Originally developed for Europa Universalis III, it has been used in every game developed by Paradox Development Studio since. The engine provides a 3D view of part or the totality of the world map, depending on the played game. In 2012 it was announced that Europa Universalis IV will be the first game utilizing the Clausewitz 2.5 engine.

Summary List Games
Crusader Kings II
Crusader Kings II

Crusader Kings II

4 months ago Released Feb 13, 2012 Single & Multiplayer Grand Strategy

Europe is in turmoil. The lands are fragmented into petty fiefs, the emperor struggles with the Pope, and the Holy Father declares that all those who...

Crusader Kings II: Legacy of Rome
Crusader Kings II: Legacy of Rome

Crusader Kings II: Legacy of Rome

6 months ago Released Oct 16, 2012 Single Player Grand Strategy

Take control of the Byzantine Empire - the Greek continuation of the Roman Empire - as well as on the Orthodox Church in the second expansion pack for...

Crusader Kings II: Sunset Invasion
Crusader Kings II: Sunset Invasion

Crusader Kings II: Sunset Invasion

6 months ago Released Nov 15, 2012 Single & Multiplayer Grand Strategy

The first fantasy scenario ever introduced to a Paradox Interactive strategy game. Featuring a treasure trove of new features that would make Montezuma...

Crusader Kings II: Sword of Islam
Crusader Kings II: Sword of Islam

Crusader Kings II: Sword of Islam

6 months ago Released Jun 26, 2012 Single & Multiplayer Grand Strategy

The Ummah is under attack. All true Muslims must be charitable in peace and relentless in Jihad. Let the Sword of Islam fall upon the infidels that threaten...

East vs. West: A Hearts of Iron Game
East vs. West: A Hearts of Iron Game

East vs. West: A Hearts of Iron Game

1 year ago Released Jun 30, 2013 Single & Multiplayer Grand Strategy

The arms race intensifies as East and West fights for global dominance. The threat of World War III can mean the end of the world as we know it. You must...

Europa Universalis III
Europa Universalis III

Europa Universalis III Indie

11 months ago Released Jan 21, 2007 Single & Multiplayer Grand Strategy

Europa Universalis III delves deeply into the areas of exploration, trade, warfare and diplomacy. This epic strategy game lets players take control of...

Europa Universalis III: Chronicles
Europa Universalis III: Chronicles

Europa Universalis III: Chronicles Indie

1 year ago Released Mar 20, 2011 Multiplayer Grand Strategy

Europa Universalis III: Chronicles includes the award-winning epic strategy game where players take control of a nation and guide it through the ages...

Europa Universalis IV
Europa Universalis IV

Europa Universalis IV

5 months ago Released Aug 13, 2013 Single & Multiplayer Grand Strategy

Gives you control of a nation to guide it through the years of early Colonialism and create a dominant global empire and will provide you unprecedented...

Europa Universalis: Rome
Europa Universalis: Rome

Europa Universalis: Rome

1 year ago Released Apr 14, 2008 Single, Multiplayer & Co-Op Grand Strategy

Experience one of the most defining periods in world history in an experience crafted by the masters of Grand Strategy. The greatest cultural and military...

Hearts of Iron III
Hearts of Iron III

Hearts of Iron III Indie

4 months ago Released Aug 4, 2009 Single & Multiplayer Grand Strategy

Hearts of Iron III lets you play the most engaging conflict in world history, World War 2, on all fronts as any country and through multiple different...

Hearts of Iron III: Dies Irae Götterdämmerung
Hearts of Iron III: Dies Irae Götterdämmerung

Hearts of Iron III: Dies Irae Götterdämmerung Indie

10 months ago Released May 11, 2011 Single & Multiplayer Grand Strategy

Dies Irae adds to the depth of playing Germany through World War 2. Specially designed events, mechanics and new graphics makes the Hearts of Iron experience...

Hearts of Iron III: For the Motherland
Hearts of Iron III: For the Motherland

Hearts of Iron III: For the Motherland Indie

5 months ago Released Jun 28, 2011 Single Player Grand Strategy

It’s time to dust off the field marshal's baton and take command of any nation in World War II; the largest conflict in history. This expansion to the...

Hearts of Iron III: Semper Fi
Hearts of Iron III: Semper Fi

Hearts of Iron III: Semper Fi

5 months ago Released Jun 5, 2010 Single & Multiplayer Grand Strategy

The first expansion to the critically acclaimed Hearts of Iron III

Hearts of Iron III: Their Finest Hour
Hearts of Iron III: Their Finest Hour

Hearts of Iron III: Their Finest Hour

4 months ago Released Sep 24, 2012 Single & Multiplayer Grand Strategy

Victory at all costs. It’s time to take command and lead your nation through World War II, the largest conflict in world history. Hearts of Iron III lets...

March of the Eagles
March of the Eagles

March of the Eagles Indie

10 months ago Released Feb 17, 2013 Single & Multiplayer Grand Strategy

Rise in power in the era of the Napoleonic Wars, the ten years of conflict in Europe between the years 1805 – 1820, and move on to claim the control of...

Sengoku - Way of the Warrior
Sengoku - Way of the Warrior

Sengoku - Way of the Warrior

1 year ago Released Sep 12, 2011 Single Player Grand Strategy

Rise to power in Feudal Japan with your Samurai family in the epic Grand Strategy Sengoku. In this deep character driven strategy game, you play as the...

Victoria II
Victoria II

Victoria II Indie

1 week ago Released Aug 11, 2010 Single & Multiplayer Grand Strategy

Carefully guide your nation from the era of absolute monarchies in the early 19th century, through expansion and colonization, to finally become a truly...

Victoria II: A House Divided
Victoria II: A House Divided

Victoria II: A House Divided Indie

4 months ago Released Feb 2, 2012 Single & Multiplayer Grand Strategy

Carefully guide your nation from the era of absolute monarchies in the early 19th century, through expansion and colonization, to finally become a truly...

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Release Date
Released Jan 23, 2007
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Crusader Kings II
Crusader Kings II Single & Multiplayer Grand Strategy
Hearts of Iron III: Their Finest Hour
Hearts of Iron III: Their Finest Hour Single & Multiplayer Grand Strategy
Europa Universalis IV
Europa Universalis IV Single & Multiplayer Grand Strategy
Victoria II: A House Divided
Victoria II: A House Divided Indie Single & Multiplayer Grand Strategy
Hearts of Iron III
Hearts of Iron III Indie Single & Multiplayer Grand Strategy
Crusader Kings II: Legacy of Rome
Crusader Kings II: Legacy of Rome Single Player Grand Strategy
Victoria II
Victoria II Indie Single & Multiplayer Grand Strategy
Europa Universalis III
Europa Universalis III Indie Single & Multiplayer Grand Strategy
March of the Eagles
March of the Eagles Indie Single & Multiplayer Grand Strategy
Europa Universalis: Rome
Europa Universalis: Rome Single, Multiplayer & Co-Op Grand Strategy