IMHO.

Games like Molluscarium

If Molluscarium is your kind of game, the closest matches are Easy Bubbles, Reptilarium and Lepidarium — 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 Molluscarium: Relax and collect over 500 unique molluscs in this cozy idle game. Watch larvae grow into stunning adults in real-time, customize vibrant aquatic habitats across 9 themed packs, and discover rare species from garden snails to deep-sea cephalopods.

2026IndieSimulationCasualWindowsby PiqFocus Interactive
Molluscarium — Steam game cover

Players who liked Molluscarium also play

Steam players who put hours into Molluscarium 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. Easy Bubbles

    WHY THIS

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

    Easy Bubbles is a relaxing aquarium simulation filled with cute sea creatures. Manage your aquarium with click and idle mechanics, collect resources and have a pleasant experience in the colorful and peaceful underworld.

    2025IndieSimulationCasual3.59 USDSteam ↗
  2. Reptilarium

    WHY THIS

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

    Relax and collect hundreds of unique reptiles in this cozy idle game. Watch eggs hatch and babies grow in real-time, customize stunning terrariums, and discover rare species from geckos to chameleons.

    2026IndieSimulationCasual4.79 USDSteam ↗
  3. Lepidarium

    WHY THIS

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

    Relax and collect hundreds of unique butterflies and moths in this cozy idle game. Watch caterpillars transform from larva to chrysalis to winged beauty, customize lush greenhouses, and discover rare species from monarchs to atlas moths.

    2026IndieSimulationCasual6.39 USDSteam ↗
  4. Amphibarium

    WHY THIS

    Ranked #4 for Molluscarium fans by collaborative filtering across millions of Steam libraries. Shares Indie and Simulation with Molluscarium.

    Relax and collect hundreds of unique frogs and salamanders in this cozy idle game. Watch tadpoles undergo metamorphosis in real-time, customize lush terrariums, and discover rare species. Let your vivarium thrive in the background while you work or study. Start your collection today!

    2026IndieSimulationCasual7.99 USDSteam ↗
  5. Dinosaurium

    WHY THIS

    Ranked #5 for Molluscarium fans by collaborative filtering across millions of Steam libraries. Shares Indie and Simulation with Molluscarium.

    Relax and collect over 500 unique dinosaurs in this cozy idle game. Watch hatchlings grow into towering giants in real-time, customize prehistoric habitats across 9 themed packs, and discover rare species from tiny raptors to mighty sauropods.

    2026IndieSimulationCasualSteam ↗
  6. Soggy Beans

    WHY THIS

    Ranked #6 for Molluscarium fans by collaborative filtering across millions of Steam libraries. Shares Indie and Simulation with Molluscarium.

    Fish will come, fish will go. Take photos, collect beans, decorate your seascape, then relax or do other things while your friends swim by in this calming side-idler.

    2026IndieSimulationCasualSteam ↗
  7. Chillquarium

    WHY THIS

    Ranked #7 for Molluscarium fans by collaborative filtering across millions of Steam libraries. Shares Simulation and Casual with Molluscarium.

    Chillquarium is a cozy and relaxing idle game. Buy fish and raise them in real time, then sell them to turn a profit! Customize your aquarium as you progress from a simple starter tank to your dream setup by filling your collection with rare exotic fish and ultra-rare color variants!

    2023SimulationCasual5.99 USDDeck PlayableSteam ↗
  8. Lofi aquarium

    WHY THIS

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

    "Lofi Aquarium" is a gamified focus tool designed to enhance concentration and relieve stress. As you work, a group of adorable baby fish will keep you company, all set to soothing lofi music. Over time, the fish grow and can be sold for profit. 

    2025IndieSimulationCasual4.79 USDSteam ↗

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 Molluscarium.

    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. The Murder of Sonic the Hedgehog

    WHY THIS

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

    Sonic the Hedgehog...was murdered!? Get to the bottom of the mystery in this brand-new adventure!

    2023IndieSimulationFree To PlayFreeDeck PlayableSteam ↗
  3. Indigo Park: Chapter 1

    WHY THIS

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

    Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.

    2024ActionIndieAdventureFreeDeck PlayableSteam ↗
  4. Sheepy: A Short Adventure

    WHY THIS

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

    A Short Handcrafted Pixel Art Platformer that follows Sheepy, an abandoned plushy brought to life. Sheepy: A Short Adventure is the first short game from MrSuicideSheep.

