IMHO.

Games like Behind Glass: Aquarium Simulator

If Behind Glass: Aquarium Simulator is your kind of game, the closest matches are Aquarium Designer, Neptune's Garden and Isopod Keeping Simulator — picked from the ranked list below. Reviewers single out its atmospheric, chill and cozy. 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 Behind Glass: Aquarium Simulator: Create stunning virtual aquariums on your PC! Our advanced 3D engine brings your fish tank to life with breathtaking realism, featuring lifelike fish, plants, decorations, and more. Transform your monitor into a vibrant, living aquarium. Virtual aquascaping has never been easier!

2025IndieSimulationCasual14.99 USDDeck PlayableWindows · macOSby BitBros Inc
Behind Glass: Aquarium Simulator — Steam game cover
Players highlight
Breed fish for endless custom speciesCreate visually stunning hybrid fishDesign tanks without mandatory maintenanceAtmosphericChillCozy

Players who liked Behind Glass: Aquarium Simulator also play

Steam players who put hours into Behind Glass: Aquarium Simulator 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. Aquarium Designer

    WHY THIS

    Shares a chill mood with Behind Glass: Aquarium Simulator.

    Top pick for Behind Glass: Aquarium Simulator fans by collaborative filtering across millions of Steam libraries. Shares Indie and Simulation with Behind Glass: Aquarium Simulator.

    Aquarium Designer gives you an opportunity to create the aquarium of your dreams! Become a professional whose job is to design it, build it, and fill it with the various underwater wildlife! All types, all sizes - your creativity is your only limit!

    2021IndieSimulationCasual9.99 USDDeck PlayableSteam ↗
  2. Neptune's Garden

    WHY THIS

    Second-strongest match for Behind Glass: Aquarium Simulator fans by collaborative filtering across millions of Steam libraries. Shares Indie and Simulation with Behind Glass: Aquarium Simulator.

    Begin with an empty reef, as time goes on; hire cleaners, grow coral & create the best day spa in all the 7 seas!

    2023IndieSimulation4.99 USDSteam ↗
  3. Isopod Keeping Simulator

    WHY THIS

    Third-strongest match for Behind Glass: Aquarium Simulator fans by collaborative filtering across millions of Steam libraries. Shares Simulation and Casual with Behind Glass: Aquarium Simulator.

    Grow, feed and care for your colony of adorable isopods in this realistic semi-idle simulator. Watch your isopods multiply and split or sell your colony if they become too numerous. Created by the Kunstaat community, 100% of our proceeds support charity!

    2025SimulationCasual8.99 USDSteam ↗
  4. Milo's Tiny Fish Pond

    WHY THIS

    Shares a cozy mood with Behind Glass: Aquarium Simulator.

    Ranked #4 for Behind Glass: Aquarium Simulator fans by collaborative filtering across millions of Steam libraries. Shares Indie and Simulation with Behind Glass: Aquarium Simulator.

    Create a vibrant, personal fish pond right on your desktop! Easily raise idle fish, collect cute species, and customize your digital space. Earn continuous rewards even while offline, decorate freely with simple taps and soothing sounds, build your serene desktop oasis effortlessly.

    2025IndieSimulationCasual4.99 USDSteam ↗
  5. The Great Ocean

    WHY THIS

    Ranked #5 for Behind Glass: Aquarium Simulator fans by collaborative filtering across millions of Steam libraries. Shares Simulation with Behind Glass: Aquarium Simulator.

    Dive into the earth’s oceans. Explore in your high-tech submarine fascinating spots like the Galapagos or the Deep Sea. Use your tools to solve quests when you free jailed whales, or explore sunken WW2 battleships. Swim with majestic whales, sharks and sea turtles.

    2026ActionAdventureSimulation9.99 USDSteam ↗
  6. Ant Keeping Simulator

    WHY THIS

    Shares an atmospheric mood with Behind Glass: Aquarium Simulator.

    Ranked #6 for Behind Glass: Aquarium Simulator fans by collaborative filtering across millions of Steam libraries. Shares Simulation and Casual with Behind Glass: Aquarium Simulator.

    Grow, feed and care for your colony of mighty ants in a realistic semi-idle simulation of ant keeping. Created in collaboration with ant keeping enthusiasts, Ant Keeping Simulator will be an accurate experience to ant keepers.

    2024SimulationCasual8.99 USDDeck PlayableSteam ↗
  7. GARDEN&BIRD

    WHY THIS

    Ranked #7 for Behind Glass: Aquarium Simulator fans by collaborative filtering across millions of Steam libraries. Shares Indie and Simulation with Behind Glass: Aquarium Simulator.

    The arrival of birds turned the deserted island into a garden, creating your own unique garden in the sandbox!

    2025IndieSimulationCasual9.99 USDSteam ↗
  8. Call of Farming

    WHY THIS

    Ranked #8 for Behind Glass: Aquarium Simulator fans by collaborative filtering across millions of Steam libraries. Shares Indie and Simulation with Behind Glass: Aquarium Simulator.

    A game for you to create your own farming or simulation game. It includes an inventory, craft, building, growing plants, farm animals and much more.

    2023IndieSimulationCasualFreeSteam ↗

Cheaper alternatives

Games in the same vein priced at least 40% below Behind Glass: Aquarium Simulator at current Steam store prices.

  1. Garry's Mod

    WHY THIS

    Priced ~67% under Behind Glass: Aquarium Simulator on Steam right now. Shares Indie and Simulation with Behind Glass: Aquarium Simulator.

    Garry's Mod is a physics sandbox. There aren't any predefined aims or goals. We give you the tools and leave you to play.

