qinghai604
Sichuan605
Anhui606
Henan607
Beijing608
East Hebei609
Jehol610
South Chahar611
Chahar612
Shanghai613
Hebei614
Shanxi615
Ningxia616
Urumqi617
Dzungaria618
Yarkand619
Hubei620
Suiyuan621
Shaanxi622
Luzon623
Central islands624
Samar625
Palawan626
Mindanao627
Cebu628
Hawaii629
Johnston Atoll630
Midway Island631
Wake Island632
Marshall Islands633
Solomon Islands634
New Caledonia635
Fiji636
Kamchatka637
Guam638
Gilbert Islands639
Mandalay640
Tahiti641
Phoenix Island642
Ellice Islands643
Northeast Siberia644
Iwo Jima645
Saipan646
Palau647
Marcus Island648
Galapagos Islands649
Attu Island650
Ufa651
Orenburg652
Sverdlovsk653
Gorno-Altaysk654
North Sakhalin655
Kuwait656
Birobidzhan657
Abu Dhabi658
Aden659
Equatorial Africa660
Tripolitania661
Sirte662
Cyrenaica663
Southern Slovakia664
Gabes665
Lappland666
Lesser Sunda Islands667
The Moluccas668
West Papua669
Laos670
Tonkin671
Sumatra672
Sulawesi673
Central Australia674
Al Hajara675
Mosul676
Aleppo677
Rub al Khali678
Hejaz679
Deir-az-Zur680
Cape681
Northern Ontario682
Northeastern Canada683
Caroline Islands684
Panama Canal685
Puerto Rico686
British Guyana687
Chaco Boreal688
Jamaica689
Northern Bahamas690
Trinidad691
Windward Islands692
Southern Bahamas693
French Caribbean694
Curacao695
Bermuda696
Madeira697
Azores698
Rio de Oro699
Sierra Leone700
Gambia701
Cape Verde702
Ascension703
Saint Helena704
Sao Tome705
Reunion706
Mauritius707
Comoro Islands708
Seychelles709
Diego Garcia710
Christmas Island711
Cocos Islands712
Kerguelen713
Heilungkiang714
Liaoning715
Liaotung716
Sungkiang717
Stanleyville718
Natal719
South Georgia720
Portuguese Timor721
Petsamo722
South Island723
Northern Malay724
Nauru725
Samoa726
Line Islands727
Guangzhouwan728
Macau729
St Pierre and Miquelon730
Central Macedonia731
Pamir732
Andaman733
Nendo734
Savoy735
Istria736
Bismarck737
Aru Islands738
Haida Gwaii739
Vancouver Island740
Cambodia741
Stalinabad742
Qingdao743
Xian744
Dalian745
Ordos746
Dali Bai747
Zunyi748
Huangshan749
Changde750
Liangshan751
Chamdo752
Gannan753
Golog754
Haixi755
Jiuquan756
Shigatse757
Ngari758
Kunlun759
Dabancheng760
Hulunbuir761
Silesian Voivodeship762

Of all the Paradox titles to deploy massive Mods libraries, none might compare with the whopping collection of over 20,000 Hearts of Iron IV Mods. Trying to pick and choose mods through this white-out of vast choices can be as daunting as Operation Barbarossa.

Still, let's ride this tiger of selection and focus on four salient categories to encircle some of the best mods out there. And yes, there is a Battle Royale mod.

What are the best Hearts of Iron 4 Mods?

  • Cold War Iron Curtain: A World Divided (Total Conversion)
  • End of a New Beginning (Total Conversion)
  • BlackICE Historical Immersion Mod (Total Conversion/Immersion)
  • The Great War (Total Conversion/Immersion)
  • The Road to 56 (Total Conversion/Immersion)
  • Hearts of Oak – Man the Guns (Total Conversion/Immersion)
  • Millennium Dawn: Modern Day Mod (Total Conversion/Immersion)
  • Kaiserreich (Alternate History)
  • Old World Blues (Alternate History)
  • Expert AI 4.0 (Mechanics/Balance)
  • Player-Led Peace Conferences (Mechanics/Balance)
  • HOI4 In Real Time! (Mechanics/Balance/why)
  • Soldier's Radio (Cosmetic)
  • HOI4 – Texture Overhaul – Terrain (Cosmetic)
  • World News (Cosmetic)

Cold War Iron Curtain: A World Divided

The lack of updates will pay off with the release of USA States 2.0! We realized that the mod lost it's vision, and with that, there has been a decline in quality of the mod. I have decided that it needs a fresh start. The United States vs the European Union in HOI4 Millennium Dawn! Which country will come out on top in the modern day mod? Many other factors will ultimately. The country tag for United States in Hearts of Iron IV. Also known as Confederate States, Free American Empire and Communist States of America.

