IMHO.

Single-player games like Crusader Kings II

Below are 16 single-player Steam games similar to Crusader Kings II, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.

Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Crusader Kings II page.

Ranked picks

  1. 1
    Europa Universalis IV — Steam game cover

    Europa Universalis IV

    Single-player alternative to Crusader Kings II — playable solo, no multiplayer required. Shares Strategy and Simulation with Crusader Kings II.

    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.

    2013StrategySimulation4.99 USDSingle-playerSimilar games →
  2. 2
    Victoria II — Steam game cover

    Victoria II

    Single-player alternative to Crusader Kings II — playable solo, no multiplayer required. Shares Strategy with Crusader Kings II.

    Carefully guide your nation from the era of absolute monarchies in the early 19th century, through expansion and colonization, to finally become a truly great power by the dawn of the 20th century. Victoria II is a grand strategy game played during the colonial era of the 19th century, where the player takes control of a country, guiding...

    2010Strategy19.99 USDDeck PlayableSingle-playerSimilar games →
  3. 3
    Victoria 3 — Steam game cover

    Victoria 3

    Single-player alternative to Crusader Kings II — playable solo, no multiplayer required. Shares Strategy and Simulation with Crusader Kings II.

    Paradox Development Studio invites you to build your ideal society in the tumult of the exciting and transformative 19th century. Balance the competing interests in your society and earn your place in the sun in Victoria 3, one of the most anticipated games in Paradox’s history.

    2022StrategySimulation14.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    Hearts of Iron IV — Steam game cover

    Hearts of Iron IV

    Single-player alternative to Crusader Kings II — playable solo, no multiplayer required. Shares Strategy and Simulation with Crusader Kings II.

    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.

    2016StrategySimulation14.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    Strategy & Tactics: Dark Ages — Steam game cover

    Strategy & Tactics: Dark Ages

    Single-player alternative to Crusader Kings II — playable solo, no multiplayer required. Shares Strategy and Simulation with Crusader Kings II.

    Dark Ages is a tactical digital board game set in the violent world of alternate Middle Ages. Vikings against war elephants, musketeers against the Mongol cavalry, ancient phalanx legions against crusaders; the deadliest armies in history clashing in bloody war.

    2017StrategySimulationRPG14.99 USDSingle-playerSimilar games →
  6. 6
    The Vagabond Emperor — Steam game cover

    The Vagabond Emperor

    Single-player alternative to Crusader Kings II — playable solo, no multiplayer required. Shares Strategy and Simulation with Crusader Kings II.

    "The Vagabond Emperor" is a 2D RPG where you start as a simple vagabond and become an emperor. Smite enemies, build a town, create a family, suffer from the curse, do what you want.

    2021StrategySimulationRPG19.99 USDSingle-playerSimilar games →
  7. 7
    Imperator: Rome — Steam game cover

    Imperator: Rome

    Single-player alternative to Crusader Kings II — playable solo, no multiplayer required. Shares Strategy and Simulation with Crusader Kings II.

    Dominate the classical Mediterranean in Imperator: Rome, a grand strategy game from Paradox Interactive. Navigate the dangerous waters of politics and diplomacy as you build up your provinces and conquer foreign lands. Now available with special content and the digital artbook.

    2019StrategySimulation11.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Gilded Destiny — Steam game cover

    Gilded Destiny

    Single-player alternative to Crusader Kings II — playable solo, no multiplayer required. Shares Strategy and Simulation with Crusader Kings II.

    Forge empires, incite revolutions, and reshape society in Gilded Destiny, the definitive grand strategy game of the Industrial Age. Take command of your chosen nation and lead it to glory through masterful diplomacy, sweeping industrialization, and decisive warfare.

    2026StrategySimulationSingle-playerSimilar games →
  9. 9
    Total War: MEDIEVAL II – Definitive Edition — Steam game cover

    Total War: MEDIEVAL II – Definitive Edition

    Single-player alternative to Crusader Kings II — playable solo, no multiplayer required. Shares Strategy with Crusader Kings II.

    Spanning the most turbulent era in Western history, your quest for territory and power takes you through Europe, Africa, the Middle East, and even onto the shores of the New World.

    2006Strategy24.99 USDDeck PlayableSingle-playerSimilar games →
  10. 10
    Crusader Kings III — Steam game cover

    Crusader Kings III

    Single-player alternative to Crusader Kings II — playable solo, no multiplayer required. Shares Strategy and Simulation with Crusader Kings II.

    Love, fight, scheme, and claim greatness. Determine your noble house’s legacy in the sprawling grand strategy of Crusader Kings III. Death is only the beginning as you guide your dynasty’s bloodline in the rich and larger-than-life simulation of the Middle Ages.

    2020StrategySimulationRPG49.99 USDDeck PlayableSingle-playerSimilar games →
  11. 11
    Project Zomboid — Steam game cover

    Project Zomboid

    Single-player alternative to Crusader Kings II — playable solo, no multiplayer required. Shares Simulation and RPG with Crusader Kings II.

    Project Zomboid is the ultimate in zombie survival. Alone or in MP: you loot, build, craft, fight, farm and fish in a struggle to survive. A hardcore RPG skillset, a vast map, massively customisable sandbox and a cute tutorial raccoon await the unwary. So how will you die? All it takes is a bite..

    2013IndieSimulationRPG19.99 USDDeck VerifiedSingle-playerSimilar games →
  12. 12
    Stellaris — Steam game cover

    Stellaris

    Single-player alternative to Crusader Kings II — playable solo, no multiplayer required. Shares Strategy and Simulation with Crusader Kings II.

    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.

    2016StrategySimulation9.99 USDDeck PlayableSingle-playerSimilar games →
  13. 13
    Medieval: Total War™ - Collection — Steam game cover

    Medieval: Total War™ - Collection

    Single-player alternative to Crusader Kings II — playable solo, no multiplayer required. Shares Strategy with Crusader Kings II.

    MEDIEVAL: Total War™ - Collection Edition is the compilation of the critically-acclaimed Medieval: Total War and its official expansion pack - Viking Invasion.

    2015ActionStrategy9.99 USDDeck PlayableSingle-playerSimilar games →
  14. 14
    RimWorld — Steam game cover

    RimWorld

    Single-player alternative to Crusader Kings II — playable solo, no multiplayer required. Shares Strategy and Simulation with Crusader Kings II.

    A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more.

    2018StrategyIndieSimulation34.99 USDDeck VerifiedSingle-playerSimilar games →
  15. 15
    鬼谷八荒 Tale of Immortal — Steam game cover

    鬼谷八荒 Tale of Immortal

    Single-player alternative to Crusader Kings II — playable solo, no multiplayer required. Shares Simulation with Crusader Kings II.

    Tale of Immortal is an open-world sandbox based on Chinese mythology and cultivation. You will grow to become immortal, conquer the beasts from the Classic of Mountains and Season, make your choices carefully and grasp your own destiny.

    2023ActionIndieAdventure19.99 USDDeck PlayableSingle-playerSimilar games →
  16. 16
    Hearts of Iron III — Steam game cover

    Hearts of Iron III

    Single-player alternative to Crusader Kings II — playable solo, no multiplayer required. Shares Strategy with Crusader Kings II.

    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 scenarios. Guide your nation to glory between 1936 and 1948 and wage war, conduct diplomacy and build your industry in the most detailed World War 2 game ever made.

    2009Strategy2.49 USDSingle-playerSimilar games →