    2006IndieSimulationCasual4.99 USDDeck PlayableSteam ↗
  2. Vampire Survivors

    WHY THIS

    Priced ~67% under Behind Glass: Aquarium Simulator on Steam right now. Shares Indie and Casual with Behind Glass: Aquarium Simulator.

    Mow down thousands of night creatures and survive until dawn! Vampire Survivors is a gothic horror casual game with rogue-lite elements, where your choices can allow you to quickly snowball against the hundreds of monsters that get thrown at you. Be the bullet hell!

    2022ActionIndieRPG4.99 USDDeck VerifiedSteam ↗
  3. PEAK

    WHY THIS

    Priced ~47% under Behind Glass: Aquarium Simulator on Steam right now. Shares Indie with Behind Glass: Aquarium Simulator.

    PEAK is a co-op climbing game where the slightest mistake can spell your doom. Either solo or as a group of lost nature scouts, your only hope of rescue from a mysterious island is to scale the mountain at its center. Do you have what it takes to reach the PEAK?

    2025ActionIndieAdventure7.99 USDDeck VerifiedSteam ↗
  4. Slay the Spire

    WHY THIS

    Priced ~58% under Behind Glass: Aquarium Simulator on Steam right now. Shares Indie with Behind Glass: Aquarium Simulator.

    We fused card games and roguelikes together to make the best single player deckbuilder we could. Craft a unique deck, encounter bizarre creatures, discover relics of immense power, and Slay the Spire!

    2019StrategyIndie6.24 USDDeck VerifiedSteam ↗
  5. Inscryption

    WHY THIS

    Priced ~47% under Behind Glass: Aquarium Simulator on Steam right now. Shares Indie with Behind Glass: Aquarium Simulator.

    Inscryption is an inky black card-based odyssey that blends the deckbuilding roguelike, escape-room style puzzles, and psychological horror into a blood-laced smoothie. Darker still are the secrets inscrybed upon the cards...

    2021StrategyIndieAdventure7.99 USDDeck PlayableSteam ↗
  6. Cookie Clicker

    WHY THIS

    Priced ~67% under Behind Glass: Aquarium Simulator on Steam right now. Shares Indie and Simulation with Behind Glass: Aquarium Simulator.

    An idle game about making cookies! Originally released in 2013 on the web, and actively developed since then. This is the official version for Steam.

    2021StrategyIndieSimulation4.99 USDDeck PlayableSteam ↗
  7. WEBFISHING

    WHY THIS

    Priced ~67% under Behind Glass: Aquarium Simulator on Steam right now. Shares Indie and Casual with Behind Glass: Aquarium Simulator.

    WEBFISHING a multiplayer chatroom-focused fishing game! Relax and fish (on the web!)

    2024IndieMassively MultiplayerCasual4.99 USDSteam ↗
  8. Noita

    WHY THIS

    Priced ~47% under Behind Glass: Aquarium Simulator on Steam right now. Shares Indie and Simulation with Behind Glass: Aquarium Simulator.

    Noita is a magical action roguelite set in a world where every pixel is physically simulated. Fight, explore, melt, burn, freeze and evaporate your way through the procedurally generated world using spells you've created yourself.

    2020ActionIndieAdventure7.99 USDDeck VerifiedSteam ↗

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 Behind Glass: Aquarium Simulator.

    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. NGU IDLE

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Simulation with Behind Glass: Aquarium Simulator.

    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 ↗
  3. Virtual Cottage

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Simulation with Behind Glass: Aquarium Simulator.

    Virtual Cottage gives you a comfy place to rest and be productive without any distractions. Open the game, set yourself a goal and enjoy the atmosphere.

    2020IndieSimulationFree To PlayFreeDeck PlayableSteam ↗
  4. Steam Engine Simulator

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Simulation with Behind Glass: Aquarium Simulator.

    The Steam Engine Simulator shown on AngeTheGreat's YouTube channel.

    2023SimulationFreeDeck VerifiedSteam ↗
  5. Magic Archery

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Simulation with Behind Glass: Aquarium Simulator.

    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 ↗
  6. Coloring Pixels

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Casual with Behind Glass: Aquarium Simulator.

    A relaxing coloring by numbers game. Enjoy completing a variety of images with differing themes, complexity, and sizes.

    2018IndieFree To PlayCasualFreeSteam ↗
  7. 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 Behind Glass: Aquarium Simulator.

    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 ↗
  8. DORONKO WANKO

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Simulation and Casual with Behind Glass: Aquarium Simulator.

    『DORONKO WANKO』 is a DORONKO Action Game. In this game, You can become a cute, innocent Pomeranian, make your master's home messy and dirty. "Will the master be angry with me?" Don't worry. Because you are a sweet doggie.

    2024ActionSimulationFree To PlayFreeSteam ↗

Frequently asked about Behind Glass: Aquarium Simulator

Does Behind Glass: Aquarium Simulator run on Steam Deck?
Behind Glass: Aquarium Simulator is rated Playable on Steam Deck — it runs, but expect some manual adjustments (control remapping, text size, or graphics settings) for the best experience.
How much does Behind Glass: Aquarium Simulator cost?
Behind Glass: Aquarium Simulator is listed on Steam at 14.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to Behind Glass: Aquarium Simulator?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Behind Glass: Aquarium Simulator are Aquarium Designer, Neptune's Garden, Isopod Keeping Simulator.
Who developed Behind Glass: Aquarium Simulator?
Behind Glass: Aquarium Simulator was developed by BitBros Inc.

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 Behind Glass: Aquarium Simulator.

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