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...
Crusader Kings III is the newest generation in the medieval role-playing grand strategy game series Crusader Kings. Expand and improve your realm, whether a mighty kingdom or modest county. Use marriage, diplomacy and war to increase your power and prestige in a meticulously detailed map that stretches from Spain to India, Scandinavia to Central Africa.
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.
Stellaris is a real-time 4X grand strategy game set in a procedurally generated galaxy. Players control an interstellar civilization, exploring star systems connected by hyperlane networks, colonizing habitable worlds, and managing their empire's economy across resources like energy, minerals, and alloys. The game emphasizes empire customization through species traits, ethics, government types, and civics that shape both aesthetics and mechanics. Gameplay progresses through diplomacy, trade, and warfare with other civilizations, while mid-game and late-game galactic crises introduce escalating threats such as extragalactic invasions or hostile artificial intelligence awakenings. Players can pursue ascension paths including genetic engineering, cybernetic augmentation, or psionic abilities. Originally released for PC, the game later received a console edition and has been supported with numerous expansions adding megastructures, new empire types, espionage mechanics, and additional crisis scenarios.
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.
In the Europa Universalis IV: Leviathan expansion, you get new tools to centralize and accumulate power for your country. New diplomatic actions give you the means to go up against mightier counterparts and new economic tools will allow you to establish rich vassal empires that draw wealth and development to your monumental capital city. Leviathan also brings new improvements to other core areas of the game, such as colonies and regencies.
In Monks and Mystics, your characters can follow new paths in their search for religious enlightenment and holy blessing, joining sacred societies or secret brotherhoods that open new opportunities for role-playing and story-telling in one of the most popular historical strategy games ever made.
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!
Conquest of Paradise focuses on the New World. It adds an expansion to the mechanics of tribal nations, most prominently Native American ones. It also adds a random new world generator which randomizes the landscape of North and South America. The accompanying patch also added colonial regions, protectorates and new starting nations as well as many other small additions and fixes.
Shape Minds, Rule the Stars. In a galaxy defined by borders, belief knows no limits. In Stellaris: Willpower, your Ethics evolve into powerful ideologies that can reshape entire civilizations.
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!
Welcome to Pax Britannica: An Imperial Timeline, an alternate history science fiction mod for Hearts of Iron 4.
The Republic is the third expansion for the critically praised strategy / RPG Crusader Kings II. In The Republic you play as a Patrician in one of the great medieval Merchant Republics. Expand your trade empire as you compete with the other four Patrician families for the coveted position of Doge and the leadership of the Republic.
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.
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.
Shadows of the Shroud is an expansion for Stellaris, released as a part of the Season 09 Expansion Pass in 2025. The psionic plane holds untold power—but at what cost? Shadows of the Shroud is a complete overhaul of the Psionic Ascension path, introducing new moral dilemmas, patron allegiances, and the ever-present temptation of ultimate destruction.
Rights of Man adds greater depth and detail to a host of game systems. New decisions, greater customization and added personality are all coming to the best-selling game about exploration, trade and conquest.
Common Sense focuses on diplomacy, religion and internal development. New religious gameplay is added, focusing on Protestants and Buddhists. Parliaments are added, and a special parliamentary government is granted to England. The coinciding patch included new religions, improvements to the peace system and a reworking of the fort system. The number of building slots were also decreased, but the existing ones made more powerful.
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.