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Games Like Megaquarium

60+ similar titles based on shared tags and player behavior. Themes include Simulation, Sandbox, Singleplayer, Management.

Megaquarium header art

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.

Reviews: Overwhelmingly Positive — 95% — of 3,644 reviews
Released: 2018-09-13
Developer: Twice Circled
Genres: Casual, Indie, Simulation, Strategy
Platforms: Windows, Mac, Linux
Median playtime: 2.4 hrs
Mean playtime: 14.8 hrs
Players ≥ 1 hr: 67%

Overview

Megaquarium stands out for its satisfying blend of complex logistics, exhibit design, and the relaxing joy of curating marine life. These recommendations prioritize games that balance deep management systems with creative building mechanics, ensuring you get that same rewarding loop of designing functional spaces and watching your creations thrive.

Similar Games

View all 60 recommendations
  1. #1 Let's Build a Zoo
    97% matchVery Positive89% of 4,032 reviews2021
    Dev: SpringloadedPub: No More Robots
    Windows
    Median: 4.4 hrsMean: 12.9 hrs≥1hr: 80%

    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...

    Why similar: Creature Collector 22.6%, Management 15%, Building 14.7%, Sandbox 14.7%, Simulation 9.4%

    Why You'll Like It: Features a similar focus on creature management, exhibit design, and balancing guest needs with animal welfare.

  2. #2 Planet Zoo
    96% matchVery Positive91% of 93,912 reviews2019
    Dev: Frontier Developments
    Windows
    Median: 6.4 hrsMean: 34.2 hrs≥1hr: 84%

    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.

    Why similar: Management 21.6%, Building 20%, Sandbox 16%, Simulation 9.9%, Economy 9.5%

    Why You'll Like It: Offers the gold standard in animal exhibit design and complex management mechanics for a high-fidelity experience.

  3. #3 Aquaculture Land: Fish Farming Simulation
    96% matchMostly Positive77% of 203 reviews2022
    Dev: Maulidan Games
    Windows

    Aquaculture Land is a fish farming management game. You will act as a freshwater fish farm manager to nurture different varieties of fish, produce high-quality commodities, and fulfill your customers' needs to grow your business.

    Why similar: Fishing 18.8%, Building 17.5%, Management 17.3%, Sandbox 16%, Economy 12.2%

    Why You'll Like It: Directly mirrors the theme of managing aquatic environments and fish populations with a focus on economic growth.

  4. #4 Two Point Hospital
    95% matchVery Positive92% of 34,380 reviews2018
    Dev: Two Point StudiosPub: SEGA
    Windows · Mac · Linux
    Median: 5.5 hrsMean: 34.9 hrs≥1hr: 89%

    Design stunning hospitals, cure peculiar illnesses and manage troublesome staff as you spread your budding healthcare organisation across Two Point County.

    Why similar: Management 31.8%, Building 28.6%, Simulation 18%, Sandbox 12.6%, Strategy 2.7%

    Why You'll Like It: Shares the same humorous, layout-focused management style where optimizing room placement is key to success.

  5. #5 Parkasaurus
    94% matchVery Positive93% of 3,092 reviews2020
    Dev: Washbear Studio
    Windows
    Median: 3.2 hrsMean: 6.1 hrs≥1hr: 80%

    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?

    Why similar: Building 19.9%, Management 19.6%, Sandbox 15.1%, Economy 10.1%, Resource Management 8.6%

    Why You'll Like It: A cute, accessible management sim that tasks you with designing exhibits and keeping both your dinosaurs and visitors happy.

  6. #6 Chillquarium
    94% matchVery Positive92% of 8,063 reviews2023
    Dev: Ben Reber
    Windows · Mac
    Median: 16.6 hrsMean: 51.9 hrs≥1hr: 88%

    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!

    Why similar: Creature Collector 23.2%, Underwater 22.5%, Fishing 14.5%, Economy 8.5%, Capitalism 6.7%

    Why You'll Like It: A relaxing, low-stress alternative that focuses on the joy of collecting and growing fish in a virtual tank.

