Downloadable content

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HoI4's DLC Interface.

Downloadable content (DLC) is content built by Paradox Development Studio (PDS) as an extension or add-on to Hearts of Iron IV. They are modular in nature,[1] which means that a player can choose to play with or without a given DLC by checking them out at the launch menu. An expansion DLC is normally accompanied by a free patch that gives players most of the new content as not to hinder the playability of the game. As such, most DLCs are seen as optional content for players who wish to have a better gaming experience in exchange for some monetary support.

Multiplayer games also benefit from this compatibility, that is to say, if the host has a gameplay DLC (expansions and flavor packs) the player does not, the game acts as if the player has it.

Note: Further details on a specific title may be available by clicking on its banner or icon.

Base game editions[edit]

The base game is required for any and all DLC relating to the game. While cosmetic/music DLCs can be used with any game version, content DLCs can't be used prior to the version they were released with.

Title and Quick description D

Banner HoI4.jpg

Released on 2016-06-06.
  • Total strategic war: War is not only won on land, sea and in the air. It’s also achieved in the hearts and minds of men and women.
  • Authentic real-time war simulation: Let the greatest commanders of WW2 fight your war with the tools of the time; tanks, planes, ships, guns and newly discovered weapons of mass destruction.
  • Assume control of any nation: Choose from the greatest powers striving for victory, or the small nations trying to weather the storm.
  • Turn the world into your battlefield: Experience the full WWII timespan in a topographical map complete with seasons, weather and terrain. Snow, mud, storms can be both your strong ally and a ruthless enemy.
  • Negotiate or force your will: Experience the advanced politics and diplomacy systems, form factions, engage in trade for resources and appoint ministers to your party.
  • Intense Online Combat: Battle in both competitive and cooperative multiplayer for up to 32 players. Featuring hotjoin and cross-platform multiplayer.
  • Give your nation a unique edge: Experience the flexible technology system, where all major powers get their own unique identity. Develop detailed historic tanks and planes through research and army experience.

Hearts of Iron IV: Mobilization Pack

  • Hearts of Iron IV: Mobilization Pack
  • Steam
Includes the base Hearts of Iron IV Hearts of Iron IV game and the following expansions:
  • Together for Victory Together for Victory
  • Death or Dishonor Death or Dishonor
  • Waking the Tiger Waking the Tiger
  • Man the Guns Man the Guns

Expansions[edit]

Expansions change the game considerably; introducing new and improved gameplay mechanics as well as many kinds of flavor and various balance tweaks (included in the accompanying free patch).

Title and Quick description D

Banner Together for Victory.jpg

Released on 2016-12-15.
  • New national focus trees and events: Focus trees for Flag of Canada Canada, Flag of Australia Australia, Flag of New Zealand New Zealand, the Flag of British Raj British Raj (India) and Flag of South Africa South Africa.
  • Alternate historical path: For each of the Dominions, with options to stay loyal to Great Britain, or forge a new, more independent destiny.
  • New autonomy system: Giving subject states degrees of independence from a foreign master.
  • Changes to Lend-Lease: Allows to ask allies to send you your desperately needed equipment.
  • A Spearhead battleplan command: Allowing more control over grand encirclements and punching through enemy lines.
  • Technology sharing: Allows Commonwealth nations to quickly catch up with British assistance.

Banner Death or Dishonor.jpg

Released on 2017-06-14.
  • Four New Focus Trees: Experience the war from the difficult perspectives of Flag of Hungary Hungary, Flag of Romania Romania, Flag of Czechoslovakia Czechoslovakia, and Flag of Yugoslavia Yugoslavia.
  • Equipment Conversion: Update your arsenal by converting older units - or make use of captured enemy vehicles and gear.
  • New Diplomatic Interactions: License military technology to bring other nations' weapons to the field or sell your advances to the highest bidder.
  • New Puppet Interactions: Fascist countries get new subject levels like Reichskommissariat, with access to licenses, industry and strategic resources. The instated governments are held in an iron grip, making it harder for them to break free.
  • New Music and Art: 3 new thematic musical tracks from composer Andreas Waldetoft, new art content for the four focus nations, and new troop voiceovers.

