Mod «The Campaign in the East» for Hearts of Iron 4 (v1.9.0 - 1.9.3)


22 June, 1941.

Three million Axis troops, the largest invasion force in history, stand poised on along the border of the Soviet Union, ready to commence Operation Barbarossa.

The plan to have the Soviet Union capitulate in less than 10 weeks after commencing the operation, turned to be a long, and brutal war that claimed over 30 million lives.

In the atlantic, Germany has lost its Pride of the Fleet, Bismarck. What was called as the 'Happy Times' have ended. German U-Boats are now getting sunk all more frequently

In Africa, the situation has improved for the United Kingdom. Italy is pushed out of Ethiopa, and now only Libya remains under Italian occupation.


  • A 1941 Scenario 'Operation Barbarossa'
  • Historical Order of Battles
  • Historical and realistic Division templates
  • New Events + Flavour events
  • New Decisions for the Soviet Union
  • More realistic Weather and Terrain effects
  • New Main Theme music


This mod shouldn't be compatible with mods that change states, focus trees, countries or almost any sort of overhaul mods. Other than that, it should work fine.

Mod checked on game version: 1.9.0 , 1.9.1 , 1.9.2 , 1.9.3

  • Fixed Mexican civil war bug.

Version 30.06.20 for Hearts of Iron 4 (v1.9.0 - 1.9.3)

  • Various fixes and improvements.


Version 04.06.20 for Hearts of Iron 4 (v1.9.0 - 1.9.3)

  • Fixed the Soviet OOB
  • Fixed general Bugfixes and Crashes


Version 25.03.20 for Hearts of Iron 4 (v1.9.0 - 1.9.1)


How to install mod?

To install the mod for the game Hearts of Iron 4, unpack the contents of the archive to the folder Documents\Paradox Interactive\Hearts of Iron IV\mod and enable the modification in the launcher.

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