IMHO.

Games like Harpooner

If Harpooner is your kind of game, the closest matches are FishPond, Fish to Cats: Catch & Feed and Incresleeper — picked from the ranked list below. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.

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About Harpooner: 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!

2027ActionStrategyIndieSimulationCasualWindowsby Mango Salad Games
Harpooner — Steam game cover

Players who liked Harpooner also play

Steam players who put hours into Harpooner also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.

  1. FishPond

    WHY THIS

    Top pick for Harpooner fans by collaborative filtering across millions of Steam libraries. Shares Indie and Simulation with Harpooner.

    Build a living pond where every fish has a unique genetic code. Breed for rare traits, balance oxygen and hunger, unlock new species, and watch your ecosystem compose its own soundtrack in real time. Part sim, part idle game, part science experiment gone beautifully wrong.

    2026IndieSimulationCasual3.39 USDSteam ↗
  2. Fish to Cats: Catch & Feed

    WHY THIS

    Second-strongest match for Harpooner fans by collaborative filtering across millions of Steam libraries. Shares Indie and Casual with Harpooner.

    Loads of fish! Loads of cats! Sail out to sea, charm every furball on Cat Island with fresh catch. Live your cozy ocean cat life!

    2026IndieCasual2.69 USDSteam ↗
  3. Incresleeper

    WHY THIS

    Third-strongest match for Harpooner fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Simulation with Harpooner.

    A short, active incremental game about fighting insomnia. Go to bed, bust hordes of demons in your dreams and get powerful upgrades to become a master at sleeping.

    StrategySimulationCasualSteam ↗
  4. Catnip Cosmos

    WHY THIS

    Ranked #4 for Harpooner fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Casual with Harpooner.

    Shoot. Upgrade. Incrementally progress further. Pilot cat-operated spaceships on timed Zoomies runs in this space shooter. Combine pilots for powerful synergies, defeat boss challenges to unlock new weapons and improve exponentially.

    2026StrategyCasualSteam ↗
  5. The Fishercat

    WHY THIS

    Ranked #5 for Harpooner fans by collaborative filtering across millions of Steam libraries. Shares Action and Casual with Harpooner.

    Cats love fish so much, they started fishing.

    2026ActionCasual3.49 USDSteam ↗
  6. Hex Core

    WHY THIS

    Ranked #6 for Harpooner fans by collaborative filtering across millions of Steam libraries. Shares Action and Strategy with Harpooner.

    Hex Core is a short, incremental clicker-style defense game where you help PeteOS hold back waves of viruses until you can wipe them out for good. Spend resources to unlock a huge spread of upgrades, new mechanics, weapons, and research.

    2026ActionStrategySimulationSteam ↗
  7. Magical Girl: incremental gaiden

    WHY THIS

    Ranked #7 for Harpooner fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Harpooner.

    Short incremental Bullet Hell about Magical Girl! Fight against Shadows, gather resources, upgrade skill tree and defeat all the Witches to save humanity!

    2027ActionIndieCasualSteam ↗
  8. Screen Survivors

    WHY THIS

    Ranked #8 for Harpooner fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Simulation with Harpooner.

    An idle survivor-like that sits in the corner of your screen.

    2026StrategySimulationCasualSteam ↗

Free alternatives

Free-to-play games that recommended players of this title also tend to enjoy.

  1. Bongo Cat

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Simulation with Harpooner.

    Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?

    2025IndieSimulationMassively MultiplayerFreeDeck PlayableSteam ↗
  2. Awaria

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Harpooner.

    Awaria is a short game about working in haunted maintenance tunnels.

    2024ActionIndieFree To PlayFreeDeck PlayableSteam ↗
  3. Travellin Cats in Paris

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Casual with Harpooner.

    Find 100 cats hidden in Paris, France in this cute hand-drawn hidden object game by Travellin Cats - the original viral hidden cat game creator!

    2023IndieFree To PlayCasualFreeDeck VerifiedSteam ↗
  4. Magic Archery

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Simulation with Harpooner.

    Train a commoner to become the greatest archer in this short incremental game! Increase your stats, gather wealth from quests, buy upgrades, and infuse your arrows with magic.

    2024IndieSimulationRPGFreeDeck PlayableSteam ↗
  5. Disfigure

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Harpooner.

    Disfigure is a grim-dark action rogue-like where you battle relentless hordes of monsters lurking in the shadows. Unlock powerful weapons, craft god-like builds with hundreds of upgrades, slay colossal bosses, and push your limits in intense 20–30 minute survival runs!

    2023ActionIndieFreeDeck PlayableSteam ↗
  6. An Arcade Full of Cats

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Casual with Harpooner.

    Journey through gaming history's time and space, while searching for adorable feline companions in 'An Arcade Full of Cats,' the ultimate pet'em up hidden object game.

    2023IndieFree To PlayCasualFreeDeck PlayableSteam ↗
  7. Princess Remedy in a World of Hurt

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Harpooner.

    Remedy, a recent graduate from the Saturnian healing school, must descend to Hurtland and use her powers to heal everyone from stray ducks to dark lords, and finally cure the ailing Prince Hingst. It's a short, whimsical adventure with plenty of heart(s).

    2016ActionIndieAdventureFreeDeck PlayableSteam ↗
  8. Tukoni: Prologue

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Casual with Harpooner.

    Tukoni: Prologue is a point-and-click puzzle adventure, based on a series of award-winning books by the Ukrainian artist Oksana Bula. Play as Tukoni, the forest spirits, as you meet unique characters, solve captivating puzzles, craft new items, and explore a magical world filled with kindness.

    2020IndieAdventureCasualFreeSteam ↗

Frequently asked about Harpooner

What games are most similar to Harpooner?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Harpooner are FishPond, Fish to Cats: Catch & Feed, Incresleeper.
Who developed Harpooner?
Harpooner was developed by Mango Salad Games.

imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on Harpooner.

For library-aware picks tuned to your specific taste, sign in with Steam on the home page.