Popular games built on game engine Clausewitz Engine

Rule your land and dominate the world with unparalleled freedom, depth and historical accuracy. Write a new history of the world and build an empire for the ages.

The Dark Ages might be drawing to a close, but Europe is still in turmoil. Petty lords vie against beleaguered kings who struggle to assert control over their fragmented realms. The Pope calls for a Crusade to protect the Christians in the Holy Land even as he refuses to relinquish control over the investiture of bishops - and their riches. Now is the time for greatness. Expand your demesne and secure the future of your dynasty. Fill your coffers, appoint vassals, root out traitors and heretics, introduce laws and interact with hundreds of nobles, each with their own agenda. A good lord will always need friends to support him. But beware, as loyal vassals can quickly turn to bitter rivals, and some might not be as reliable as they seem... Stand ready, and increase your prestige until the world whispers your name in awe. Do you have what it takes to become a Crusader King? Crusader Kings II explores one of the defining periods in world history in an experience crafted by the masters of Grand Strategy. Medieval Europe is brought to life in this epic game of knights, schemes, and thrones...

Victory is at your fingertips! Your ability to lead your nation is your supreme weapon, the strategy game Hearts of Iron IV lets you take command of any nation in World War II; the most engaging conflict in world history. From the heart of the battlefield to the command center, you will guide your nation to glory and wage war, negotiate or invade. You hold the power to tip the very balance of WWII. It is time to show your ability as the greatest military leader in the world. Will you relive or change history? Will you change the fate of the world?

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 civilizations are brought to life through this epic title rife with great strategic and tactical depth. Set during the golden age of the Roman Republic when the Senate ruled the Empire, Vae Victis features a massive number of additions and improvements to Europa Universalis: Rome, a game that was already one of the most prominent to depict that era in the widest scope. An overview of these key changes begins with government, which has received a lot of attention for the expansion in order to produce more fluid and balanced gameplay. The cast of historical characters of the ancient world have also had a significant overhaul across a variety of areas and with the addition of missions, decisions and laws.

Europa Universalis III delves deeply into the areas of exploration, trade, warfare and diplomacy. This epic strategy game lets players take control of a nation and guide it through the ages to become a great global empire. Unparalleled in its depth and historical accuracy, Europa Universalis III gives the player unprecedented freedom in how they choose to rule their nation from an impressive choice of over 250 historically accurate countries.

Explore a galaxy full of wonders in this sci-fi grand strategy game from Paradox Development Studios. Interact with diverse alien races, discover strange new worlds with unexpected events and expand the reach of your empire. Each new adventure holds almost limitless possibilities.

At the demand of the devout fanbase, this is the 4th expansion of the classic historical strategy game Europa Universalis III. Enhancing every aspect of the game to create an even deeper and more rewarding experience.

Use your power as a Feudal Lord to unite the land of the Rising Sun under your iron fist.

The strategy wargame March of the Eagles is dedicated to the era 1805-1820 focused on the dramatic conflicts of Europe. March of the Eagles explores one of the defining periods in European history in an experience crafted by Paradox Development Studio, the masters of Grand Strategy and makers of Hearts of Iron and Europa Universalis. The Napoleonic War is brought to life in this war-focused strategy game.

Welcome to Pax Britannica: An Imperial Timeline, an alternate history science fiction mod for Hearts of Iron 4.

Old World Blues is a total overhaul for Hearts of Iron IV: starting in the year 2275 and set in the Fallout universe. Experience the post-apocalypse like never before with a dynamic war system that ensures that the AI nations act on their own, respond to aggression, and strike when their opponents are weak. Forty seven national focus trees—ten of which are generic—keep the game exciting as numerous powers contest in a battle to control the Wasteland. With the use of “Historic Focuses”, you get to decide the path famous Fallout factions took, directing generic nations, and changing history as you see fit.

Hearts of Iron IV: The Great War, an overhaul mod for Hearts of Iron IV, puts you in the position of one of the countries of the world in World War One's time period. In an era where the stakes were high and risks even higher, you'll have to tread lightly when it comes to diplomacy. A single mistake or a single bluff gone too far could mean the deaths of millions.

The Kaiserreich 4 Team are proud to present the most popular alternate history mod for Hearts of Iron II, Darkest Hour, and Hearts of Iron IV! Originally conceived by Sarmatia in 2005, Kaiserreich has since developed into one of the most in-depth alternate history mods, with thousands of unique events, graphics, countries and even mechanics! Rewrite history (again), but this time in Hearts of Iron IV!

Crusader Kings II: Charlemagne is the seventh expansion for the much praised strategy/RPG Crusader Kings II and introduces the gamer to an absorbing story of conquests of Charlemagne. This expansion moves the game back almost a 100 years to 769 AD and will offer a unique new story driven narrative about the rise of Charlemagne and The Holy Roman Empire.

Winds of Change makes wide-ranging changes to twenty nations stretching from the Andean highlands to the vast steppes of Mongolia. There are many new branching missions, government reforms, events, estate privileges and more!

Europe is in turmoil. The land has been fragmented into petty fiefdoms. The Emperor is struggling with the Pope. The Holy Father declares that all who go to liberate the Holy Land will be freed of their sins. Now Is the Time For Greatness…

Res Publica focuses on governance and trade. New mechanics pertaining to elections are introduced, along with election events for the Dutch republics and a national focus. The Republican Dictatorship form of government is also included. The accompanying patch included extra idea groups and Merchant Republic factions.

Conclave will give your vassals some bite to go along with your bark, as the council that governs your realm will now demand some say in how you rule. Powerful dukes, regardless of competence, will require a seat at the table, and those left on the outside will be more likely to plot against you.

Paradox Development Studios ups the stakes with the latest and third expansion from Europa Universalis IV – The Art of War. Centered on the 30 Years War and bubbling political instability between church and state, this expansion features improved gameplay mechanics that’s puts warfare at the forefront of your quest for domination and triumph. Improved naval combat and full army control means the course of victory rests solely on your shoulders. Will you choose to triumph alone or rely on the combat strengths of your allies? Your decision will decide if your empire lasts through the ages.

The Galaxy is vast and full of wonders, and it is up to you to store records of all the unique lifeforms and marvels you will meet. Build a new megastructure, and collect examples of specimens you will meet in your space-faring adventures!

Imperator: Invictus is a collaborative effort by the Imperator modding community. The primary aim of this mod is to enhance the flavour of the game adding content and balance challenges to enrich the immersive experience.

While Europe slowly pulls itself from a period of darkness, the East continues to shine brightly. The Ming throne is set on a foundation of thousands of years of civilization while Japanese warlords do battle in honorable array, holding tight to their bushido code. The gods have blessed Asia with wealth and culture.

Europa Universalis IV - Origins includes: - Jewish Religion: The Ethiopian Jews of Beta Israel are included, and Jewish nations can choose from nine religious characteristics to accentuate their national strengths. - New Regional Mission Trees: New Missions for minor powers in Central, East and West Africa, as well as the African Horn. - New Army Sprites: 4 new army sprites each for Congo, Great Lakes, Southern Africa and Bantu nations. - Two New Missionary models: African Coptic and African Fetishist missionary animations added.

The Europa Universalis IV Collection includes the base game and all DLC up until May 2017.