IMHO.

Single-player games like VOID

Below are 9 single-player Steam games similar to VOID, 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 VOID page.

Ranked picks

  1. 1
    Accretion — Steam game cover

    Accretion

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

    Simulate being a celestial body in an open universe, using the rules of relativity and astrophysics to plunder mass and gradually evolve from a gas cloud into a planet, a star, or even a supermassive black hole.

    2025ActionIndieSimulation9.99 USDSingle-playerSimilar games →
  2. 2
    Void Core — Steam game cover

    Void Core

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

    Start as a microscopic speck, become the end of everything. Void Core is a minimalist sci-fi idle game where you control a black hole. Harvest matter, bend spacetime to automate your growth, and consume entire galaxies. Consume. Grow. Evolve.

    2026IndieSimulationCasualSingle-playerSimilar games →
  3. 3
    Cosmolace — Steam game cover

    Cosmolace

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

    A narrative-driven puzzle game that combines "optical illusions" with "single-stroke puzzle" as its theme. Players rotate their perspective in a 3D space, using optical illusions to connect vertexes and segments, completing the patterns in each level with a single stroke.

    2025IndieCasual6.99 USDSingle-playerSimilar games →
  4. 4
    Descent Horizon — Steam game cover

    Descent Horizon

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

    Guide a lunar lander through dangerous descents in Descent Horizon, a 2D physics-based sci-fi exploration game. Search abandoned lunar infrastructure, salvage parts, repair your systems, and survive a repeating cycle of impossible landings.

    IndieAdventureSimulationSingle-playerSimilar games →
  5. 5
    Autocraft — Steam game cover

    Autocraft

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

    Create, Collect, and Crash in Autocraft, a physics destruction sandbox. Create your own cars, rockets, tanks, planes, boats, and more.

    2017IndieSimulationCasual9.99 USDSingle-playerSimilar games →
  6. 6
    Tiny Space Academy — Steam game cover

    Tiny Space Academy

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

    Tiny Space Academy is a 2D space sim where you can grow your own space agency and explore our solar system with rockets you design! Learn basic orbital mechanics, run science experiments, and get your astronauts back to Earth safely.

    2021IndieSimulationCasual4.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Spaceflight Simulator — Steam game cover

    Spaceflight Simulator

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

    In Spaceflight Simulator, you will get to build your rockets, plan launches and flights, attempt landings, deploy payloads and explore new worlds.

    2022IndieSimulationEarly Access14.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    International Space Banana — Steam game cover

    International Space Banana

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

    SPIN. BOUNCE. STRUGGLE... In Space, nobody can hear you rage.

    2021IndieSimulationCasual0.49 USDSingle-playerSimilar games →
  9. 9
    Dots! — Steam game cover

    Dots!

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

    Dots! An exciting game built on an easy and relaxed gaming experience. You just need to relax and enjoy the gameplay for many hours.

    2020IndieCasual2.99 USDSingle-playerSimilar games →