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.
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Crusader Kings II
Grand StrategyEurope 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...
Europa Universalis IV
Grand StrategyGives 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...
Victoria II
Grand StrategyCarefully guide your nation from the era of absolute monarchies in the early 19th century, through expansion and colonization, to finally become a truly...
Hearts of Iron IV
Grand StrategyThe ultimate WWII strategy game From the heart of the battlefield to the command center, you will guide your nation to glory and wage war, negotiate or...
Europa Universalis III: Chronicles
Grand StrategyEuropa Universalis III: Chronicles includes the award-winning epic strategy game where players take control of a nation and guide it through the ages...
Hearts of Iron III: Their Finest Hour
Grand StrategyVictory 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...
Victoria II: A House Divided
Grand StrategyCarefully guide your nation from the era of absolute monarchies in the early 19th century, through expansion and colonization, to finally become a truly...
Sengoku - Way of the Warrior
Grand StrategyRise 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...
Europa Universalis III: Divine Wind
Grand StrategyAt the demand of the devout fanbase, this is the 4th expansion of the classic historical strategy game Europa Universalis III. Enhancing every aspect...
Europa Universalis III
Grand StrategyEuropa Universalis III delves deeply into the areas of exploration, trade, warfare and diplomacy. This epic strategy game lets players take control of...
Hearts of Iron III: Semper Fi
Grand StrategyThe first expansion to the critically acclaimed Hearts of Iron III
Europa Universalis: Rome
Grand StrategyExperience one of the most defining periods in world history in an experience crafted by the masters of Grand Strategy. The greatest cultural and military...
Crusader Kings II: Legacy of Rome
Grand StrategyTake 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
Grand StrategyThe 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
Grand StrategyThe 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
Grand StrategyThe 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...
Hearts of Iron III
Grand StrategyHearts 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: For the Motherland
Grand StrategyIt’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...
March of the Eagles
Grand StrategyRise 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...
Hearts of Iron III: Dies Irae Götterdämmerung
Grand StrategyDies 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...
Mod SDK & Community
Built a game for Clausewitz Engine and want to support mods? Try mod.io, a cross-platform mod SDK created by IndieDB which makes it easy to get a mod community up and running in-game. Currently seeking games to integrate and promote
Popular Games
Hearts of Iron IV
Grand Strategy
Crusader Kings II
Grand Strategy
Europa Universalis IV
Grand Strategy
Hearts of Iron III: Their Finest Hour
Grand Strategy
Victoria II
Grand Strategy
March of the Eagles
Grand Strategy
Victoria II: A House Divided
Grand Strategy
Europa Universalis III
Grand Strategy
Hearts of Iron III
Grand Strategy
Sengoku - Way of the Warrior
Grand Strategy