Banner Waking the Tiger.jpg

Released on 2018-03-08.
  • National Focus Trees for China: Guide Flag of China China or the Flag of People's Republic of China People's Republic of China through the war, guided by your own vision of the future.
  • Modified Focus Trees: Flag of German Reich German Reich and Flag of Japan Japan, two major Axis powers now have alternate history paths, including the chance to depose Hitler or restore democracy to Japan.
  • General Traits and Abilities: Generals’ traits can now unlock powerful Command Power abilities, allowing great flexibility and creativity.
  • Decisions and Missions: Historical decisions and national missions give new places to spend Political Power, from domestic politics to start special projects.
  • And more: Scavenge equipment from the battlefield, use Volunteer Air Corps, as well as new music and art.

Banner Man the Guns.jpg

Released on 2019-02-28.
  • Major Alternate Paths: Revive the Old Confederacy as the Flag of United States United States and provoke a new civil war, or hasten decolonization of the Flag of United Kingdom British Empire.
  • Ship Design: Research new components and refit older vessels to take advantage of new knowledge. Outfit your submarines with snorkels or improved stealth.
  • Admiral Traits and Skills: Tailor and level up your Admirals with new traits and skills.
  • Governments in Exile: Welcome a government in exile to your democracy, boosting their legitimacy in return for more manpower and elite troops fighting to free their homeland.
  • Other National Focuses: New national focuses for The Flag of Netherlands Netherlands and Flag of Mexico Mexico.
  • Naval Mines: Protect your coasts from invasion or assault with anti-ship mines, or clear a path through enemy mines before you make the big push.
  • Shipping route controls: plot new routes for your shipping and navies by marking areas you want to avoid.
  • Naval Treaties: Struggle to keep the peace by following internationally agreed upon rules, or creatively defy the world consensus by exceeding your limits.
  • Amphibious Landing Vehicles: Add power to your beach landing by researching and producing specialized combat vehicles for your marines.
  • New Music: Original music composed specifically for the Man the Guns expansion.
Release date TBD.
  • New Focus Trees for France: New National Focuses for Free Flag of France France and the Flag of Vichy France Vichy France Regime, as well as an option for conservatives to restore the old French Monarchy.
  • More in Depth Spanish Campaign: New National Focuses for Flag of Republican Spain Republican Spain and Flag of Nationalist Spain Nationalist Spain, as well as an expanded Spanish Civil War that can spiral into a wider conflict..
  • Espionage: Use you Intelligence Agency to train spies to specialize in certain types of information warfare and develop passive resistance to enemy espionage, then send them on special operations.
  • Support Resistance: Use your agents to assist allied resistance movements, giving them what they need to damage the enemy.
  • Collaboration Governments: Use your agents to prepare the ground for collaborators to fill the void once you’ve conquered your target.
  • Code Cracking: Decrypt enemy communications to gain short term battlefield advantages.
  • Recon units: Scout planes can provide useful information on nearby areas while armored cars help in detecting and suppressing resistance activities.

Flavor packs[edit]

Flavor packs add new events, event pictures and unit models often specific to one nation or group.

Title and Quick description D
Poland: United and Ready
  • Poland: United and Ready
  • (A free DLC[2])
Released on 2016-06-06.

Focuses on Flag of Poland Poland

  • Adds a unique national focus tree.
  • 3D art for infantry and some more well known tanks and planes.
  • 2D art for tanks & planes, complete with flavor names.
  • 2D art for ministers, generals and country leaders.
  • Complete Polish voice acting for military units.
  • Some additional events.

Music packs[edit]

Music packs add new music created after the game's release to the game's soundtrack.

Title and Quick description D
Pre-Order Pack
  • Pre-Order Pack
  • (Not available for purchase)
Released on 2016-06-06.
  • Allied Radio: Composed by Tobias Gustafsson.
    • Dance Your Troubles Away (3:39)
    • From Glen to Glen (3:13)
    • The Man on the British Countryside (3:10)
    • Winter Came Spring (3:03)
  • German March Order: Composed by Andreas Waldetoft.
    • Der Machtigste Konig im Luftrevier (3:40)
    • Panzerlied (3:12)
    • Schwarzbraun ist die Haselnuss (2:23)
  • Also includes the War Stories e-book pack.
Sabaton Soundtrack
Released on 2016-06-06.
Composed by Sabaton: Adds 5 World War II themed tracks by Sabaton that play during the game. (can't be used on LP videos due to 3rd party copyright)[3].
  • Hearts of Iron (4:28)
  • Primo Victoria (4:11)
  • Stalingrad (5:18)
  • Wolfpack (5:56)
  • Night Witches (3:01)
Sabaton Soundtrack Vol. 2
Released on 2017-01-26.
Composed by Sabaton: Adds 10 tracks illustrating moments of World War II with passion and power chords! (can't be used on LP videos due to 3rd party copyright)[3].
  • Ghost Division
  • Resist and Bite
  • Coat of Arms
  • Uprising
  • Screaming Eagles
  • 40:1
  • Panzerkampf
  • Smoking Snakes
  • To Hell and Back
  • The Last Battle
Radio Pack
Released on 2019-06-04.

