IMHO.

Single-player games like Base One

Below are 8 single-player Steam games similar to Base One, 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 Base One page.

Ranked picks

  1. 1
    Middle East Empire 2027 — Steam game cover

    Middle East Empire 2027

    Single-player alternative to Base One — playable solo, no multiplayer required. Shares Simulation with Base One.

    Lead your Middle Eastern empire in an empire building turn based strategy war game. Are you ready to lead, Supreme Commander?

    2022StrategySimulation7.99 USDSingle-playerSimilar games →
  2. 2
    Asia Empire 2027 — Steam game cover

    Asia Empire 2027

    Single-player alternative to Base One — playable solo, no multiplayer required. Shares Simulation with Base One.

    Lead your Asian empire in an empire building turn based strategy war game. Are you ready to lead, Supreme Commander?

    2022StrategySimulation7.99 USDSingle-playerSimilar games →
  3. 3
    O.A.C - World Begins — Steam game cover

    O.A.C - World Begins

    Single-player alternative to Base One — playable solo, no multiplayer required. Shares Simulation with Base One.

    Are you a leader? Once you convince your nation you are their leader, it will be time to show the world your own political, people management and military strategy skills. O.A.C aims to be a breath of fresh air in the grand strategy genre that will inspire its own kind of videogames!

    2024StrategyIndieSimulation19.99 USDSingle-playerSimilar games →
  4. 4
    Epic City Builder 4 — Steam game cover

    Epic City Builder 4

    Single-player alternative to Base One — playable solo, no multiplayer required. Shares Simulation with Base One.

    In Epic City Builder 4 you build a whole nation across multiple maps. Pass laws at the national level. Fiddle with the budgets at the city level. Manage your taxes and spending well and later you could be laying out whole cities at once.

    2021StrategyIndieSimulation19.99 USDSingle-playerSimilar games →
  5. 5
    Westminster Darkly — Steam game cover

    Westminster Darkly

    Single-player alternative to Base One — playable solo, no multiplayer required.

    A unique turn-based strategy game set in modern time Westminster (UK), after a massive solar storm causes the end of the electric age.

    2020StrategyIndieRPGFreeSingle-playerSimilar games →
  6. 6
    Quarantine: Global Pandemic — Steam game cover

    Quarantine: Global Pandemic

    Single-player alternative to Base One — playable solo, no multiplayer required. Shares Simulation with Base One.

    In Quarantine, you make the pandemic policies and funding priorities for your country as the head of the Health and Human Services Department. You will have to save your country from this global pandemic, while trying to keep the public and government officials happy...

    2021StrategySimulation3.99 USDSingle-playerSimilar games →
  7. 7
    Cascade: Hindcast — Steam game cover

    Cascade: Hindcast

    Single-player alternative to Base One — playable solo, no multiplayer required. Shares Simulation with Base One.

    Cascade: Hindcast is an alternate-history grand strategy game where monthly political and military decisions reshape a living war map. Use hindsight, spend scarce political capital, and watch borders, armies, and consequences move in real time.

    2026StrategyIndieSimulationSingle-playerSimilar games →
  8. 8
    Age of Resistance — Steam game cover

    Age of Resistance

    Single-player alternative to Base One — playable solo, no multiplayer required. Shares Simulation with Base One.

    Age of Resistance is a modern grand strategy set in South America. Manage your economy, internal stability, political ideologies, and regional conflicts in real-time with pause. Will you be able to dominate the continent?

    2026StrategyIndieSimulationSingle-playerSimilar games →