IMHO.

Single-player games like middenmoon

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

Ranked picks

  1. 1
    FACTORY I — Steam game cover

    FACTORY I

    Single-player alternative to middenmoon — playable solo, no multiplayer required. Shares Indie and Simulation with middenmoon.

    FACTORY I is a minimalist automation simulator designed to deliver the pure joy of factory building through a clean, clutter-free UI. Strip away the visual noise, design flawless production lines, and challenge the limits of infinite efficiency.

    2026IndieSimulationEarly Access4.49 USDSingle-playerSimilar games →
  2. 2
    Factorwave — Steam game cover

    Factorwave

    Single-player alternative to middenmoon — playable solo, no multiplayer required. Shares Indie and Simulation with middenmoon.

    Fast-paced factory builder with combat and territorial logistics. Automate production, unlock powerful Sector Hub bonuses, defend your infrastructure, and expand across a hostile planet.

    2026IndieSimulationSingle-playerSimilar games →
  3. 3
    Industronaut — Steam game cover

    Industronaut

    Single-player alternative to middenmoon — playable solo, no multiplayer required. Shares Indie and Simulation with middenmoon.

    A survival engineering game where you build life support habitats, mine resources, and automate production chains on a radiation heavy planet. No rescue. No support. Just engineering.

    2026IndieAdventureSimulationSingle-playerSimilar games →
  4. 4
    ASEMA — Steam game cover

    ASEMA

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

    Build a space factory. Mine, harvest, exploit. Manage logistics with railguns, ballistic payloads and gravity-bending haulers. Fight gravity with Focus, climb the tech tree. Expand and explore the solar system in this factory automation sim. Everything is a potential resource - even the Locals.

    2026StrategySimulationSingle-playerSimilar games →
  5. 5
    The Last Factory — Steam game cover

    The Last Factory

    Single-player alternative to middenmoon — playable solo, no multiplayer required. Shares Indie and Simulation with middenmoon.

    Build, automate, and defend humanity's last factory on a dying industrial planet. Chain production lines, survive AUTON raids and dust storms, research lost technology, and uncover what silenced every factory before yours.

    2026StrategyIndieSimulationSingle-playerSimilar games →
  6. 6
    Dawn Apart — Steam game cover

    Dawn Apart

    Single-player alternative to middenmoon — playable solo, no multiplayer required. Shares Simulation and Early Access with middenmoon.

    Dawn Apart is a space colony and factory sim with fully destructible environments. Mine, automate, and defend your settlers, or lead a rebellion against the very corporation pulling your strings…

    2025StrategySimulationEarly Access19.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    MineMogul — Steam game cover

    MineMogul

    Single-player alternative to middenmoon — playable solo, no multiplayer required. Shares Indie and Simulation with middenmoon.

    Design and build a factory deep underground in this physics-based automation sandbox. Mine resources, buy machines and master the chaos as you become the ultimate Mine Mogul!

    2025StrategyIndieSimulation14.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    The Last Caretaker — Steam game cover

    The Last Caretaker

    Single-player alternative to middenmoon — playable solo, no multiplayer required. Shares Indie and Simulation with middenmoon.

    Explore a drowned Earth, restore lost systems, and raise the last human seeds in this first-person survival-crafting adventure. Build, scavenge, defend, and launch humanity back to the stars.

    2025ActionIndieAdventure34.99 USDSingle-playerSimilar games →