Mod «OWB: BATTLEGROUNDS - Reign of Monsters» for Hearts of Iron 4 (v1.12.1 - 1.12.6)

OWB: BATTLEGROUNDS - Reign of Monsters

The collapse of the Midwestern Brotherhood of steel was fast and unexpected. New and old faces came alike to claim a spot of land in which to rule. Around the wasteland everyone knows a war is coming. Militarism, resource shortages, and human nature is merely increasing the odds. A silent echo of how the old world, littered with mighty empires. Fell in the same, twisted way.

OWB: Battlegrounds, is an update sized Submod for the smash hit "Old World Blues", This submod is rich with content and expands the map eastward with many new stories to tell and empires to create. It is highly recommended for lower end computer users to take advantage of the region unifies while enjoying our mod. We add a lot!


  • Thousnads of new provinces and hundredsof new states
  • 33 new nations
  • 7 new focus trees (Ghoul Swamp, Blood River, Brotherhood Remnants, Odyssey, Octaw's Expansion, Meanfish, Ghoul Coast)
  • 2 shared focus trees with unique focus branches for the following nations: (The Bees, Radroach Republic, Deathclaws, Molerats, Eater of Worlds, Robots!)
  • 2 unique formable nation decisions (Radroach Republic, Kansas Chapter, Busy Bees)
    Wild Wasteland content (The Bees only at the moment)
  • A unique Drug Trading system to sacrifice long term stability for short term warfare benefits
  • Quality of life changes to base OWB
  • Love
  • Unique units! (Deathclaws, The Bees, Radroach Republic and all Ghoul Nations)
  • Restoring Byzanitum!
  • And of course.... You can make every man a king.

Required: Old World Blues

  • Fixes and improvements

Version 06.11.22 for Hearts of Iron 4 (v1.12.1 - 1.12.6)


File info

  • Added by: TOP-Mods
  • Author: OCTAMAN
  • Mod version: 04.12.22
  • File format: ZIP
  • File size: 33.1 mb
  • Source: Go to
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