Important pages



About this game


Hearts of Iron IV is the sequel to Paradox Development Studio's game Hearts of Iron 3. It covers the time period from 1936 to 1948, focusing on the buildup to the Second World War and the war itself. This Hearts of Iron 4 Wiki is intended as a repository of Hearts of Iron 4 related knowledge, useful for both new and experienced players as well as for modders.


Want to help improve the wiki?


Anyone can contribute to the wiki. If you want to become a contributor please register (though you can also edit anonymously), and check out the work needed page. If you spot anything in need of improvement, don't hesitate to make an edit. If you plan on making any major changes it is recommended you read the Event trigger.pngstyle guidelines first. To help with the translations see the information on the translations page.


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Game history
Video Diaries
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