An ancient intelligence who slumbers within the heart of Mexico.

Savage raiding mechanics for the mightiest raiders on the west coast, the Broken Coast.

A unique scavenging system that immerses the player in the Fallout world.

An extensive and incredibly talented submodding community.

Every music track from Fallout bundled with a custom music-player.

A one-of-a-kind research tree that converts the diversity of Fallout’s technology into HOI4 seamlessly.

Custom artwork for all leaders and generals.

4 new ideologies representing the nature of groups found in Fallout: Elites, Intellectuals, Ruler, and People.

3 generic focus trees representing different groups in Fallout: raiders, tribals, and settlers.

26 unique focus trees centred around important Fallout factions.

Events and descriptions themed to perfectly match the Fallout style.

Unique infantry models for the Aztlan, Itza, NCR, Legion, and Vault City.

Unique 3D models for motorised and mechanised infantry.

Detailed and animated power armour models.

Unique 3D models for iconic Fallout robots.

Custom unit models for each nation type: mexican, tribal, settler, raider, ghoul, and super mutant!.

Navigable rivers made of sea terrain spanning the entire map.

Mountain ranges realistically represented as impassable terrain.

An entirely custom map of North America.

With almost three years of development time and glowing reviews across the board, we assure you: you’re in good hands here. Old World Blues is the definitive Fallout experience for Hearts of Iron IV, a total overhaul that uses its expansive list of changes to make the game a truly new and unforgettable experience. With the use of “Historic Focuses”, you get to decide the path famous Fallout factions took, directing generic nations and changing history as you see fit. Twenty nine national focus trees-three of which are generic-keep the game exciting as numerous powers contest in a battle to control the Wasteland. Experience the postapocalypse like never before with a dynamic war system that ensures that the AI nations act on their own, respond to aggression, and strike when their opponents are weak. Old World Blues is a total overhaul for Hearts of Iron IV: starting in the year 2275 and set in the Fallout universe.

Republic at war ai fix