As the name of the mod says, (most of) the cores are unreal. Some of the countries who have advanced cores: Persia, the China's, the Middle East, Afghanistan, Egypt, Poland, Germany, Italy, Hungary, Yugoslavia, Czechoslovakia, Soviet Union, Canada, Great Britain, Austria, Abyssinia,Finland, Denmark... And some mild changes to the map. None of these are final. Enjoy!
You will need to have WinRAR to extract the files (you can try to extract it online). Make sure to extract it into tfh\mod It's for the latest version of HoI3 tfh 4.02 So, look out for that. Added: Italy, France, Portugal, Netherlands, Belgium and more claims for both Spains. ENJOY!