The Great War

The Great War Mod for Hearts of Iron IV: Rewrite History in WWI’s Fiercest Battles

Hearts of Iron IV: The Great War is a thrilling fan-made overhaul that plunges players into the gritty, high-stakes era of World War I. Unlike the vanilla game, this mod lets you navigate the complex web of alliances, rivalries, and rapid technological advances that defined the early 20th century. As you lead your chosen nation through the trenches of Europe or the revolution-riddled lands of Asia and beyond, every decision carries weight, and every battle could shift the balance of power.

Designed to be both a tribute to history and a sandbox of “what-if” scenarios, The Great War Mod is an impressive, historically rich expansion that captures the unique strategies, hardships, and innovations of the First World War. For those who love the challenge of Hearts of Iron IV, this mod offers a deeper, more immersive experience where you’ll make history or rewrite it entirely.

A Closer Look: Unique Gameplay Features of The Great War Mod

With The Great War Mod, Hearts of Iron IV moves into uncharted territory. Gone are the sweeping tank blitzes and global alliances that characterize WWII. In their place, trench warfare and fierce battles for inches of ground define the struggle. Whether you want to follow history’s script or carve a new path, the mod is packed with engaging features:

• Starting Scenarios and Detailed National Focus Trees: Step in at 1910 to navigate the Balkan crises, or dive straight into 1914 with the outbreak of the Great War. Each nation has a unique National Focus Tree, with expanded paths for superpowers and smaller nations alike, allowing players to follow historical events or explore alternative histories.
• Authentic Combat Mechanics and Weaponry: With trench systems, gas warfare, and technologies like armored cars and zeppelins, the mod mirrors the slow, strategic pace of WWI. Players will need to carefully balance offense and defense while developing cutting-edge technology that will eventually lead to victory—or disaster.
• Historical and “What-If” Events: From the assassination of Archduke Franz Ferdinand to revolutions in China, Mexico, and Russia, the mod is packed with historical detail. You’ll have the freedom to replay these moments as they happened—or change history’s course entirely by preventing key events or altering alliances.
• Enhanced 3D Models and Units: The mod includes new 3D models for infantry, tanks, planes, and other units, bringing the unique look and feel of WWI to life. March your armies into battle equipped with the technologies and tactics that shaped the era.

Stunning Graphics and Realism

One of The Great War Mod’s standout features is its attention to visual and mechanical realism. New unit models for infantry, tanks, and planes add an extra layer of immersion, while the mod’s sophisticated trench mechanics and slow, deliberate pacing replicate the intense battles of WWI. The sound effects and tactical depth make every battle feel like a fight for survival, ensuring hours of captivating gameplay.

How to Download and Install Mod for Hearts of Iron 4?

If you've downloaded the "The Great War" mod for Hearts of Iron 4 but aren't sure how to install it, don’t worry. Our website has a detailed guide on how to install mods for Hearts of Iron 4.

For advanced users: simply copy all files and folders from the archive into the folder located at Documents\Paradox Interactive\Hearts of Iron IV\mod and enable the mod in the game launcher.