Hearts of Iron Anthology - PC Command any frontline during World War II as one of more than 175 playable countries. Four major campaigns let you play through the full course of the war, plus 15 battle scenarios including D-Day, Operation Barbarossa and The Ardennes Offensive. A vast and innovative technology tree that includes more than 350 different technologies to research. More than 12,500 historical military and political leaders, each brought to life with authentic portraits and schemes to further their own agendas. Several What if scenarios taking WWII into WWIII.