States

This is a new mod that's risen in popularity since we last did our checks. As implied by the title, it changes the setting to the Cold War period, with start dates ranging from 1949 through to 1970. There are plans to extend the timeline into the 1990's. This mod features between 10-20 years worth of content for all the major powers, including some minors. It also has thousands of new events, new units, new mechanics including DECON and MAD. You can purchase equipment from the private sector, a new economic system.

Many nations have their own unique mechanics as well. Make sure you don't accidentally download the old version of the mod. You want this one here.

Compatible of Collie 1.10.

End of a New Beginning

This mod caught our eye recently via our Discord sever, as it appeared to offer a Victorian-era experience wrapped in Hearts of Iron's shenanigans. We immediately sent our resident HoI 4 mod guru, Timothy, to check it out and answer one simple question: Is End of a New Beginning the Victoria 3 we've been looking for?

Short answer, probably not. The mod is still in relatively early days, and there's only dedicated content up to 1885. Furthermore, we're worried its commitment to extending the timeline from 1857 through to 2050 is a bit ambitious, given the vastly different worlds represented in that start and end date. They might as well just ask Paradox to make a new game. Also, warfare in EoanB isn't that satisfying as it still uses the mechanics from vanilla HoI 4, more or less. Waging war in the 19th century feels no different than waging war in the 20th, so there's still plenty of work to be done. That said, this is still a fascinating project, and one to keep an eye on!

Officially compatible up to Patch 1.9.3. Does not require any DLCs at the moment, and users are reporting that it seems to work fine with 1.10 Collie anyway.

BlackICE Historical Immersion Mod

One of the more famous mods from the days of Hearts of Iron 3, BlackICE is an immersion & realism mod aimed at making the game more challenging & historical. It's actually recommended that you play with 'Historical Focus' switched on for this mod, as it caters for the crowd who specifically want the challenge of WW2 as it unfolded, as opposed to the growing alt-history/sandbox crowd. Everything from new units and equipment, to new national Focus Trees (many borrowed from other mods that have done good work in this area), to expanding on the Law and Politics mechanics has been looked at. The AI is more challenging, there's more breadth and depth of options, and generally speaking this an excellent historical immersion experience.

BlackICE is compatible with Husky 1.9.3 and there's a test version for 1.10 Collie currently live here.

The Great War

Why fight WW2, when you can fight WW1 instead? The Great Wardoes exactly what it says on the tin - Hearts of Iron 4 has been transformed to the world of 1910, where old-fashioned imperialistic powers jockey for supremacy at the dawn of the 20th Century. The game & mechanics have been completely overhauled to fit the period - that means that innovations like Tanks and Planes will take a while to enter the fray, so you'll mainly be looking at infantry tactics. The team is currently at work on bridging the gap between the First and Second World Wars, with work being done on the interwar tech and decision trees.

Fun fact, the developers of this mod have actually launched a Patreon to fund development of their from-scratch WW1 game, Fields of History: The Great War.

This mod is compatible with Version 1.10 Collie & all DLCS.

The Road to 56

More than just extending the timeline to 1956, this mod peppers the entire world with greater detail and complexity. Not content to wait for Paradox to release content packs for various countries, The Road to 56 provides deep and sometimes quirky focus trees for dozens of countries overlooked by the base game. The most amazing part about this deeper focus on different countries is that it offers choices that go to the very heart of the focus system: the ability to choose a nation's destiny does not need to be an exercise in strict historicity. The creativity that the team places on the focus trees is bolstered by upgrades and expansions to the technologies, political mechanics, laws, etc. This is a one stop shop for a total enhancement of the game.

This mod is compatible with Version 1.9.2 Husky & all DLCS. At the time of writing, an update to 1.10 Collie is expected within the next week.

