Old World Blues

Download the Old World Blues mod for Hearts of Iron IV and explore the immersive Fallout universe with unique mechanics, factions, and strategy gameplay for free.

Old World Blues Mod: Fallout Meets Hearts of Iron IV

Enter the post-apocalyptic wasteland with Old World Blues, the ultimate mod for Hearts of Iron IV (HOI4). Set in the Fallout universe in the year 2275, this complete overhaul redefines strategy gaming with an immersive Fallout-inspired experience. From commanding iconic factions like the NCR and Caesar’s Legion to exploring dynamic systems like scavenging and the caps economy, Old World Blues transforms HOI4 into a thrilling journey through the Wasteland.

With more than six years of development, glowing reviews, and a passionate community, Old World Blues isn’t just a mod — it’s a whole new game.

Old World Blues: Key Features

Fallout Universe Brought to Life

Custom Map of North America: Experience a redesigned map with detailed terrain, navigable rivers, and iconic Fallout landmarks.
92 Unique National Focus Trees: Lead your favorite factions — NCR, Caesar’s Legion, Vault City, and more — or forge your own path.
Authentic Fallout Themes: Engage with 4 ideologies (Elites, Intellectuals, Ruler, and People), S.P.E.C.I.A.L. stats, perks, and an immersive Fallout-inspired UI.

Dynamic Gameplay Mechanics

Scavenging System: Explore the Wasteland for resources and technology to gain the upper hand.
Caps Economy: Manage a unique currency system tied to scavenging and trading.
Savage Raider Mechanics: Conquer the Wasteland with the might of raiders like the Broken Coast.

Enhanced Visual and Audio Immersion

Custom 3D Models: Units, vehicles, and Fallout-specific robots like Protectrons and Liberty Prime look stunningly detailed.
Complete Soundtrack: Every Fallout music track included, paired with a custom in-game music player.

Endless Replayability

Factions Galore: Play as any of the numerous in-lore factions or create your own.
Unique Decisions: Make game-changing choices that reflect the Fallout world.
Community Submods: Enhance your experience with a thriving library of fan-made additions.

How to Download and Install Mod for Hearts of Iron 4?

If you've downloaded the "Old World Blues" mod for Hearts of Iron 4 but aren't sure how to install it, don’t worry. Our website has a detailed guide on how to install mods for Hearts of Iron 4.

For advanced users: simply copy all files and folders from the archive into the folder located at Documents\Paradox Interactive\Hearts of Iron IV\mod and enable the mod in the game launcher.