  7. #7 Two Point Campus
    93% matchVery Positive88% of 7,816 reviews2022
    Dev: Two Point StudiosPub: SEGA
    Windows · Mac · Linux
    Median: 5.4 hrsMean: 19.6 hrs≥1hr: 84%

    Build the university of your dreams with Two Point Campus, the sim with a twist from the makers of Two Point Hospital. Build, hire staff and run an academic institution packed with wild courses.

    Why similar: Management 25%, Building 22.4%, Sandbox 16.1%, Simulation 10.7%, Economy 5.5%

    Why You'll Like It: Provides a polished building and management experience that emphasizes efficient room design and staff coordination.

  8. #8 Aquarium Designer
    92% matchVery Positive86% of 1,174 reviews2021
    Dev: Sigur StudioPub: Games Operators
    Windows
    Median: 54 minMean: 2.8 hrs≥1hr: 48%

    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!

    Why similar: Underwater 38.6%, Management 12.5%, Resource Management 10.5%, Sandbox 9.4%, Relaxing 7%

    Why You'll Like It: Focuses specifically on the creative aspect of building and decorating aquariums for various clients.

  9. #9 Prehistoric Kingdom
    91% matchVery Positive89% of 5,727 reviews2022
    Dev: Blue MeridianPub: Crytivo
    Windows
    Median: 2.0 hrsMean: 10.1 hrs≥1hr: 66%

    Take on the role of park manager and design the ultimate zoo for nature's greatest creations.

    Why similar: Building 21.1%, Management 20%, Sandbox 19.1%, Economy 12%, Resource Management 11.7%

    Why You'll Like It: Focuses heavily on the creative design of enclosures and the scientific management of prehistoric creatures.

  10. #10 Fish Game
    91% matchVery Positive93% of 602 reviews2023
    Dev: A Shell in the Pit Games
    Windows

    Fish Game is a detailed and highly “sofishticated” freshwater aquarium simulator, lovingly crafted *by* enthusiasts *for* enthusiasts! Featuring fish with personalities and dynamic relationships, water quality modeling, and so much more! Made with support from our friends at Smarter Every Day!

    Why similar: Underwater 25.7%, Creature Collector 21%, Fishing 13.1%, Building 12.6%, Sandbox 12.3%

    Why You'll Like It: Offers a more immersive and realistic simulation of aquarium maintenance and fish behavior.

  11. #11 Jurassic World Evolution 2
    90% matchVery Positive90% of 45,488 reviews2021
    Dev: Frontier Developments
    Windows
    Median: 4.9 hrsMean: 22.3 hrs≥1hr: 83%

    Jurassic World Evolution 2 is the much-anticipated sequel to Frontier’s highly successful Jurassic World Evolution. This bold new era in the Jurassic World Evolution game franchise builds upon the ground-breaking and immersive 2018 management simulation.

    Why similar: Building 26.6%, Management 21.1%, Sandbox 20.4%, Simulation 10.1%, Economy 9.1%

    Why You'll Like It: Combines creature care with complex exhibit construction and park management in a high-stakes environment.

  12. #12 Loddlenaut
    89% matchOverwhelmingly Positive98% of 5,507 reviews2023
    Dev: Moon LagoonPub: Secret Mode
    Windows · Mac
    Median: 3.7 hrsMean: 6.0 hrs≥1hr: 89%

    Play as an interstellar custodian sent to clean up a polluted ocean planet. Pick up trash, explore the vibrant waters, and take care of axolotl-like alien creatures!

    Why similar: Underwater 45.8%, Creature Collector 24%, Sandbox 10.4%, Relaxing 8%, Cute 7.7%

    Why You'll Like It: Captures the relaxing, underwater aesthetic of Megaquarium while focusing on cleaning and caring for cute aquatic creatures.