Hearts of Oak – Man the Guns

Sometimes totally overhauling the game requires a subtle touch. In this case, Hearts of Oak does not attempt to change the base game into something unrecognizable but enhances and re-balances technologies, industries, wars, events etc. in areas where the Paradox team may have glossed over. Complete with a much improved AI, playing HOI4 no longer feels like a “solved” game as most playthroughs can be like but is a dynamic and challenging foray into the dangers of Global Total War. With a keen focus on deepening historical accuracy with challenges for the player, this mod succeeds in bringing more life to this cacophony of death.

This mod is compatible with Version 1.10 Collie & all DLCS.

Millennium Dawn: Modern Day Mod

Winner of the 'Outstanding Modding Achievement' at the 2018 PDXCon, Millennium Dawn delivers exactly what one would imagine: the modern world set in stunning detail on the HOI4 Engine. This mod will be the closest we'll get to a global geopolitical grand strategy set in contemporary times and its fantastic depth makes it an exciting if not eerie look at today's world. One of the best examples of the impressive capabilities of totally overhauling the game, this mod promises political intrigue that's worthy of network news.

Last time we checked, this mod is compatible with Husky 1.9.1. We're not sure about later versions at this time.

Kaiserreich Mod

The veteran alternate history mod on the block. This mod can trace its origin back to Hearts of Iron II. Kaiserreich asks the daring question of: “What if Germany won WWI?”. A deeply rich world fourteen years in the making, every aspect of this alternate history is fully fleshed out in this latest incarnation to delight fans of the legacy of this mod as well as new players.

Tackling an entirely dynamic yet strangely parallel political landscape boasting thousands of unique events, fully fleshed out focus trees, and quirky interactions, this mod gives the player a tantalizing taste of living in an alternate timeline. A true joy to experience for the story and drama with brand new ideologies and situations based on all of the consequences of this “what if”. The visual appeal is impressive as the custom models and graphics add true immersion to this other world. If you're interested in learning more, we did a more in-depth analysis into what makes this mod so compelling.

This mod is compatible with Version 1.10 Collie & all DLCS. Please note that a new version of the mod has been uploaded under a new entry, and you'll need to unsubscribe and re-subscribe to the new version.

Old World Blues

Old World Blues brings the Fallout universe to HoI4, which makes for a surprisingly solid combination. The research tab has been replaced by a new tech tree, reflecting the state of the Fallout universe in 2275; some of the 'tribal' factions will be equipped with spears and scavenged firearms, where the more advanced factions can research and deploy the vaunted Power Armor that has been on the cover of most every Fallout release in the last few years. Many of the factions will have their own unique decisions and focus trees. Much of this will be familiar to players of New Vegas, but there is plenty grabbed from the lore of the first and second Fallout games as well.

There is a lot of depth here, and more on the way, as the modding team is looking to expand the map eastward past the plains and to the Atlantic coast, where we will see the Capital Wasteland and the Commonwealth of Boston represented as well. Keep your eye on this one.

This mod is compatible with Version 1.10 Collie & all DLCS. There is a legacy version here.

Expert AI 4.0

This could also be considered an 'overhaul' mod of sorts given the extensive work done with the AI, but it's not meant to necessarily give the player an alternative scenario or a more immersive experience. Expert AIputs in a lot of behind the scenes work to make the AI a more challenging opponent for the players, specifically with the 1936 start with Historical Focus mode turned on. It's not able to address everything, but it touches a wide range of AI behaviours & decision making systems so that computer opponents fight smarter & harder. It's also not recommended you use this mod while playing minor nations.

States

This mod is compatible with Version 1.10 Husky & all DLCS, although it has some very specific compatibility requirements. If you don't have Man the Guns, the mod will also cause some unexpected AI behaviour.

Thicc Cities – Continued

The amusingly accurate name delivers on its promise. Cities are now expanded into several provinces ramping up the siege drama of urban warfare. Single points and single army combat is expanded into a truly epic battlefield that does away with another layer of abstraction. A small change, but an incredibly rewarding one when such battles as Stalingrad and Moscow are finally more representative of their real history counterparts.

This mod is compatible up to Husky 1.9.2., but it doesn't work with other non-graphics mods.

