Mod «Winter Wars: A Scandinavian Expansion» for Hearts of Iron 4 (v1.12.1 - 1.12.8)

Winter Wars: A Scandinavian Expansion

Welcome to the Winter Wars Mod! I made this mod over the course of several months, complete with research. I tried hard to make it so that it corresponded as closely to Paradox's design values as possible. If you have any questions, bug reports, or recommendations, please let me know!

Winter Wars is an expansion pack style mod for the Scandinavian countries of Denmark, Iceland, Sweden, Norway, and Finland, complete with unique focus trees and events as well as an upgraded historical roster. Where there were no historical facts available (Icelandic tanks for example) I went ahead and gave them some plausible sounding names.


Coming out of the Great War relatively unscathed, Denmark believes that its strong trade ties to Britain and Germany will keep them safe. They have down-scaled their military with a philosophy known as "Defenceless Neutrality" spearheaded by Peter Munch, arguing that Denmark would stand no chance in any sort of military situation, and as such should not provoke their neighbors by having a strong military. Due to this philosophy, the Danish military is modern, but severely underfunded and underequipped. In southern Jutland, the DNSAP works under Frits Clausen to push for the reconquest of Schleswig-Holstein, and in the cities, the communists fragment as the party splits between those who support the Comintern, and those who look instead towards a truly stateless society.


Iceland has recently been granted Home Rule by the Danish, and their desire for independence only grows stronger. Although few in number, the Icelandic people will defend their homeland with everything they have, but they have little interest in the outside world, and have no intention of being drawn into any foreign conflicts. However, there are those who wish otherwise. The squabbling leaders of the Nationalist Party look to Germany for guidance. Meanwhile, others meet to discuss how to better convince the population to join with the Soviets.


Although Norway did not officially choose a side in the Great War, they are often called the Neutral Ally for their trade policies towards Britain. Now, as war again draws to Europe, Norway will again have a choice to make. Do they support the British, or the Germans? For both seemed prepared to invade at any moment. Fighting against the mold is Vidkun Quisling, the philosophical minded leader of the Norwegian Nasjonal Samling (NS) party. However, his party is held back by internal friction between its members, and should he wish to gain power without foreign help, this will need to be quelled. In certain meetings across the country, angry debates are held as the communists fight over whether or not to join the Comintern, and should they gain traction, they will first have to deal with this issue.


Sweden is dedicated to keeping the status quo. Arguably the most powerful Scandinavian nation, Sweden must make a choice. Do they defend their neutrality at all costs? Or have those on its borders made one step too many. Inside this country politics are different than what they portray outside. The king has had the last of his executive authority removed, and there are rumblings for not only a return to old values, but also to reject the current status quo in favor of a more radical approach.


Staring down the Bear, Finland has recently come out of not only a civil war, but an attempted fascist coup. Their military is well trained and strong, but they lack the resources to fight if and when the Soviets attack. If they wish to survive, Finland must turn to the outside world, and find its allies. All that remains is for them to decide who those allies might be.

  • Updated Soviet AI in events/Finland.txt to not make peace if Operation Poro was activated; thanks to Küs for suggestion.

Version 02.12.22 for Hearts of Iron 4 (v1.12.1 - 1.12.6)

  • Sweden and Norway now properly receive their planes.
  • Norway now actually has access to the Scimitar.


Version 12.03.22 for Hearts of Iron 4 (v1.11.1 - 1.11.9)

  • Bugfixes
  • Sweden now receives Halgen II Class submarines at start as was intended.


Version 13.01.22 for Hearts of Iron 4 (v1.11.1 - 1.11.4)

  • Updated to change doctrine cost from -100% to -99% when applicable since the -100% cost reduction was not working properly.


Version 08.06.21 for Hearts of Iron 4 (v1.10.1 - 1.10.7)

  • Democratic Norway can now send volunteers, with thanks to Dr. Joto.


Version 23.12.20 for Hearts of Iron 4 (v1.10.1 - 1.10.3)

  • Denmark should hopefully no longer uncapitulate before their civil war fires in rare cases
  • Free Denmark can no longer give Occupied Denmark factories
  • Denmark national focus code updated in a couple areas. Nothing changed, code is just better.


Version 30.11.20 for Hearts of Iron 4 (v1.10.1 - 1.10.3)

  • Niels Iuel and Herluf Trolle classes updated to be more accurate to history
  • Fixed issue where Iceland would not join the Axis upon completing Operation Ikarus
  • Finnish armoured cars now properly have names
  • Swedes now have their own cars rather than nicking the Finnish ones
  • Focus trees updated for more modern functionality. (Internal scripting mostly, makes it easier to read/more efficient)
  • Countries should now be able to do some focuses when capitulated. Up from 0 focuses previously.
  • Danish Experimental CAS focus is now 35 days instead of 70


Version 01.06.20 for Hearts of Iron 4 (v1.9.0 - 1.9.3)

  • Small fix to the Anarchist Denmark supports Anarchist Spain event chain.


Version 04.04.20 for Hearts of Iron 4 (v1.9.0 - 1.9.1)


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Turkeyy/balkan pleaseee