IMHO.

Single-player games like ST World

Below are 10 single-player Steam games similar to ST World, 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 ST World page.

Ranked picks

  1. 1
    Lade's Sandbox — Steam game cover

    Lade's Sandbox

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

    A voxel-based sandbox game

    2024IndieSimulationCasual2.99 USDSingle-playerSimilar games →
  2. 2
    WorldMaker — Steam game cover

    WorldMaker

    Single-player alternative to ST World — playable solo, no multiplayer required. Shares Simulation and Casual with ST World.

    WorldMaker is a tool for creative users that allows you to create photorealistic 3D Worlds using drag-and-drop controls. Transfer ideas directly from your head to a 3D World in seconds. Utilize our library of 1400 objects to create 3D Worlds quickly, with graphics powered by next-gen Unreal Engine 5

    2022SimulationCasualEarly Access9.99 USDSingle-playerSimilar games →
  3. 3
    PatchWorld — Steam game cover

    PatchWorld

    Single-player alternative to ST World — playable solo, no multiplayer required. Shares Indie and Adventure with ST World.

    PatchWorld is a social audiovisual playground for VR and desktop where creators build interactive worlds, instruments, reactive visuals, playful systems, and live experiences together in real-time _ no coding needed.

    IndieAdventureSimulationSingle-playerSimilar games →
  4. 4
    GLITCHED MATRIX Prototype Lab — Steam game cover

    GLITCHED MATRIX Prototype Lab

    Single-player alternative to ST World — playable solo, no multiplayer required. Shares Indie with ST World.

    Enter a virtual arcade packed with playable prototypes, creator tools, chat bots, and mod-friendly experiments inside one evolving digital world.

    2026ActionSportsStrategy9.99 USDSingle-playerSimilar games →
  5. 5
    FlowScape — Steam game cover

    FlowScape

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

    In FlowScape you can create your own nature scene simply by painting. Choose from 20 landscapes and more than 300 models to create your own little paradise by painting trees, changing the sky, rotating the sun, adding sound effects and adjusting your camera for that perfect photo.

    2019IndieSimulationCasual14.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Canvas of Kings — Steam game cover

    Canvas of Kings

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

    Canvas of Kings is a minimalistic mapmaking tool that focuses on randomness and auto-generated elements on user-definable and interactive paths, plots and rooms.

    2023IndieRPGCasual18.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    GoreBox — Steam game cover

    GoreBox

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

    GoreBox is a chaotic physics-driven sandbox where creativity meets destruction. Use the Reality Crusher to spawn, manipulate, and obliterate anything. Customize, battle with friends, roleplay, or face devious creatures. In this world, your imagination rules—and chaos is your playground!

    2023ActionIndieSimulation8.99 USDSingle-playerSimilar games →
  8. 8
    Timberborn — Steam game cover

    Timberborn

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

    Humans are long gone. In a world struck by droughts and toxic waste, will your lumberpunk beavers do any better? A sandbox city-building game featuring ingenious animals, vertical architecture, water physics, and terraforming. Contains high amounts of wood.

    2026StrategyIndieSimulation34.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    Minecraft: Story Mode - A Telltale Games Series — Steam game cover

    Minecraft: Story Mode - A Telltale Games Series

    Single-player alternative to ST World — playable solo, no multiplayer required. Shares Adventure with ST World.

    Episode 1 is now FREE - for a limited time! In Minecraft: Story Mode, playing as either a male or female hero named 'Jesse,' you’ll embark on a perilous adventure across the Overworld, through the Nether, to the End, and beyond.

    2015AdventureDeck PlayableSingle-playerSimilar games →
  10. 10
    Minecraft Legends — Steam game cover

    Minecraft Legends

    Single-player alternative to ST World — playable solo, no multiplayer required.

    Discover the mysteries of Minecraft Legends, a new action strategy game. Explore a gentle land of rich resources and lush biomes on the brink of destruction. The ravaging piglins have arrived, and it’s up to you to inspire your allies and lead them in strategic battles to save the Overworld!

    2023ActionStrategy39.99 USDDeck PlayableSingle-playerSimilar games →