IMHO.

Single-player games like Alamet: Interstellar Wars

Below are 9 single-player Steam games similar to Alamet: Interstellar Wars, 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 Alamet: Interstellar Wars page.

Ranked picks

  1. 1
    Copacetic — Steam game cover

    Copacetic

    Single-player alternative to Alamet: Interstellar Wars — playable solo, no multiplayer required. Shares Strategy and Simulation with Alamet: Interstellar Wars.

    The 3D Pipes screensaver, but a resource management game, inside of a cube, about genocide. Place factories and modules around the walls of your mind, avoiding tangles as you wire them all together. Travel across the galaxy harvesting all sentient life. Space is limited, and the only enemy is you.

    StrategySimulationCasualSingle-playerSimilar games →
  2. 2
    Northgard Battlegrounds — Steam game cover

    Northgard Battlegrounds

    Single-player alternative to Alamet: Interstellar Wars — playable solo, no multiplayer required. Shares Strategy and Indie with Alamet: Interstellar Wars.

    A city-building auto-battler set in the Viking world of Northgard, where every building you place shapes your clan’s fate. Develop your village, claim the Gods’ blessings, and send your warband to battle against rival players! Every move counts, only one clan will stand.

    2026StrategyIndieSimulationSingle-playerSimilar games →
  3. 3
    Solar Baron — Steam game cover

    Solar Baron

    Single-player alternative to Alamet: Interstellar Wars — playable solo, no multiplayer required. Shares Strategy and Simulation with Alamet: Interstellar Wars.

    As head of an interplanetary corporation, your goal is to extract resources from across the solar system and bring them home faster and cheaper than your competitors. Construct trade depots and colonies. Build rockets and spaceports. Master realistic orbital mechanics and maximize profits.

    StrategySimulationSingle-playerSimilar games →
  4. 4
    Complex SKY — Steam game cover

    Complex SKY

    Single-player alternative to Alamet: Interstellar Wars — playable solo, no multiplayer required. Shares Strategy and Simulation with Alamet: Interstellar Wars.

    COMPLEX SKY is a futuristic city building game with a unique architecture system - build the city both ways, up and down! The world is devastated by pollution, and it’s up to you to create a fully self-sustainable city in the skies, and populate it with human settlers.

    StrategySimulationEarly AccessSingle-playerSimilar games →
  5. 5
    The Diner at the End of the Galaxy — Steam game cover

    The Diner at the End of the Galaxy

    Single-player alternative to Alamet: Interstellar Wars — playable solo, no multiplayer required. Shares Strategy and Simulation with Alamet: Interstellar Wars.

    Influence the fate of the Nusa star system through your clientele’s stomachs. Grow exotic ingredients, create a menu that appeals to intergalactic palates, and discover treasures in the outer worlds. Come on in! The Diner is always open for business.

    2025StrategySimulationEarly Access9.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    InfraSpace — Steam game cover

    InfraSpace

    Single-player alternative to Alamet: Interstellar Wars — playable solo, no multiplayer required. Shares Strategy and Indie with Alamet: Interstellar Wars.

    Create an extrasolar efficiency utopia from scratch! In this sci-fi city builder you need to start mining operations, plan production, and lay down transportation routes to ensure a smooth supply chain.

    2023StrategyIndieSimulation24.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    MegaFactory Titan — Steam game cover

    MegaFactory Titan

    Single-player alternative to Alamet: Interstellar Wars — playable solo, no multiplayer required. Shares Strategy and Simulation with Alamet: Interstellar Wars.

    A factory-building game. Survive a harsh climate, strip mine an infinite world, and build a sprawling factory, then trade or go to war with Colonists, Governments, Pirates, Rebels, and more!

    2026StrategySimulation11.99 USDSingle-playerSimilar games →
  8. 8
    The Colonists — Steam game cover

    The Colonists

    Single-player alternative to Alamet: Interstellar Wars — playable solo, no multiplayer required. Shares Strategy and Indie with Alamet: Interstellar Wars.

    Build a new home for your team of robots as they begin a new life for themselves on a distant planet where they can fulfil their ultimate dream: to be human.

    2018StrategyIndie24.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    ARC Aquarium — Steam game cover

    ARC Aquarium

    Single-player alternative to Alamet: Interstellar Wars — playable solo, no multiplayer required. Shares Indie and Simulation with Alamet: Interstellar Wars.

    Build and manage your own aquarium by collecting fish, earning money, and unlocking decorations. Feed your fish, clean the tank, and enjoy relaxing idle progression in this cozy 2D aquarium simulation.

    2026IndieSimulationCasual0.49 USDSingle-playerSimilar games →