IMHO.

Games like Megaquarium

If Megaquarium is your kind of game, the closest matches are Parkasaurus, Let's Build a Zoo and Lured In — picked from the ranked list below. Reviewers single out its educational content on fish, intricate aquarium design and immersive. 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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Megaquarium is a public aquarium management simulation released in 2018 by Twice Circled. Players design aquarium habitats, manage fish stock, oversee staff, and ensure visitor satisfaction in a sandbox environment combining park simulation with resource management mechanics. The game offers long sessions with a chill difficulty profile and has received ongoing expansion through DLC updates. Reviewers note the educational content regarding marine life adds depth to the experience, while players describe the intricate aquarium design as a compelling hook. The simulation runs at a relaxed pace suited to solo play, with an atmospheric quality that reviewers find immersive. Priced at $24.99 USD, it holds a 96% positive rating from over 2,300 Steam reviews and functions as a playable experience on Steam Deck.

About Megaquarium: The public aquarium simulator. Design your displays, look after your fish, manage your staff and keep your guests happy! It's all in a day's work as the curator of your very own Megaquarium.

2018StrategyIndieSimulationCasual24.99 USDDeck PlayableMetacritic 69Windows · macOS · Linuxby Twice Circled
Megaquarium — Steam game cover
Players highlight
Continual updates and new dlcEducational content on fishIntricate aquarium designImmersiveRelaxingAquarium design

Players who liked Megaquarium also play

Steam players who put hours into Megaquarium 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. Parkasaurus

    WHY THIS

    Shares a relaxing mood with Megaquarium.

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

    Parkasaurus is a dinosaur tycoon management simulation where you take care of your dinosaurs by constructing well-designed exhibits, researching specialized technologies, and maximizing profits to expand into the ultimate dinosaur theme park. Do you favor development for guests or your dinosaurs?

    2020StrategySimulation24.99 USDDeck PlayableSteam ↗
  2. Let's Build a Zoo

    WHY THIS

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

    It's time to Build a Zoo! Construct and decorate enclosures, buy and breed animals, hire zookeepers and vets... then try your hand at DNA splicing, and stitch together over 300,000 different types of animal. This can only go smoothly...

    2021StrategySimulation19.99 USDDeck PlayableSteam ↗
  3. Lured In

    WHY THIS

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

    Run your own cozy aquarium! Travel to different places to catch all types of fish. Bring them back for idle profits, or sell them for instant cash. Unlock research for new upgrades, and ascend for powerful bonuses. Customize your character and tanks, and make your aquarium your own!

    2026IndieSimulationCasualSteam ↗
  4. Planet Zoo

    WHY THIS

    Shares a relaxing mood with Megaquarium.

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

    Build a world for wildlife in Planet Zoo. From the developers of Planet Coaster and Zoo Tycoon comes the ultimate zoo sim. Construct detailed habitats, manage your zoo, and meet authentic living animals who think, feel and explore the world you create around them.

    2019StrategySimulationCasual44.99 USDDeck PlayableSteam ↗
  5. Chillquarium

    WHY THIS

    Shares a relaxing mood with Megaquarium.

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

    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 ↗
  6. Cast n Chill

    WHY THIS

    Shares a relaxing mood with Megaquarium.

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

    Cast n Chill is a relaxing fishing game where you explore serene lakes, rivers, and oceans. Catch rare fish, upgrade your gear and reel in legendary catches - all with your loyal companion by your side.

    2025SportsIndieSimulation14.99 USDDeck VerifiedSteam ↗
  7. Tiny Aquarium: Social Fishkeeping

    WHY THIS

    Shares a relaxing mood with Megaquarium.

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

    A happy aquarium that lives at the bottom of your screen! Tiny Aquarium is a social idle simulator that keeps growing, even when offline. Hatch, sell fish, decorate, go fishin’, and visit your friends’ aquariums with bite-sized daily sessions.

    2025IndieSimulationMassively Multiplayer7.49 USDDeck PlayableSteam ↗
  8. Farm Manager 2018

    WHY THIS

    Shares a relaxing mood with Megaquarium.

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

    Manage your own farm in the game Farm Manager 2018! To expand your farm business, produce cheap and sell your products in high prices. Control the process of land cultivation, employ the best staff, buy the most appropriate farm equipment, raise livestock and process the harvested crops.

    2018StrategyIndieSimulation1.99 USDDeck PlayableSteam ↗

Reviewers mention these as similar to Megaquarium

Surfaced from review text: when other players write 'if you liked X, try Y', we catch the name and resolve it back to a Steam game.

  1. Zoo Tycoon: Ultimate Animal Collection

    WHY THIS

    Reviewers of Megaquarium cross-mention this title as a similar play. Shares Simulation with Megaquarium.

    The wildly popular Zoo Tycoon series gets set to crank up the excitement, challenge, and fun of building the ultimate zoo. Let your imagination run wild with Zoo Tycoon: Ultimate Animal Collection. Build, manage, and maintain your dream zoo alone or with up to four players.

