Start in 1910 with one of the Major Countries of this time and fight through the series of events that lead the world in the first bloodest confict: the First World War.

Become a member of the Triple Entente or of the Central Powers and help your side in the Great War.

From the French-German border, the Balkans Wars, the Russian Revolution and more to come, this complete overhaul mod includes a new map, new events, new leaders, new governments, new units, new tech tree, new game mecanics and improved AI.

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RSS Articles

Hello Guys!

Today we released a Major Update for the Mod, one of the biggest update made with a complete New Interwar Scenario! 🥳

You can start in 1919 in an unpredictable shaken world just after the Treaty of Versailles! Among the changes, you'll discover a complete National Focus Tree for Poland as well as many technologies, events and ahistorical opportunities! The Polish-Soviet War, the Turkish War of Independence and the Russian Civil War haven't been forgotten!

We strongly recommend you to play Poland to better appreciate the situation and all the new things brought by this update. The Soviet Russia, the White Russia and the Weimar Republic can be interesting too but we accorded a special attention to the country of Józef Piłsudski!

The complete Changelog is available here.

We hope you will enjoy this new update and thanks again for your support since so many years. Have fun!

For those who wants to support us, we are currently developing our own WW1 Grand Strategy game: Fields of History: The Great War 💪

Special Announcements for the Centenary of the Armistice

Special Announcements for the Centenary of the Armistice

News 3 comments

Special Announcements for the Centenary of the Armistice.

D-Day Anniversary and Open Beta 0.5.3

D-Day Anniversary and Open Beta 0.5.3

News 4 comments

Some news about the development of Hearts of Iron IV: The Great War

Open Beta 0.5.1

Open Beta 0.5.1

News 5 comments

Some news about the development of Hearts of Iron IV: The Great War

First Anniversary of the Mod and Release of Open Beta 0.5

First Anniversary of the Mod and Release of Open Beta 0.5

News 3 comments

Some news about the development of Hearts of Iron IV: The Great War

RSS Files
The Great War - Open Beta 0.10.3 "The Aftermath of Versailles"

The Great War - Open Beta 0.10.3 "The Aftermath of Versailles"

Full Version 1 comment

Hearts of Iron IV: The Great War - Open Beta 0.10.3 "The Aftermath of Versailles" (15 June 2020)

The Great War - Open Beta 0.10.2 "The Aftermath of Versailles"

The Great War - Open Beta 0.10.2 "The Aftermath of Versailles"

Full Version 11 comments

Hearts of Iron IV: The Great War - Open Beta 0.10.2 "The Aftermath of Versailles" (6 May 2020)

The Great War - Open Beta 0.10.1 "The Aftermath of Versailles"

The Great War - Open Beta 0.10.1 "The Aftermath of Versailles"

Full Version 12 comments

Hearts of Iron IV: The Great War - Open Beta 0.10.1 "The Aftermath of Versailles" (8 April 2020)

The Great War - Open Beta 0.10 "The Aftermath of Versailles"

The Great War - Open Beta 0.10 "The Aftermath of Versailles"

Full Version 19 comments

Hearts of Iron IV: The Great War - Open Beta 0.10 "The Aftermath of Versailles" (2 April 2020)

The Great War - Open Beta 0.9.2a

The Great War - Open Beta 0.9.2a

Full Version

Hearts of Iron IV: The Great War - Open Beta 0.9.2a (19 March 2020)

The Great War - Open Beta 0.9.2

The Great War - Open Beta 0.9.2

Full Version

Hearts of Iron IV: The Great War - Open Beta 0.9.2 (17 March 2020)

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DOBO87
DOBO87

will you please fix //MTG naval// to give the original generic ship hulls please

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TemuchinHanHarzlery
TemuchinHanHarzlery

Maybe Finland should be made the dominion of Russia? All the same, she had her own currency, army, and even customs with Russia. En.wikipedia.org

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gabrielencarnacion1
gabrielencarnacion1

How can I apply a radar to vessels? I tried with German and even English ships but doesn't appear anything. Why is it?

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WolferosTeam Creator
WolferosTeam

Even if the first primitive radar system was born in 1904, it's only in 1935 (thanks to Robert Watson-Watt) that a first successful test was made for a real radar system.

Now, it could be a good idea for an alternate history let people research it sooner in the Interwar period.

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WolferosTeam Creator
WolferosTeam

Following the release of the 1.9.2 patch for Hearts of Iron IV we have released a new update (Open Beta 0.10.2) for The Great War Mod.

You can download it here: Moddb.com
Changelog here: Steamcommunity.com

For those who wants to support us, we are currently developing our own Grand Strategy game, Fields of History: The Great War Support us in this new Project via Patreon.com

Cheers!

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DOBO87
DOBO87

will you please fix //MTG naval// to give the original generic ship hulls please

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Highest Rated (3 agree) 9/10

A great mod and I'd give it a 10 if it was finished. It's still technically is a 10, but some miner issues need to be worked around.

Dec 1 2016 by AthelasProject14

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Latest tweets from @wolferosprod

RT @MilHistNow: RIGHT NOW in 1914, the Archduke Franz Ferdinand and his wife Sophie are fatally shot in Sarajevo by a 19-year-old S… T.co

Jun 28 2020

RT @WW1_Series: #WarHorseWednesday: Members of the Soviet 1st Cavalry Army during the Polish-Soviet War, 1920. T.co

Jun 24 2020

¡ Muchas Gracias @adefonsusrex ! T.co

Jun 15 2020

We've just put online the Open Beta 0.10.3 of The Great War #Mod for Hearts of Iron IV 😉 You can read the Changelog… T.co

Jun 15 2020

RT @WW1_Series: Saturday we published our episode about the Treaty of Trianon between the Allies and Hungary. Some say it's the mos… T.co

Jun 15 2020

Our new Devlog about integration of Politicians into Fields of History: The Great War is now available for all! Vi… T.co

Jun 13 2020

RT @The_RE_LE: Today, on 6 June 1944, thousands of incredibly brave Allied Forces personnel began the liberation of Europe, by inv… T.co

Jun 6 2020

If you've always wondered how Politicians would be integrated into Fields of History: The Great War, come take a lo… T.co

Jun 5 2020

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