  13. #13 Little Big Workshop
    88% matchVery Positive84% of 3,350 reviews2019
    Dev: Mirage Game StudiosPub: HandyGames
    Windows · Mac
    Median: 4.4 hrsMean: 8.1 hrs≥1hr: 89%

    Manage your workers, stations, machines and create awesome stuff as your little big workshop grows into your dream factory!

    Why similar: Management 18.7%, Building 18.3%, Simulation 16.4%, Sandbox 11.7%, Resource Management 11.5%

    Why You'll Like It: Features deep logistics and management gameplay where you must organize a workspace to maximize efficiency.

  14. #14 Hotel Architect
    86% matchVery Positive94% of 1,342 reviews2025
    Dev: Pathos InteractivePub: Wired Productions
    Windows
    Median: 6.1 hrsMean: 12.6 hrs≥1hr: 80%

    Step into the shoes of a hotel owner as you design, build, and manage grand hotels around the world. Juggle demanding guests, frantic logistics, and plenty of unexpected surprises in Hotel Architect; the ultimate hotel construction and tycoon management game!

    Why similar: Building 17.3%, Management 15.4%, Sandbox 15.3%, Economy 11.6%, Capitalism 8.7%

    Why You'll Like It: Focuses on the architectural and logistical challenges of building and managing a complex facility.

  15. #15 Aquatico
    87% matchMixed67% of 858 reviews2023
    Dev: Digital Reef GamesPub: Overseer Games
    Windows
    Median: 3.5 hrsMean: 8.0 hrs≥1hr: 83%

    Aquatico is a classic city builder set within the depths of the sea. Strategically build an underwater colony atop the ocean floor and face the challenges that accompany oceanic life.

    Why similar: Underwater 40.2%, Building 16.2%, Management 13.3%, Economy 10.8%, Resource Management 7.1%

    Why You'll Like It: Transfers the management and building genre to an underwater setting, requiring careful resource and layout planning.

  16. #16 Wildlife Park 3
    89% matchMixed59% of 522 reviews2014
    Dev: b-alive gmbh
    Windows
    Median: 7.8 hrsMean: 8.9 hrs≥1hr: 87%

    Do you have what it takes to be a zoo tycoon? You are responsible for your very own and unique zoo. Choose from numerous types of enclosures, park buildings and plants to design an environment appropriate to each species. Take home a part of wilderness with Wildlife Park 3!

    Why similar: Management 20%, Building 16.4%, Sandbox 14%, Simulation 12.8%, Economy 10.1%

    Why You'll Like It: A classic management simulation that emphasizes the construction of habitats and the care of diverse animal species.

  17. #17 Insaniquarium Deluxe
    86% matchOverwhelmingly Positive97% of 6,542 reviews2006
    Dev: PopCap Games, Inc.
    Windows
    Median: 1.4 hrsMean: 8.1 hrs≥1hr: 58%

    The craziest aquarium game ever! Tend to your fish, keep them happy and they'll reward you with coins and jewels. Buy tank upgrades or egg parts which hatch different in-tank pets. These pets can help you feed your fish, collect coins, or even protect against the aliens that will invade your tank.

    Why similar: Underwater 56.1%, Casual 10.9%, Cute 7.1%, Simulation 7%, Management 6.6%

    Why You'll Like It: A classic, fast-paced take on aquarium management that focuses on creature care and resource collection.

  18. #18 Hotel Magnate
    85% matchMixed60% of 481 reviews2025
    Dev: Arcade Oven
    Windows · Mac · Linux

    Have you ever wanted to design and manage your own hotel, rundown motel, or elegant resort? With a ridiculous amount of customization tools to wield, a host of facilities to build, and a wide variety of guests to impress, Hotel Magnate has it all. Let your inner hotel manager shine!

    Why similar: Building 16.1%, Management 15%, Sandbox 14.1%, Resource Management 10.1%, Economy 9.7%

    Why You'll Like It: Provides a detailed sandbox experience centered on designing, building, and running a successful hotel business.

