IMHO.

Single-player games like Colonies At War

Below are 8 single-player Steam games similar to Colonies At War, 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 Colonies At War page.

Ranked picks

  1. 1
    HUMANKIND™ 2 — Steam game cover

    HUMANKIND™ 2

    Single-player alternative to Colonies At War — playable solo, no multiplayer required. Shares Strategy with Colonies At War.

    Build a civilization that spans the ages in this historical turn-based strategy game. Combine evolving cultures, raise cities, command armies and expand your empire as a changing climate reshapes the world and your path through history.

    2027StrategySingle-playerSimilar games →
  2. 2
    Eormor: Shattered Lands — Steam game cover

    Eormor: Shattered Lands

    Single-player alternative to Colonies At War — playable solo, no multiplayer required. Shares Strategy and Indie with Colonies At War.

    A hand-drawn empire building game set in a fictional medieval world. The Kingdom of Eormor has collapsed. Chaos spreads throughout the lands as the old order tries to retain control and new noble houses try to claim their piece of the world. Will your house succeed in these shattered lands?

    2019StrategyIndieSimulation3.99 USDSingle-playerSimilar games →
  3. 3
    Imperiums: The Americas — Steam game cover

    Imperiums: The Americas

    Single-player alternative to Colonies At War — playable solo, no multiplayer required. Shares Strategy with Colonies At War.

    Guide your people across generations in the pre-Columbian Americas. Build a lasting civilization through trade, diplomacy, culture, and war in this historical turn-based 4X grand strategy game.

    StrategySingle-playerSimilar games →
  4. 4
    ROMANCE OF THE THREE KINGDOMS 8 REMAKE — Steam game cover

    ROMANCE OF THE THREE KINGDOMS 8 REMAKE

    Single-player alternative to Colonies At War — playable solo, no multiplayer required. Shares Strategy and Simulation with Colonies At War.

    Theater of war, infinite drama. A masterpiece of historical simulation "ROMANCE OF THE THREE KINGDOMS 8" is revived after 20 years. Enjoy the greatest military drama in the Three Kingdoms series, with the largest number of officers and scenarios!

    2024StrategySimulation35.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    Twisted Three Kingdoms — Steam game cover

    Twisted Three Kingdoms

    Single-player alternative to Colonies At War — playable solo, no multiplayer required. Shares Strategy and Simulation with Colonies At War.

    Amidst this chaotic era, shape your own destiny—whether as a loyal minister, a ruthless warlord, or an independent ruler. Every choice and battle writes your legend. Are you ready to rise from a commoner to claim the realm?

    StrategySimulationSingle-playerSimilar games →
  6. 6
    Crown & Coin: The Hundred Years — Steam game cover

    Crown & Coin: The Hundred Years

    Single-player alternative to Colonies At War — playable solo, no multiplayer required. Shares Strategy and Indie with Colonies At War.

    Survive the Hundred Years' War in this medieval ensemble sandbox. Play as 1,015 historical figures, from Joan of Arc to the imposter des Armoises. Gain glory as a knight, forge a new kingdom to crush England and France, or thrive as a bandit. Discover 22 tarot-based multiple endings!

    2026StrategyIndieSimulationSingle-playerSimilar games →
  7. 7
    Imperialist — Steam game cover

    Imperialist

    Single-player alternative to Colonies At War — playable solo, no multiplayer required. Shares Strategy and Indie with Colonies At War.

    From a veteran 4X Strategy developer comes a new deep strategy game of logistics, empire, and control. Develop the New World, industrialise your capital, manage your growing Empire, and outmanoeuvre rivals to become history's first Superpower. Can you exploit the New World to control the Old?

    StrategyIndieSimulationSingle-playerSimilar games →
  8. 8
    Age of History 2: Definitive Edition — Steam game cover

    Age of History 2: Definitive Edition

    Single-player alternative to Colonies At War — playable solo, no multiplayer required. Shares Strategy and Indie with Colonies At War.

    The grand strategy classic returns with improved gameplay, a massive 13,892 province map, expanded diplomacy and wartime capitulation, new civilizations and scenarios, atomic weapons, smarter AI, enhanced visuals, UI upgrades, and major performance improvements.

    2026StrategyIndie9.99 USDDeck PlayableSingle-playerSimilar games →