IMHO.

Single-player games like otters and stones

Below are 9 single-player Steam games similar to otters and stones, 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 otters and stones page.

Ranked picks

  1. 1
    My Little Colony — Steam game cover

    My Little Colony

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

    In My Little Colony, you play as an aspiring ant keeper. You will get to choose, build, and expand your colony. But make sure your queen has food and water to keep the colony growing! As players progress food and water will be in more of a demand so spend your coins wisely.

    2022Simulation7.99 USDSingle-playerSimilar games →
  2. 2
    refarm — Steam game cover

    refarm

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

    The ocean took it all… now take it back! In this short semi-idle island builder you’ll resurface fertile farmland - tile by tile. As you plant, harvest and expand you’ll obtain helping hands and discover what else lies below the surface.

    2024Simulation3.99 USDDeck PlayableSingle-playerSimilar games →
  3. 3
    Simultree — Steam game cover

    Simultree

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

    Simultree is a short incremental game about monitoring life simulations. You're a scientist who runs life simulations in order to gain points to spend in a big skill tree.

    2026StrategySimulationCasual6.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    Lakeside Bar — Steam game cover

    Lakeside Bar

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

    A cozy management sim where the jazz is smooth, the cocktails are cooler than the evening breeze, and the lake reflects your perfect escape.

    2025IndieSimulationCasual3.59 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    United Penguin Kingdom — Steam game cover

    United Penguin Kingdom

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

    A city-building game where you build a penguin settlement and satisfy the various needs of your penguins while dealing with seals and killer whales. Enjoy the growth of your settlement, become the king, and lead the United Penguin Kingdom.

    2024StrategyIndieSimulation14.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Lyca — Steam game cover

    Lyca

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

    A small, relaxing, incremental game about restoring a barren wasteland into a lush meadow. Help the magical wolf Lyca run through the land, gather resources, and unlock a vast upgrade tree.

    2025StrategyIndieSimulation4.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Digseum — Steam game cover

    Digseum

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

    Digseum is a short incremental journey about digging up ancient relics and building the greatest museum ever!

    2024SimulationCasual2.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Planetary Life — Steam game cover

    Planetary Life

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

    Manipulate climate, add plants and evolve creatures in this planet and life sandbox simulation game. From cells to civilizations, spread life throughout the whole planet. Or just enjoy watching your creation burn!

    2025StrategyIndieSimulation11.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    basecamp — Steam game cover

    basecamp

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

    Fight waves of mutated creatures in this roguelite tower defense game. Turrets can be used to defend or to harvest — you decide! How much can you secure before being overrun?

    ActionIndieSimulationSingle-playerSimilar games →