Hearts of Iron IV

Hearts of Iron IV

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"Un-research" mutually exclusive technologies
Is there a way to "remove" a research? I tried the "research all" command but I don't want to have all mutually exclusive trees researched, only one. Is there a way to undo some research?
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Showing 1-13 of 13 comments
MadCrazyEagle Mar 1, 2019 @ 8:22am 
I am talking about doctrines for example.
BobbyDisastrous Mar 1, 2019 @ 9:56am 
Just start researching the other tree?
Galactic Origins Mar 1, 2019 @ 10:52am 
I think if you only have the first doctrine in a tree researched you can jump to another tree by researching that first tech in that tree. never tried myself but it is possible I think.
Luchs Mar 1, 2019 @ 10:59am 
when it comes to doctrine you can always swap them out for others if you research the begining one... do note when you switch you lose all of the perks of your first doctrine
Xherdos Mar 1, 2019 @ 11:49am 
maybe use the cheat research_on_icon_click ?
MadCrazyEagle Mar 1, 2019 @ 12:14pm 
Originally posted by Xherdos:
maybe use the cheat research_on_icon_click ?

I tried that (research_on_icon_click) but it is long to do for every game start.
MadCrazyEagle Mar 1, 2019 @ 12:20pm 
I tried researching another tree... but it is already researched so can't swap. I'm stuck with all the doctrines researched.
I'm not sure how to share an image of the situation. Tell me if the link below works.
EDIT(New Link)
https://steamcommunity.com/sharedfiles/filedetails/?id=1670132911
Last edited by MadCrazyEagle; Mar 1, 2019 @ 12:24pm
MadCrazyEagle Mar 2, 2019 @ 9:47am 
Someone?
TZTB Dec 4, 2020 @ 9:01am 
no
TZTB Dec 4, 2020 @ 9:01am 
Originally posted by MadCrazyEagle:
Someone?
no
hamburglar (real) Jul 20, 2021 @ 8:42pm 
Originally posted by ChunkyDevil:
Originally posted by MadCrazyEagle:
Someone?
no
Chunky you replied almost 2 years late.
Greetings, yes, it is possible via modding the savegame.
Find your country under "countries={" and remove the specific techs you want to get rid in "technology={"

Example:
-Before:

countries={
GER={
instances_counter=2275
technology={
technologies={
early_ship_hull_light={
level=1
research_points=150.000
date="1936.1.1.12"
}
basic_ship_hull_light={
level=1
research_points=150.000
date="1936.1.1.12"
}
smoke_generator={
level=1
date="1938.11.17.1"
}
basic_depth_charges={
level=1
research_points=150.000
date="1936.1.1.12"
}
improved_depth_charges={
level=1
date="1939.9.3.1"
}
-After:

countries={
GER={
instances_counter=2275
technology={
technologies={
early_ship_hull_light={
level=1
research_points=150.000
date="1936.1.1.12"
}
basic_ship_hull_light={
level=1
research_points=150.000
date="1936.1.1.12"
}
smoke_generator={
level=1
date="1938.11.17.1"
}
try research_on_icon_click and click both
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Date Posted: Mar 1, 2019 @ 7:58am
Posts: 13