Hearts of Iron IV

Publisher: Paradox Interactive · Studio: Paradox Development Studio · Creator: Dan Lind (project lead)

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Anecdote

Developed by the Swedish studio Paradox Development Studio and published in June 2016, Hearts of Iron IV is the fourth installment in a grand strategy lineage devoted to the Second World War, a series that began in 2002. The player takes command of any nation in the world between 1936 and 1948, from the United Kingdom to the Dominican Republic, from the Empire of Japan to the Spanish Republic. The strategic scope encompasses the war economy, diplomacy, technological research, industrial production, and the simultaneous conduct of land, naval, and air campaigns across a world map subdivided into thousands of provinces. Project director Dan Lind wanted to allow players to embody both grand strategists and heads of state, while enabling fascinating alternate histories: a democratic Germany, a federal British Empire, a worldwide Communist International. The national focus trees — genuine branching structures of historical and alternative paths — give each country its own narrative identity and dozens of hours of content. A full playthrough lasts between thirty and one hundred hours, and the modding communities have produced monumental conversions such as Kaiserreich, The Great War Redux, or Old World Blues. The engineers collaborated with historians specializing in interwar military doctrine to correctly model the Blitzkrieg, Soviet positional warfare, and the American island-hopping strategy in the Pacific. The in-house Clausewitz engine calculates in real time the movements of millions of virtual soldiers and logistical flows. Through successive expansions — Together for Victory, Waking the Tiger, Man the Guns, La Résistance, No Step Back, By Blood Alone, Arms Against Tyranny — the game has evolved into an expanding platform. It has become a reference point for understanding the logistical and industrial stakes of total war.