  19. #19 Indoorlands
    84% matchVery Positive81% of 269 reviews2022
    Dev: Pixelsplit
    Windows · Mac · Linux
    Median: 3.5 hrsMean: 6.7 hrs≥1hr: 79%

    The indoor park management simulator where you can create your rides and coasters from scratch and freely design your halls. Manage, expand and develop your own park to inspire your guests. Satisfy your visitors' needs by unlocking and researching new buildings, rides, transportation and more!

    Why similar: Building 19.9%, Management 18.6%, Sandbox 12.7%, Resource Management 11.5%, Simulation 9.4%

    Why You'll Like It: A theme park management game that emphasizes creative building and the strategic placement of attractions.

  20. #20 Creatura
    84% matchMixed68% of 228 reviews2021
    Dev: Koksny.com
    Windows · Linux
    Median: 30 minMean: 8.3 hrs≥1hr: 35%

    Seed, Breed, Create. From single cell organisms to complex ecosystems. Evolve every part of your own unique aquarium / terrarium by applying scientifically accurate principles of natural and artificial selection, in Creatura - ultimate Virtual Evolution Vivarium Simulator.

    Why similar: Underwater 31.3%, Creature Collector 20.3%, Sandbox 13.6%, Fishing 11.2%, Simulation 7.1%

    Why You'll Like It: A unique simulation that focuses on the science of evolution and ecosystem management in a sandbox environment.

  21. #21 Project Highrise
    83% matchVery Positive85% of 4,730 reviews2016
    Dev: SomaSimPub: Kasedo Games
    Windows · Mac
    Median: 8.7 hrsMean: 32.1 hrs≥1hr: 85%

    Project Highrise is a skyscraper construction and management sim...

    Why similar: Management 30.2%, Building 28.7%, Simulation 14.4%, Sandbox 11.3%, Economy 7%

    Why You'll Like It: Challenges you to manage a vertical space, focusing on layout efficiency and tenant satisfaction similar to aquarium zoning.

  22. #22 Tavern Master
    81% matchVery Positive92% of 12,821 reviews2021
    Dev: Untitled Studio
    Windows · Mac · Linux
    Median: 7.8 hrsMean: 11.6 hrs≥1hr: 86%

    Tavern Master is all about managing your medieval tavern. You start with a very small room, couple of benches and tables and build your way up to a huge successful tavern with a kitchen, rooms for guests, group of loyal staff and much more!

    Why similar: Management 32.2%, Building 29.2%, Resource Management 13.8%, Simulation 13.3%, Relaxing 5.1%

    Why You'll Like It: A relaxing management game that focuses on building and optimizing a tavern layout to keep patrons happy.

  23. #23 Software Inc.
    82% matchVery Positive94% of 7,637 reviews2015
    Dev: Coredumping
    Windows · Mac · Linux
    Median: 13.9 hrsMean: 45.6 hrs≥1hr: 85%

    Construct and design buildings for optimal working conditions. Hire people to design and release software, so you can defeat the simulated competition and take over their businesses. Manage and educate your employees to make sure they are skilled and satisfied with their job.

    Why similar: Moddable 17.4%, Building 17.2%, Management 16.6%, Sandbox 14.2%, Economy 12.3%

    Why You'll Like It: Offers deep management and building mechanics where you must design office layouts to support your growing business.

  24. #24 Game Dev Tycoon
    82% matchOverwhelmingly Positive95% of 44,663 reviews2013
    Dev: Greenheart Games 💚
    Windows · Mac · Linux
    Median: 8.0 hrsMean: 15.4 hrs≥1hr: 94%

    In Game Dev Tycoon you replay the history of the gaming industry by starting your own video game development company in the 80s. Create best selling games. Research new technologies and invent new game types. Become the leader of the market and gain worldwide fans.

    Why similar: Management 42.2%, Simulation 19%, Economy 10.7%, Moddable 9.5%, Sandbox 5.7%

    Why You'll Like It: A classic management sim that focuses on the progression and strategic decision-making found in Megaquarium.

