IMHO.

Single-player games like FishPond

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

Ranked picks

  1. 1
    Loopquarium — Steam game cover

    Loopquarium

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

    Loopquarium is an aquarium roguelite where you assemble a school of fish with unique abilities to repel invading apex predators. Start with a group of guppies, grow your population, and balance predator and prey to discover insane combos every run.

    ActionStrategyIndieSingle-playerSimilar games →
  2. 2
    Kraken Cleaning — Steam game cover

    Kraken Cleaning

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

    A cozy incremental game where you play as a Kraken wielding abyssal powers to clean the ocean.

    2026StrategyIndieCasual5.99 USDSingle-playerSimilar games →
  3. 3
    Idle Aquarium — Steam game cover

    Idle Aquarium

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

    A game that let enjoy fish keeping and decorating your aquarium while doing your work

    2025IndieSimulationCasual0.99 USDSingle-playerSimilar games →
  4. 4
    ARC Aquarium — Steam game cover

    ARC Aquarium

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

    Build and manage your own aquarium by collecting fish, earning money, and unlocking decorations. Feed your fish, clean the tank, and enjoy relaxing idle progression in this cozy 2D aquarium simulation.

    2026IndieSimulationCasual0.49 USDSingle-playerSimilar games →
  5. 5
    Idlequarium — Steam game cover

    Idlequarium

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

    Idlequarium is a casual simulation game where you raise adorable little fish to earn coins, purchase decorations, and build a fully customized aquarium.The game sits anywhere on your desktop, letting you interact with your live aquarium during work or study breaks.

    2025IndieSimulationCasual1.79 USDSingle-playerSimilar games →
  6. 6
    Harpooner — Steam game cover

    Harpooner

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

    Harpooner is an action-driven incremental fishing game where you hunt bizarre alien fish from a meteor crash. Grab your gear, grow stronger with every dive, and take down massive bosses to save Earth's ecosystem!

    2027ActionStrategyIndieSingle-playerSimilar games →
  7. 7
    HydroTick: Water Reminder & Aquarium Manager — Steam game cover

    HydroTick: Water Reminder & Aquarium Manager

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

    Stay hydrated, relax, and build your dream aquarium! HydroTick reminds you to drink water at your chosen intervals, rewards you with coins, and lets you collect unique fish, rare decorations, and create a soothing aquatic world.

    2025SimulationCasual1.99 USDSingle-playerSimilar games →
  8. 8
    Desktank — Steam game cover

    Desktank

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

    A cozy idle aquarium that lives on top of your screen. Watch fish swim, grow, and interact while you work or relax. Desktank turns your desktop into a peaceful underwater world — float it in the corner or let it take over the whole screen. Just sit back and enjoy the calm.

    2025IndieSimulationFree To PlayFreeSingle-playerSimilar games →