    2024IndieAdventureFree To PlayFreeDeck PlayableSteam ↗
  5. Our Life: Beginnings & Always

    WHY THIS

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

    A twenty-dollar bill, four summers, fifteen years, and a one of a kind life. Create an experience that’s all your own in this near-fully customizable visual novel where you grow from childhood to adulthood with the lonely boy next door.

    2020IndieFree To PlayCasualFreeSteam ↗
  6. missed messages.

    WHY THIS

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

    ‘goth gf’s iPhone’ airdrops you - accept or decline? A love/horror story about life, death, & memes.

    2019IndieSimulationFree To PlayFreeDeck PlayableSteam ↗
  7. NGU IDLE

    WHY THIS

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

    NGU Idle is a Free To Play Idle game that's full of weird humor, tons of upgrades and hundreds of hours of content! Try out NGU Idle today and experience the joy of Numbers Going Up!

    2019IndieAdventureSimulationFreeDeck PlayableSteam ↗
  8. 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 Molluscarium.

    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 ↗

Coming soon from PiqFocus Interactive

Announced and quality-gated upcoming releases from PiqFocus Interactive — ranked by community wishlist demand from our scraped pool.

  1. The Carcass

    WHY THIS

    Announced upcoming release from PiqFocus Interactive, the studio behind Molluscarium. Shares Indie with Molluscarium.

    A typing-driven Lovecraftian colony sim. You wake inside the corpse of a dead god, adrift in space. Carve a roguelike colony from procedurally generated anatomy — negotiate with rival alien factions, evolve occult mutations, find your ending. The carcass remembers.

    Releases Aug 11, 2026StrategyIndieAdventureSteam ↗
  2. Dinosaurium

    WHY THIS

    Announced upcoming release from PiqFocus Interactive, the studio behind Molluscarium. Shares Indie and Simulation with Molluscarium.

    Relax and collect over 500 unique dinosaurs in this cozy idle game. Watch hatchlings grow into towering giants in real-time, customize prehistoric habitats across 9 themed packs, and discover rare species from tiny raptors to mighty sauropods.

    Releases Aug 3, 2026IndieSimulationCasualSteam ↗
  3. Final Buzzer : Idle Basketball Manager 🏀

    WHY THIS

    Announced upcoming release from PiqFocus Interactive, the studio behind Molluscarium. Shares Indie and Simulation with Molluscarium.

    Pixel-art basketball manager where every AI player has a soul. Climb from a 1v1 neighborhood pickup to a 5v5 dynasty, train an idle Practice Court roster — then let broadcast-cinema matches do the rest.

    Releases Dec 21, 2026SportsStrategyIndieSteam ↗

More from PiqFocus Interactive

Other recommendable Steam games by PiqFocus Interactive, ranked by review count so the studio's hits land first.

  1. Pixel Empires

    WHY THIS

    Another title from PiqFocus Interactive, the studio behind Molluscarium. Shares Indie and Casual with Molluscarium.

    A pixel idle tower defense where your kingdom fights on its own. Workers gather, your army auto-battles endless waves, spells self-cast — you aim the bow, chain combos and choose what to upgrade. Bosses, titans, prestige, 100+ achievements. The night is endless. The bow is yours.

    2026StrategyIndieCasual2.99 USDSteam ↗
  2. Lepidarium

    WHY THIS

    Another title from PiqFocus Interactive, the studio behind Molluscarium. Shares Indie and Simulation with Molluscarium.

    Relax and collect hundreds of unique butterflies and moths in this cozy idle game. Watch caterpillars transform from larva to chrysalis to winged beauty, customize lush greenhouses, and discover rare species from monarchs to atlas moths.

    2026IndieSimulationCasual6.39 USDSteam ↗
  3. Reptilarium

    WHY THIS

    Another title from PiqFocus Interactive, the studio behind Molluscarium. Shares Indie and Simulation with Molluscarium.

    Relax and collect hundreds of unique reptiles in this cozy idle game. Watch eggs hatch and babies grow in real-time, customize stunning terrariums, and discover rare species from geckos to chameleons.

    2026IndieSimulationCasual4.79 USDSteam ↗

Frequently asked about Molluscarium

What games are most similar to Molluscarium?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Molluscarium are Easy Bubbles, Reptilarium, Lepidarium.
Who developed Molluscarium?
Molluscarium was developed by PiqFocus Interactive.

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 Molluscarium.

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