  25. #25 Mad Games Tycoon 2
    80% matchVery Positive94% of 7,570 reviews2023
    Dev: Eggcode
    Windows · Mac
    Median: 14.7 hrsMean: 36.1 hrs≥1hr: 88%

    Start your own game development studio in 1976. Build your own offices, production facilities and server rooms. Develop the games of your dreams and produce the next next-gen console. Rise from a small garage company to a huge corporation.

    Why similar: Management 25.3%, Building 17.4%, Economy 17.1%, Sandbox 14.1%, Simulation 9.7%

    Why You'll Like It: Provides a more complex, granular management experience for those who enjoy the logistical side of building sims.

  26. #26 Academia : School Simulator
    81% matchVery Positive86% of 3,008 reviews2021
    Dev: Squeaky Wheel Studio IncPub: Paradox Interactive
    Windows · Mac
    Median: 7.4 hrsMean: 12.0 hrs≥1hr: 85%

    Design, build, and manage a high school with terrific teachers and fantastic facilities or simply let your students poop in the bushes? Academia : School Simulator is a management/tycoon game where you get to decide!

    Why similar: Management 17%, Building 16.3%, Moddable 13.8%, Sandbox 13.2%, Economy 11.1%

    Why You'll Like It: Allows you to design and manage a school, requiring the same attention to room placement and staff management.

  27. #27 Two Point Museum
    77% matchOverwhelmingly Positive95% of 11,346 reviews2025
    Dev: Two Point StudiosPub: SEGA
    Windows · Mac · Linux
    Median: 8.8 hrsMean: 24.8 hrs≥1hr: 88%

    Curate and manage incredible museums! Explore to discover amazing artifacts. Design and refine the layout, keep staff happy, guests entertained, donations plentiful… and children off the exhibits

    Why similar: Building 22.2%, Sandbox 17%, Management 14.1%, Simulation 11.1%, Economy 9.7%

  28. #28 Big Ambitions
    78% matchVery Positive93% of 12,519 reviews2023
    Dev: Hovgaard Games
    Windows · Mac
    Median: 10.8 hrsMean: 24.0 hrs≥1hr: 88%

    Big Ambitions is a revolutionary role-playing business sim. Go from nothing to the biggest entrepreneur in New York by opening small businesses or slowly building huge corporations any way you like.

    Why similar: Management 31.8%, Economy 19.7%, Capitalism 13.6%, Sandbox 13.5%, Simulation 10.2%

    Why You'll Like It: Offers a highly detailed management experience that allows you to build and run multiple businesses from the ground up.

  29. #29 Prison Architect
    79% matchVery Positive89% of 73,112 reviews2015
    Dev: Introversion SoftwarePub: Paradox Interactive
    Windows · Mac · Linux
    Median: 6.0 hrsMean: 30.1 hrs≥1hr: 87%

    Only the world’s most ruthless Warden can contain the world’s most ruthless inmates. Design and develop your personalized penitentiary in Prison Architect.

    Why similar: Building 19.5%, Sandbox 16.7%, Management 15.7%, Moddable 12.5%, Simulation 8.7%

    Why You'll Like It: A masterclass in layout-based management where the efficiency of your building design directly impacts your success.

  30. #30 Tiny Aquarium: Social Fishkeeping
    76% matchOverwhelmingly Positive96% of 3,220 reviews2025
    Dev: Lunheim StudiosPub: Future Friends Games
    Windows · Mac · Linux
    Median: 5.4 hrsMean: 37.4 hrs≥1hr: 79%

    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.

    Why similar: Underwater 24%, Creature Collector 22.6%, Fishing 15.3%, Management 12.2%, Economy 9.6%

  31. #31 Airport CEO
    78% matchVery Positive83% of 8,135 reviews2021
    Dev: Apog Labs
    Windows · Mac
    Median: 6.8 hrsMean: 27.0 hrs≥1hr: 72%

    Build and manage an international airport!

    Why similar: Moddable 19.8%, Building 14.8%, Management 14.4%, Sandbox 12.6%, Resource Management 11.6%

    Why You'll Like It: Requires careful planning and layout design to manage the complex logistics of a busy airport facility.

