Hence this mod, which attempts to extend the tech tree towards 1950. Basic Tech Tree Extension for Hearts of Iron IVĪ tech tree extension that preserves balance and can be plugged into an existing game.Įver gotten annoyed at how everyone can decrypt everyone’s communications in the end game ? How technological development slows down from 1942 on, and comes to a dead stop at 1945 ? How there’s no space left to build new factories ? Well, me too.