Player-Led Peace Conferences

Never to trust the AI to have our best interests at heart, it's time to take full control of the peace process through the Player-Led Peace Conferencemod. The obvious drawback is that this is not at all 'historically accurate' but it does offer the player the choice to roleplay their way into a more reasonable peace table if they so desire or just greedily skew everything in his or her favour. Simple yet this mod fixes one of the most annoying things about playing with AI allies.

This mod is compatible with Version 1.10 Collie & all DLCS. A Legacy version for Version 1.9 and below players can be found here.

HOI4 In Real Time!

Have you ever thought, “Gee, HOI4 goes way too fast for me! If only there was something more immersive!” Well you’re in luck! With HOI4 In Real Time!, the game takes a full 60 real-life minutes to process one in-game hour at the slowest speed. You read that correctly. Don’t use this mod. Or do. If you're reading this and the 2020 COVID-19 crises is still on-going, you’ll certainly have time to now with us all quarantined.

This mod is, unfortunately, fully compatible up to 1.10 Collie.

Soldier's Radio

While the epic tones of HOI4 may be great for the high stakes drama, it's still rewarding to sit back and listen to the music of the era and of the common soldier. Highly immersive and strangely sombre, this music pack of over 600 songs (though not all are historically accurate) aims to create a certain atmosphere that reminds the player that he's leading millions to death, heartache, and immortal glory.

With the addition of the new in-game radio, now is a better time than ever to try this mod out!

Currently compatible with 1.10 Collie.

Usa states mod hoi4 command

HOI4 – Texture Overhaul – Terrain

The nitty gritty of realistic global warfare is reflected in this meticulous reworking of the terrain textures into landscapes that not only look more realistic but speak of the startling scope of the conflict. A gorgeous tour de force, no one is the poorer for this graphical upgrade which brings an added level of immersion to the rampaging divisions vying for global control. One of the best things about this mod is that it does not sacrifice performance allowing the player to enjoy a greater expanse of visual goodies without any added lag.

Currently compatible up to 1.10 Collie.

World News Mod

One of the things HOI4 lacks is the view of how the general population fares when the world is in turmoil. World News brings back the newspaper feature of Victoria II, giving a glimpse into the life of the average person during wartime. There are some recycled items from Victoria II, but this mod goes a ways towards breaking up the monotony of the early game slog where all you can do is wait for foci to finish and factories to be built.

Fully compatible up to the current version and all DLCS.

How to Mod Hearts of Iron 4

Modding has never been easier as the Steam Workshop literally makes adding a mod as easy as clicking the subscribe button on the mod's respective page. The mod will be automatically downloaded and will populate the mods section in HOI4's launcher. Here are some tips for first timers:

  • Check if the mod is up to date with the most recent patch for HOI4 (Currently 1.10 Collie). Once a new expansion comes out you may have to wait a few days, weeks, or even months for bigger mods, until the mod is updated. Thankfully, HOI4 will give you a warning if you're about to load a mod that isn't up to date. Also, each mod will tell you on the side menu if it requires certain DLC.
  • Still want to play that favourite mod of yours but HOI4's latest update ruins your save game? You can always roll back your HOI4 version to continue your campaign. Check the mod pages on Steam or the Paradox forums on how to do this since it might be different for each mod and version of the game. If all else fails, ask in the comments threads for instructions!
  • Check if the mods you've selected are compatible with the other mods you've downloaded. This information is usually found on each mod's page as they usually list which mods they are able to run with.
  • Remember that most mods are not compatible with Ironman as they change game balance. If you're achievement hunting, you'll need to find those mods that will tell you in their descriptions that they're Ironman compatible.
  • Finally, sometimes it takes a while for the HOI4 interface to properly load the mod's latest version. Check if you have auto-updates enabled for mods and then, if you're unsure, simply relaunch the HOI4 launcher to check if all of the mods are present and up to date.

Keep in mind that not all mods might be found on the Steam Workshop even if the vast majority are. Simply check the Paradox forum for their listed mods and follow their instructions on their respective threads to download them. While the kinds of mods people want to look for is up to them, let's go through some key categories that will help catalyse that modding experience that has become such a staple for Paradox games.

Do you have any mod suggestions or personal favourites we can add to our list? Let us know in the comments!

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