  32. #32 Aquarist
    77% matchVery Positive84% of 1,085 reviews2024
    Dev: FreeMind S.A.Pub: PlayWay S.A.
    Windows
    Median: 2.9 hrsMean: 5.7 hrs≥1hr: 79%

    A relaxing sandbox casual simulation game where you perform various, even strange, aquarium-related tasks on very diverse levels. As an Aquarist you must create and manage a home to amazing fish🐟, sea turtles🐢, sharks🦈, octopuses🐙, and more🐬. Aquarium is their world and life. Make it worth...

    Why similar: Underwater 20.7%, Creature Collector 14.8%, Fishing 12.2%, Sandbox 10.2%, Management 9.9%

  33. #33 Rise of Industry
    79% matchMostly Positive73% of 4,155 reviews2019
    Dev: Dapper Penguin StudiosPub: Kasedo Games
    Windows · Mac · Linux
    Median: 4.7 hrsMean: 10.8 hrs≥1hr: 80%

    Put your entrepreneurial skills to the test in the first title in the ROI series as you create & optimise intricate production lines. As an early 20th-Century industrialist, grow your empire & adapt to an ever-changing business landscape with unexpected events that could lead to boom…or bust.

    Why similar: Management 23.9%, Economy 16.8%, Resource Management 12.9%, Building 11.5%, Simulation 10%

    Why You'll Like It: Focuses on the complex supply chain and resource management aspects that underpin many successful tycoon games.

  34. #34 Idlequarium
    75% matchMostly Positive74% of 168 reviews2025
    Dev: NutsXPub: Gamersky Games
    Windows

    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.

    Why similar: Underwater 29.8%, Creature Collector 21.1%, Fishing 11.9%, Management 11.5%, Economy 8.7%

  35. #35 Joyquarium
    74% matchVery Positive92% of 498 reviews2025
    Dev: Easyfun StudioPub: Gamersky Games
    Windows
    Median: 14.2 hrsMean: 41.1 hrs≥1hr: 86%

    Joyquarium is a relaxing casual fish-raising game. Buy various cute fry and sell them at a high price after they grow up. With the money you earn, you can purchase aquatic plants, driftwood, scenery stone, etc. to decorate your tank (you can freely adjust the color, size, and position).

    Why similar: Underwater 25.6%, Creature Collector 21.8%, Fishing 14.9%, Economy 9.1%, Resource Management 5.9%

  36. #36 Cast n Chill
    73% matchOverwhelmingly Positive95% of 7,084 reviews2025
    Dev: Wombat Brawler
    Windows · Mac
    Median: 4.5 hrsMean: 13.6 hrs≥1hr: 74%

    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.

    Why similar: Underwater 22.6%, Creature Collector 22.2%, Fishing 20.6%, Relaxing 8.3%, Resource Management 8.1%

  37. #37 Monster Care Simulator
    72% matchVery Positive93% of 674 reviews2025
    Dev: Banana Tiger Studio
    Windows
    Median: 5.3 hrsMean: 12.1 hrs≥1hr: 90%

    Manage a care center for adorable monsters in Monster Care Simulator! Treat clients' creatures, hatch eggs, raise your own companions, and keep them happy with fun activities. Hire staff, expand your facilities, and customize your space to build the ultimate monster sanctuary!

    Why similar: Creature Collector 35%, Management 20.9%, Economy 13.8%, Simulation 10.9%, Sandbox 6.9%

  38. #38 FISHERY
    76% matchVery Positive84% of 394 reviews2019
    Dev: Lilou Studio
    Windows

    Fishery is a stylized aquarium simulation game. Harness your creativity to build and maintain beautiful aquatic habitats. Then relax and watch your beautiful fish enjoy their home.

