Hearts of Iron went though a number of patches, fixing bugs and adding to the gameplay. A player should always apply the most up-to-date patch for his respective game of Hears of Iron. The patches can be found on the Paradox Interactive Webpage

Hearts of Iron 2

Hearts of Iron: Doomsday

Hearts of Iron: Armageddon

  • HOI2:A Patch 1.1
  • HOI2:A Patch 1.2
  • A community patch project is currently underway for Armageddon; but due to NDAs, no-one knows exactly when this will be finished.