Hearts of Iron 4 Mods

Hearts of Iron IV – Extra

HoI4 Extra for Hearts of Iron IV

What is this mod about?

The purpose of this mod is to give the player a little extra technology, and a little more time to play with it.
First thing’s first, I’ve extended the end game date to 1965.
Second, this mod is under development, so I haven’t yet added everything I want to add.
Third, I’ll keep to vanilla as much as possible. The goal is to add extra stuff, not change everything.


Added 1948 and 1952 ship hulls for all ship classes.
All new super carrier hull.
Custom icons for nuclear submarine and super carrier.
Naval nuclear reactors for different ships which can be researched in the tech tree.
More powerful engines for later development.
New batteries for use on all ships.
Next level armor for cruisers and battleships
New infantry weapons and equipment.
Extended timeline for support companies.
New motorized and mechanized equipment.
New special forces training.

See CHANGE NOTES for more details.


Rest of the tech tree.


Anything that touches tech tree, or equipment is likely to be incompatible!

Stuff like player led peace conferences and puppet manager should be OK.

Credits: vukica

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