HOI4 performance get bad in mid-late war for different reason. One reason because AI spam too many Division. But I find mod that help improve performance slightly. It called MI3 series by MCN on Steam. MI2 is old series. MI3 is being work on but not complete yet. MI3 mod improves performance and I think makes unique Infantry/Truck/Tank model for all nation. It also have two mods for 2D art in Research Trees to match 3D art. MI3 not have aircraft or ship mod though. Maybe he do that later.
Basically, this mod is about 30% lighter in graphics, hopefully speeding up load times for users significantly (over 150mb saved). I have edited the files to remove unnecessary small details to streamline things and save hundreds of megabytes. While load times should be significantly faster, you should really not notice much, if any, difference between MI3 and MI2 (other than better performance).
These three mods will (when released) replace all of my other MI and MI2 mods, as it will be a lot easier to update 3 mods than 20+.
steamcommunity.com
Basically, this mod is about 30% lighter in graphics, hopefully speeding up load times for users significantly (over 150mb saved). I have edited the files to remove unnecessary small details to streamline things and save hundreds of megabytes. While load times should be significantly faster, you should really not notice much, if any, difference between MI3 and MI2 (other than better performance).
These three mods will (when released) replace all of my other MI and MI2 mods, as it will be a lot easier to update 3 mods than 20+.
Steam Workshop::MI3 - Compatible mods
Steam Workshop: Hearts of Iron IV. These are all of the mods that I have made that will work with the MI3 collection. It may not be efficient until I get all three of the MI3 mods up, but shows you what you would or would not need to
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