    Why similar: Underwater 27.2%, Creature Collector 17.8%, Building 11%, Resource Management 10.8%, Sandbox 10.1%

  39. #39 Machorium -Muscle Aquarium Simulator-
    73% matchVery Positive92% of 71 reviews2024
    Dev: NEOLAVIPub: indiegamesjapan
    Windows

    Machorium - Muscle Aquarium Simulator - is a relaxing idle and sandbox game where you can unwind and have fun. Use points generated by cute little decorative muscle men to unlock various items and create your ideal muscle aquarium, Machorium.

    Why similar: Underwater 33.6%, Creature Collector 19.1%, Sandbox 16.6%, Simulation 8.5%, Relaxing 5.9%

  40. #40 Mango's Fisharium
    72% matchVery Positive86% of 264 reviews2025
    Dev: Evrac Studio
    Windows · Mac

    Mango’s Fisharium is a short incremental game about catching unique fishes and displaying them in the Fish Aquarium. Designed to be completed in around 4 hours.

    Why similar: Creature Collector 24.8%, Fishing 20.7%, Management 16.4%, Economy 10%, Simulation 8.9%

  41. #41 Cozy Island Idle
    74% matchMixed69% of 52 reviews2024
    Dev: Overaction Game Studio
    Windows · Mac · Linux

    Cozy Island Idle is a chill fishing idle game where you catch all sort of fantasy fishes to showcase them in an Aquarium to sell them to turn a profit and customize your aquarium and island.

    Why similar: Underwater 31.2%, Creature Collector 20.9%, Fishing 15.8%, Resource Management 6.5%, Cute 5.3%

  42. #42 Aquarist - My First Job
    75% matchMixed64% of 118 reviews2021
    Dev: FreeMind S.A.Pub: PlayWay S.A.
    Windows

    Get your first job in the Aquarist! Learn how to set up aquarium, decorate it and take care of your fish!

    Why similar: Underwater 24.1%, Fishing 13.9%, Building 11.2%, Management 11.1%, Sandbox 10.8%

  43. #43 Captain Whiskers: Incremental Seas
    69% matchVery Positive88% of 740 reviews2026
    Dev: Happy Universe Studios
    Windows · Mac
    Median: 3.9 hrsMean: 3.8 hrs≥1hr: 87%

    5 minutes to get started, play anytime! This is a relaxing fishing-themed incremental game. You will join the Cat Captains to explore global fishing grounds, catch fish, and collect resources. Every rewarding voyage will have you shouting, "One more round!"

    Why similar: Underwater 21%, Fishing 13.9%, Resource Management 12.3%, Management 11.6%, Relaxing 8.4%

  44. #44 Capybara Spa
    71% matchOverwhelmingly Positive95% of 1,658 reviews2022
    Dev: Cozy Bee Games
    Windows
    Median: 2.6 hrsMean: 6.4 hrs≥1hr: 68%

    Build your own capybara spa in this relaxing point and click simulation game! Grow fruits, craft soaps and clean towels to pamper the capybaras during their visit. Furnish the mountain with gardens, baths and decorations to design the best capybara spa!

    Why similar: Sandbox 22.9%, Management 17.7%, Building 16.3%, Simulation 12.9%, Cute 9.9%

  45. #45 Learning Factory
    70% matchVery Positive86% of 511 reviews2025
    Dev: Luden.io
    Windows · Mac · Linux
    Median: 2.8 hrsMean: 9.5 hrs≥1hr: 78%

    Build intricate supply chains to meet your feline customers' needs. Discover underground and air transport layers, a vast research tree, procedural worlds, machine learning, and endless automation in this relaxing, enemyless game.

    Why similar: Building 16%, Management 13.6%, Fishing 13.5%, Sandbox 12.9%, Economy 9.9%

  46. #46 Park Beyond
    71% matchMixed62% of 1,304 reviews2023
    Dev: Limbic EntertainmentPub: Bandai Namco Europe S.A.S.
    Windows
    Median: 3.6 hrsMean: 6.9 hrs≥1hr: 86%

    Park Beyond is a theme park simulation game that gives you the freedom to create and manage the Parks of your Dreams! Whether you love to manage finances and visitor experience, or just create fun and cozy parks, the game has something in store just for you!

