Hearts of Iron IV

Hearts of Iron IV is a war strategy video game developed and published by Paradox Interactive. It is the sequel to Hearts of Iron III and part of the Hearts of Iron series of grand strategy games focusing on World War II.

Unlike previous games, the war is not only on the land. Players are able to complete combat on the seas and in the air. This is in addition to non-combat warfare such as international trade relations or takeovers of laboratories, factories, etc.