Hearts of Iron IV is available now on Steam and Paradox Plaza for Linux, Mac and Windows PC. While you up arms in defence of your country, or sign up to impose your ideology on a hostile world. Brings a number of their World War II themed songs for a special Hearts of Iron music pack now available for purchase. Poland: United and Ready which also releases as a free download for all customers on Linux, Mac and Windows.Īlso, the heavy metal band Sabaton, a popular group in the studio. Hearts of Iron IV is is being available alongside the first minor power National Focus DLC. Change History: Can you bring the mighty Soviet Union to its knees? Get to Berlin by 1942? Build an alternate American empire in South America.While you learn new military doctrines and unlock the mysteries of the atom and computing