    2018Simulation19.99 USDSteam ↗
  2. Planet Zoo

    WHY THIS

    Shares a relaxing mood with Megaquarium.

    Reviewers of Megaquarium cross-mention this title as a similar play. Shares Strategy and Simulation with Megaquarium.

    Build a world for wildlife in Planet Zoo. From the developers of Planet Coaster and Zoo Tycoon comes the ultimate zoo sim. Construct detailed habitats, manage your zoo, and meet authentic living animals who think, feel and explore the world you create around them.

    2019StrategySimulationCasual44.99 USDDeck PlayableSteam ↗
  3. PC Tycoon 2

    WHY THIS

    Shares a relaxing mood with Megaquarium.

    Reviewers of Megaquarium cross-mention this title as a similar play. Shares Strategy and Indie with Megaquarium.

    Manage your computer company and develop your PC components, create your own laptop, monitor, develop an interactive operating system or build your PC. Research new technologies, improve your office and your factory, hire the best employees, buy other companies and build your computer empire!

    2024StrategyIndieSimulation7.99 USDDeck PlayableSteam ↗
  4. The Last Hospital

    WHY THIS

    Reviewers of Megaquarium cross-mention this title as a similar play. Shares Indie and Simulation with Megaquarium.

    Every decision made influences humanity's fate, with USMLE level medical questions woven into patient care, revealing the mysteries of a dying world.

    2024IndieAdventureSimulation16.99 USDSteam ↗

Cheaper alternatives

Games in the same vein priced at least 40% below Megaquarium at current Steam store prices.

  1. Terraria

    WHY THIS

    Priced ~60% under Megaquarium on Steam right now. Shares Indie with Megaquarium.

    Dig, fight, explore, build! Nothing is impossible in this action-packed adventure game. Four Pack also available!

    2011ActionIndieAdventure9.99 USDDeck VerifiedSteam ↗
  2. Garry's Mod

    WHY THIS

    Priced ~80% under Megaquarium on Steam right now. Shares Indie and Simulation with Megaquarium.

    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 ↗
  3. Lethal Company

    WHY THIS

    Priced ~60% under Megaquarium on Steam right now. Shares Indie with Megaquarium.

    A co-op horror about scavenging at abandoned moons to sell scrap to the Company.

    2023ActionIndieAdventure9.99 USDDeck PlayableSteam ↗
  4. Bloons TD 6

    WHY THIS

    Priced ~44% under Megaquarium on Steam right now. Shares Strategy with Megaquarium.

    The Bloons are back and better than ever! Get ready for a massive 3D tower defense game designed to give you hours and hours of the best strategy gaming available.

    2018Strategy13.99 USDDeck PlayableSteam ↗
  5. People Playground

    WHY THIS

    Priced ~60% under Megaquarium on Steam right now. Shares Indie and Simulation with Megaquarium.

    Shoot, stab, burn, poison, tear, vaporise, or crush ragdolls in a large open space.

    2019ActionIndieSimulation9.99 USDDeck PlayableSteam ↗
  6. Undertale

    WHY THIS

    Priced ~60% under Megaquarium on Steam right now. Shares Indie with Megaquarium.

    UNDERTALE! The RPG game where you don't have to destroy anyone.

    2015IndieRPG9.99 USDDeck PlayableSteam ↗
  7. Vampire Survivors

    WHY THIS

    Priced ~80% under Megaquarium on Steam right now. Shares Indie and Casual with Megaquarium.

    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 ↗
  8. PEAK

    WHY THIS

    Priced ~68% under Megaquarium on Steam right now. Shares Indie with Megaquarium.

    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 ↗

Free alternatives

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

  1. Doki Doki Literature Club!

    WHY THIS

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

    The Literature Club is full of cute girls! Will you write the way into their heart? This game is not suitable for children or those who are easily disturbed.

    2017IndieFree To PlayCasualFreeDeck PlayableSteam ↗
  2. Ultimate Custom Night

    WHY THIS

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

    Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!

    2018ActionIndieFree To PlayFreeSteam ↗
  3. Bongo Cat

    WHY THIS

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

    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 ↗
  4. 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 Megaquarium.

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

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

    WHY THIS

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

    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 ↗
  6. 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 Megaquarium.

    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 ↗
  7. missed messages.

    WHY THIS

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

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

    2019IndieSimulationFree To PlayFreeDeck PlayableSteam ↗
  8. NGU IDLE

    WHY THIS

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

    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 ↗

Frequently asked about Megaquarium

Does Megaquarium run on Steam Deck?
Megaquarium 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 Megaquarium cost?
Megaquarium is listed on Steam at 24.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to Megaquarium?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Megaquarium are Parkasaurus, Let's Build a Zoo, Lured In.
Who developed Megaquarium?
Megaquarium was developed by Twice Circled.

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 Megaquarium.

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