It is the original home of the famous Kaiserreich mod and many others that extend gameplay into the Cold War.

Improves on HoI2 with a redrawn map (more provinces), enhanced diplomacy, and a deeper research system using specific "tech teams" like Porsche or Krupp.

is a standalone grand strategy game based on the Hearts of Iron II engine. It is widely considered by veteran players to be one of the best and most refined entries in the entire series, even years after its release. Key Highlights