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For information on the structure and making of mods, see modding

A Mod, short for modification, is an alteration of the game files to change the game's functionality.


Mods can be installed manually from sources such as the Paradox Forums, or installed automatically via the Steam Workshop.

The folder that stores mods for the game is

  • Windows: ...\Documents\Paradox Interactive\Hearts of Iron IV\mod\
  • GNU/Linux: ~/.local/share/Paradox Interactive/Hearts of Iron IV/mod/
  • Mac: ~/Documents/Paradox Interactive/Hearts of Iron IV/mod/

Manually downloaded mods should include a .mod text file along with a folder. If so, the files can simply be dropped into the mod file. If one is downloading a newer version of a mod they already have installed, one should remove the older files first.

Mods with Wiki pagesEdit