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2024年10月4日 · Write new alternate histories of the globe’s most dramatic conflict in Trial of Allegiance, a new country pack for Hearts of Iron IV. Explore and dominate a world where the strife of the Second World War threatens the safety and security of South American nations.

2024年10月3日 · Brace yourself for the gathering storm and write a new history of the world’s most dangerous years in Götterdämmerung, a new expansion for Hearts of Iron IV, coming on November 14. This addition to Paradox Interactive’s popular strategic wargame focuses on the key player of the Second World War - the Germany Reich.

2025年1月10日 · Special Projects are research projects carried out in Experimental Facilities, a new province-based building type. Experimental Facilites employ Scientists who passively contribute to breakthroughs, a resource needed to start new Special Projects. Breakthrough progress is also made by researching specific technologies.

2024年10月3日 · Build a new empire, resist foreign aggression or explore the limits of neutrality in Hearts of Iron IV: By Blood Alone. This new expansion for the World War II grand strategy wargame adds new alternate history options and gameplay variety for three nations, as well as other significant changes.

Write new alternate histories of the globe’s most dramatic conflict in Trial of Allegiance, a new country pack for Hearts of Iron IV. Explore and dominate a world where the strife of the Second World War threatens the safety and security of South American nations.

Build the industrial and research foundation to survive the world’s greatest conflict In Hearts of Iron IV: Götterdämmerung. In this expansion, players can write new histories of Germany, Austria and Belgium. Pursue exciting new research and military options, opening new paths for devastating new weapons and dramatic raids on strategic targets.

2024年11月14日 · Hearts of Iron IV is a grand strategy wargame developed by Paradox Development Studio and published by Paradox Interactive. This community wiki's goal is to be a repository of Hearts of Iron IV related knowledge, useful for both new and experienced players and for modders. Want to help improve the wiki? Anyone can contribute to the wiki.

2025年3月3日 · Command and the Quartermasters have arranged for some of you to win your very own HOI... We have updated our Community Code of Conduct . Please read through the new rules for the forum that are an integral part of Paradox Interactive’s User Agreement.

Updates, events, and news from the developers of Hearts of Iron IV.