Europa Universalis IV: Art of War is a massive expansion for the acclaimed grand strategy title, Europa Universalis IV. Released by Paradox Development Studio, this expansion serves as one of the most extensive overhauls to the base game's mechanics since its initial launch. While the title might suggest a focus on Eastern military doctrine, the expansion delivers significant depth to both the European theater and the global landscape, introducing much-needed complexity to warfare, diplomacy, and religious conflict.

A Massive Expansion of the World Map

One of the most striking features of Europa Universalis IV: Art of War is the sheer scale of its geographical update. The expansion introduces a larger world map featuring over 900 new territories, significantly enhancing the historical accuracy and dimension of the game's playable period. This isn't just a cosmetic change; the addition of these territories provides a much richer landscape for players to navigate.

To complement this expanded geography, the DLC introduces 100 new nations. These additions are particularly concentrated in Asia, Africa, and North and South America, allowing players to engage with much deeper historical narratives outside of the traditional European power struggles. This makes the expansion an essential tool for those looking to expand their reach far beyond the borders of Europe.

Revolutionizing Warfare and Diplomacy

As the name implies, the military systems received a major portion of the improvements in this release. The expansion focuses on improving military management and tactical efficiency through several key mechanics:

  • Army and Navy Templates: Players can now create templates for recruiting armies and navies, allowing for much greater efficiency when managing large-scale military forces.
  • New Vassal Dynamics: The expansion introduces "marches," a unique type of vassal that remains autonomous but provides boosts to manpower and defense, albeit at the cost of being unable to be annexed or pay taxes.
  • Client States: Diplomacy has been deepened with the ability to create client states, adding a new layer to how powerful nations exert influence over weaker territories during the later stages of a campaign.
  • Province Autonomy: Players now have more granular control over their empire by increasing or decreasing autonomy within specific provinces.

Religious Conflict and the Thirty Years' War

The expansion brings intense religious drama to the forefront, specifically focusing on the Reformation period. The mechanics surrounding the spread of Protestantism have been refined through the introduction of "centers of Reformation," which allows the religion to spread more logically based on geographical proximity rather than random chance.

This religious tension culminates in one of the expansion's most significant features: the Thirty Years' War. As the religious divide between Catholicism and Protestantism grows, two distinct Leagues are formed. Players can choose to join or even lead a League, potentially triggering massive European wars for religious supremacy. The outcome of these conflicts has lasting consequences, as the victorious religion will gain control over the Holy Roman Empire and its electors.

Who is this expansion for?

Europa Universalis IV: Art of War is designed for veteran grand strategy players who find the base game's mid-to-late game period lacking in tension. It appeals to those who enjoy complex political maneuvering, deep diplomacy, and large-scale military management. If you seek a more dynamic European landscape and a more organized, impactful religious struggle, this expansion provides the tools necessary to transform your historical campaigns.

Note: This content requires the base game Europa Universalis IV on Steam in order to play.