Adds 35 new songs spread across three faction specific radio channels, each with their own unique look and design:

  • Allies Radio Station
  • Axis Radio
  • Radio Comintern

Cosmetic packs[edit]

Cosmetic packs add graphical enhancements to the game, whether by additional unit models, landmarks or portraits.

Title and Quick description D
Colonel Edition Upgrade Pack
Released on 2016-06-06.
  • Heavy Cruiser Pack: Adds 7 heavy cruisers available for both Axis and Allies, including Exeter, Prinz Eugen and Mogami.
  • Tank Pack: Adds 40 tanks, ranging from light to super-heavy (8 units for each nation), for:
Anniversary Pack
Released on 2017-06-06.
  • 20 new portrait selections for generals and leaders across nations in Africa, Asia, Europe, and South America.
  • 20 new custom division icons.
  • New voiceovers for troops while playing as Flag of Poland Poland.
Axis Armor Pack
Released on 2019-06-04.

Adds 53 armor models for Fascist fascist regimes:

  • Flag of Germany Germany: 19 models from a range of tank destroyers, self propelled artillery and self propelled anti-air vehicles, including the Stug III, the Wespe and the Elefant heavy tank destroyer.
  • Flag of Italy Italy: 12 models from a roster of Semovente tank destroyers and the always outmatched L6 tank highlight this list of Italian armor from the war.
  • Flag of Japan Japan: 22 models from a range of every armor type, with seven different Japanese tank designs like the experimental heavy O-I tank that never went into production and a number of tank destroyers.

E-books[edit]

E-books [5] are books written based on the Hearts of Iron IV game. These, however, do not impact the actual game in any way whatsoever.

Title and Quick description D
War Stories
Released on 2016-05-16.

Written by Aaron Rosenberg: A branching narrative (gamebook) about a young British pilot during the Battle of Britain.

  • Be wise! The decisions you make will influence which skills you learn, your relationships with other characters and even the story’s outcome.
Art of War
  • Art of War
  • (Not available for purchase)
Released on 2016-06-06.
  • A 23-page book with art from the creation process of Hearts of Iron IV.

File names[edit]

List of DLC files in the /Hearts of Iron IV/dlc folder (bold names are expansions):

  • dlc001 – Historical German Portraits
  • dlc002 – Poland: United and Ready
  • dlc003 – Rocket Launcher Unit Pack
  • dlc004 – Famous Battleships Unit Pack
  • dlc005 – Heavy Cruisers Unit Pack
  • dlc006 – Soviet Tanks Unit Pack
  • dlc007 – German Tanks Unit Pack
  • dlc008 – French Tanks Unit Pack
  • dlc009 – British Tanks Unit Pack
  • dlc010 – US Tanks Unit Pack
  • dlc011 – German March Order Music Pack
  • dlc012 – Allied Radio Music Pack
  • dlc013 – Sabaton Soundtrack
  • dlc014 – Wallpaper
  • dlc016 – Art of War (e-book)
  • dlc018 – Together for Victory
  • dlc020 – Death or Dishonor
  • dlc021 – Anniversary Pack
  • dlc022 – Waking the Tiger
  • dlc023 – Man the Guns

References[edit]

  1. Forum, "A new patching and expansion policy for Paradox Development Studio", 2011-09-26
  2. Forum, Development Diary 57 - Poland: United and Ready, 2016-05-20 | DLC is added automatically to the base game
  3. Forum, HOI4 Anniversary Diary (and Free DLC), 2017-06-06 | DLC is added automatically to the base game.
  4. The e-books are located in the /Hearts of Iron IV/ebook/ folder.