

Hearts of Iron IV
Explore the best Hearts of Iron IV mods that transform the grand strategy experience with new alternate histories, expanded focus trees, additional nations, overhauled mechanics, realistic warfare systems, and unique gameplay scenarios. Discover popular HOI4 mods, total conversions, historical enhancements, multiplayer favorites, and community-created content that adds countless hours of replayability to Hearts of Iron IV.


Lene’s Map

Dynamic Research Slots Reborn

Darkest Hour
![Smooth Iron [1.17.5]](https://mods4.com/wp-content/uploads/2026/07/mod-20288-c6e2a48554-480x300.png)
Smooth Iron [1.17.5]
![Age of Absolutism (1444-1480) [OPEN ALPHA]](https://mods4.com/wp-content/uploads/2026/07/mod-20289-7df0fdac6d-400x300.jpg)
Age of Absolutism (1444-1480) [OPEN ALPHA]

Extended Building : Coal+++

Wither Skeleton Farm
![FPS Map Fixes [1.17]](https://mods4.com/wp-content/uploads/2026/07/mod-20292-65d7b87d6e-480x300.jpg)
FPS Map Fixes [1.17]

Energy Rework (Coal/Nuclear/Dam to Energy)

Unlocked Faction Logos
