Hearts of Iron IV: Trial of Allegiance

About

Write new alternate histories of the globe’s most dramatic conflict in Trial of Allegiance , a new country pack for Hearts of Iron IV . Explore and dominate a world where the strife of the Second World War threatens the safety and security of South American nations.

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1079 reviews
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Developer:
Paradox Development Studio
Publisher:
Paradox Interactive
Release date:
07 March 2024
Recent Steam reviews:
Mostly Positive (11)
All Steam reviews:
Mostly Negative (1079)

Game features

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Description


Write new alternate histories of the globe’s most dramatic conflict in Trial of Allegiance, a new country pack for Hearts of Iron IV. Explore and dominate a world where the strife of the Second World War threatens the safety and security of South American nations. Build a regional superpower to counter the rising global powers, or join the war early, taking your chances with one of the major ideological blocs. South America is rich in resources and manpower - can you lead Argentina, Brazil or Chile to a glorious alternate future?

Hearts of Iron IV: Trial of Allegiance includes:
  • National Focus Tree for Brazil:

    Challenged by a decade of internal strife and constitutional crises, Brazil can follow the historical path as a late but valuable member of the Allied cause. Alternately, seek continental hegemony under a new government with new priorities.
  • National Focus Tree for Argentina:

    Rife with corruption, revolts and worker unrest, Argentina presents a difficult political challenge. Once you’ve settled the problems at home, you can contribute more on the world stage and help this nation reach its full potential.
  • National Focus Tree for Chile:

    Chile is a vigorous republic with a radical tradition that must face domestic fascist parties, the embers of ethnic unrest and the imposing influence of the United States. Chart a course of equality and renewal, rallying under the banner of continental unity.

  • Paraguay and Uruguay:

    Minor content as well as several new releasable nations.
  • New Art:

    New 3D unit sprites for the Brazilian army, as well as new unique 2D art for National Focus trees and units
  • New Music:

    Six new songs, with two each for the major nations in the pack.
  • New Voiceovers:

    Voiceovers in Brazilian Portuguese, Argentinian Spanish and Chilean Spanish.

User reviews

SlashedAnimal
Not recommended | 28 Nov 2025

This is the worst DLC for the Game. Despite it being a country pack meant to add flavor into the game its lacking in flavor. All countries included in this DLC share Military Branches with slight modifications, Multiple

Helpful: 25
Redux
Recommended | 05 Mar 2026

I actually quite like this dlc. I think it would have been better to provide focus trees for ecuador, peru, columbia and venezuela and I do have good ideas for them. The dlc is one of the weaker ones in the pile but

Helpful: 15
Sacripanta Bestial
Recommended | 19 Nov 2025

Really interesting and fun DLC, in general. Keyword being: "fun". You know why? Because you can properly play the game and have controlled, regional wars and expand without having to f*ing go for a Sealion operation for

Helpful: 13
GearsHipster
Not recommended | 21 Dec 2025

At some point I turned it off to play, since it disturbs the normal game when you want to defeat the allies and chile or brasil become majors and you either naval invade across the atlantik or fight all the way down

Helpful: 17
Snizzlet
Not recommended | 30 Oct 2025

It's just not very good. Wait for an at least 50% sale... which, going by PDX trends, should be 5 years after release, or 2029.

Helpful: 16
Bobchop
Not recommended | 22 Nov 2025

Too expensive. AI is able to take advantage of the DLC even if you don't have them purchased, so Paradox is constantly reminding you of what you're missing out on as you capture customized and superior enemy equipment

Helpful: 10