37 unique focus trees centered around important Fallout factions.Custom unit models for each nation type: Mexican, tribal, settler, raider, ghoul, and super mutant.An entirely custom map of North America.How Old World Blues: Legacy makes the game more fun. Old World Blues: Legacy is a mod that indulges players in the Fallout world in Hearts of Iron IV! It is a complete overhaul of the base game and gives players a chance to truly experience this post-apocalyptic world. Over 20 years of content for the Major Powers, i.e USA, USSR, PRCįor our fallout fans, we had to include this mod on the list.30+ Ideologies, to lead your nation on it's path to greatness.A fully functional DEFCON and MAD system.Focus trees for most major and minor nations until the 90's.How Cold War Iron Curtain makes the game more fun: In this timeline, players can choose any nation in the world, and lead it through this tumultuous period, either going down a historical or a new ahistorical path. This mod offers the scenario from the era of the cold war, where the US and the USSR were striving for dominance around the world. A world divided by an iron curtain between east and west.