IMHO.

Single-player games like Soulstonia

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

Ranked picks

  1. 1
    Aquora — Steam game cover

    Aquora

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

    Breed, raise, and sell pixel fish in your own living aquarium. Over 400 quadrillion possible fish. Chase ultra-rare mythic traits through generations of genetics, decorate your tank, fish the river, and grow a humble starter pair into an aquatic empire, even while you're away.

    2027IndieSimulationCasualSingle-playerSimilar games →
  2. 2
    Working with Montabi — Steam game cover

    Working with Montabi

    Single-player alternative to Soulstonia — playable solo, no multiplayer required. Shares Free To Play and Casual with Soulstonia.

    Let adorable Montabi keep you company while you work! A desktop companion that types together with you. Customize your room and avatar, stay focused with productivity tools, and collect every Montabi by placing their favorite items!

    Free To PlayCasualFreeSingle-playerSimilar games →
  3. 3
    Tiny Capsule Collector — Steam game cover

    Tiny Capsule Collector

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

    Run a cozy capsule shop at the bottom of your screen while you work or study. Attract adorable animal customers, collect charming capsule toys, create & decorate a relaxing, ambient world. This idle sim brings you small moments of joy with cute companions making your desktop a place you’d rather be.

    IndieSimulationCasualSingle-playerSimilar games →
  4. 4
    Neofold — Steam game cover

    Neofold

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

    The infinite creature-collector where each pet is uniquely yours, generated live by your GPU. Hatch endless weirdos, adopt the ones you love, and grow a living sanctuary of species that exist only on your desktop.

    2026IndieSimulationCasual3.59 USDSingle-playerSimilar games →
  5. 5
    Tiny Slime Farm — Steam game cover

    Tiny Slime Farm

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

    A cozy desktop idle game where cute slimes bounce around your tiny farm while you work or study.

    2026IndieSimulationCasual4.79 USDSingle-playerSimilar games →
  6. 6
    Fishing Spot — Steam game cover

    Fishing Spot

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

    Fishing Spot is a relaxing fishing game about discovering unique fishing locations and the species that inhabit them. Generate new spots with their own ecosystems, fish populations, bite schedules and bait preferences, chase records, and build your collection — all at your own pace.

    2026IndieSimulationCasualSingle-playerSimilar games →
  7. 7
    Typing With Ghostie — Steam game cover

    Typing With Ghostie

    Single-player alternative to Soulstonia — playable solo, no multiplayer required. Shares Simulation and Free To Play with Soulstonia.

    👻 A cute little Ghostie game that helps you type!

    2026SimulationFree To PlayCasualFreeSingle-playerSimilar games →
  8. 8
    Catio Simulator — Steam game cover

    Catio Simulator

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

    Catio Simulator is a casual incremental game in which you decorate a catio to attract cats. Pet your cats to get them ready for adoption, collect adoption fees, and upgrade your catio and petting ability!

    2026IndieSimulationCasual4.79 USDSingle-playerSimilar games →