The mod was originally for Hearts of Iron II but has been extensively updated for Darkest Hour (specifically version 1.03 and later). You can find it and installation instructions on the Paradox Interactive Forums . Mods and modding - Hearts of Iron 2 Wiki
While the standalone game Darkest Hour: A Hearts of Iron Game darkest hour modern day mod top
The Modern Day Scenario mod brings the complex, slider-based management of Darkest Hour into the 21st century. It typically covers a timeline starting in the early 2000s, featuring updated tech trees, units, and geopolitical realities like the rise of China, the War on Terror, and the North Atlantic Treaty Organization (NATO). The mod was originally for Hearts of Iron
: Unlike some modern-day mods for newer games that feel "bloated" with UI elements, MDS for Darkest Hour utilizes the game's robust slider system and tech teams to represent modern social and economic policies effectively. It typically covers a timeline starting in the
) is a total conversion mod that brings the mechanics of the Darkest Hour standalone game into the 21st century. Core Gameplay & Features Modern Setting