IMHO.

Single-player games like Whimsy Koi

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

Ranked picks

  1. 1
    Bottled by Bears — Steam game cover

    Bottled by Bears

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

    Join a family of bears and run the buzziest little honey farm! Collect and discover rare bees, bottle honey jars, expand your farm, and watch your flowery field bloom in this cozy idle management game.

    2026IndieSimulationCasualSingle-playerSimilar games →
  2. 2
    Mothiary — Steam game cover

    Mothiary

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

    An idle game about collecting moths.

    2026SimulationCasualSingle-playerSimilar games →
  3. 3
    High Rice — Steam game cover

    High Rice

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

    In this short incremental farming game, you will plant rice on a rooftop, create various goods out of it, automate using robot helpers and watch the citizens of the hidden cyberpunk city evolve as they patronize your products.

    StrategyIndieSimulationSingle-playerSimilar games →
  4. 4
    Working Class Monsters — Steam game cover

    Working Class Monsters

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

    Open packs. Collect monsters. Watch the gold pile up. A cozy incremental about a monster workforce - place goblins, undead, and abyssal horrors across tiles where the right neighbors mean bigger payouts. Grow your sleepy island into a gold printing empire and unlock hidden islands to settle on.

    2026StrategySimulationCasualSingle-playerSimilar games →
  5. 5
    Cats Are Money — Steam game cover

    Cats Are Money

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

    Cats are Money is a cozy idle game in the "Tamagotchi" genre where you manage a farm and collect unique cats into your collection. Take care of your pets, feed them, and play with them. Upgrade your farm, unlock new breeds and businesses.

    2025SimulationCasual4.19 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    MagiClean — Steam game cover

    MagiClean

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

    MagiClean – is a satisfying cozy clicker game where you clean up a Wizarding School of Witchcraft and Wizardry. Click to Clean, Upgrade and Brew potions, Synergize 15+ spells from your toolbelt, collect magical animals, and grow more powerful each second.

    2026IndieSimulationCasual4.99 USDSingle-playerSimilar games →
  7. 7
    Tiny Slime Farm — Steam game cover

    Tiny Slime Farm

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

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

    2026IndieSimulationCasual4.79 USDSingle-playerSimilar games →
  8. 8
    Tame-a-goat-chi — Steam game cover

    Tame-a-goat-chi

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

    A cozy goat companion world that lives at the edge of your screen. Care for a herd of unique, lovable goats, each with their own personality, and watch while you work, study, or relax.

    2026IndieSimulationCasual3.99 USDSingle-playerSimilar games →