    Why similar: Building 21.7%, Management 20.1%, Sandbox 18.2%, Resource Management 13.7%, Simulation 10.8%

  47. #47 Cornerpond
    67% matchOverwhelmingly Positive97% of 2,566 reviews2025
    Dev: foolsroom
    Windows
    Median: 74.6 hrsMean: 124.7 hrs≥1hr: 94%

    A chill idle-fishing desktop toy in the corner of your screen. Buy upgrades, catch rare fish, and customize your avatar at your own pace!

    Why similar: Creature Collector 25.8%, Fishing 21.7%, Management 10.4%, Simulation 8.7%, Relaxing 7.7%

  48. #48 Wildlife Park 2
    73% matchMostly Positive72% of 559 reviews2014
    Dev: b-alive gmbh
    Windows
    Median: 3.7 hrsMean: 5.4 hrs≥1hr: 84%

    Now’s the chance to build the Zoo of your dreams! Just like in a real Zoo, your animals must receive complete care. Feed them, train them, cure them and even relocate them. Observe their realistic interactions with one another, the landscape, the play equipment and even Zoo visitors.

    Why similar: Management 17.6%, Building 16.4%, Sandbox 16.3%, Economy 12.5%, Simulation 9.6%

  49. #49 SimCasino
    71% matchMostly Positive74% of 751 reviews2021
    Dev: LVGameDev LLC
    Windows
    Median: 2.9 hrsMean: 10.5 hrs≥1hr: 86%

    Modern Casino Tycoon Simulation in full 3D glory. Build the casino. Set the odds. Expand into a luxury hotel/casino or go cheap & extract max profits. Keep the vault secure at all times, and beware of criminals & cheaters!!

    Why similar: Building 16.2%, Sandbox 14.9%, Management 13.5%, Moddable 11.4%, Economy 10.1%

  50. #50 Aquatic Store Simulator
    69% matchMostly Positive72% of 187 reviews2024
    Dev: FreeMind S.A.
    Windows

    Dive into the vibrant world of aquatic retail with Aquatic Store Simulator! Take on the challenge of managing your underwater-themed supermarket, blending business management with the beauty of marine life. Stock shelves with exotic fish, decorations, set prices, take payments and maintain aquariums

    Why similar: Management 19.6%, Sandbox 16.5%, Economy 15.1%, Building 12.8%, Simulation 9.8%

  51. #51 Feed and Grow: Fish
    70% matchMostly Positive78% of 20,772 reviews2016
    Dev: Old B1oodPub: Greens s.r.o.
    Windows
    Median: 5.2 hrsMean: 15.2 hrs≥1hr: 81%

    Hunt and eat other fish - simply, grow into larger beasts!

    Why similar: Underwater 63.3%, Simulation 13.6%, Fishing 7.6%, Sandbox 7.1%, Moddable 3.7%

  52. #52 Lofi aquarium
    68% matchMostly Positive79% of 138 reviews2025
    Dev: LitheGame
    Windows

    "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. 

    Why similar: Underwater 32.3%, Creature Collector 29.5%, Economy 11.6%, Relaxing 6.5%, Cute 5.9%

  53. #53 Pool Slide Story
    69% matchVery Positive90% of 189 reviews2022
    Dev: Kairosoft Co.,Ltd
    Windows
    Median: 1.9 hrsMean: 6.6 hrs≥1hr: 59%

    Make a fantastic, dazzling water park!

    Why similar: Underwater 32.7%, Building 17.4%, Management 14.2%, Simulation 13.9%, Cute 8.1%

  54. #54 ZooKeeper
    70% matchMixed69% of 58 reviews2022
    Dev: ▲ Pyramid GamesPub: Gaming Factory
    Windows

    Become a Zoo Keeper, manage and build the zoo of your childhood dreams! Take care of the animals and create ideal conditions for them. Grow your zoo, add extraordinary species and prepare amazing attractions for visitors.

    Why similar: Building 18.2%, Management 16.4%, Sandbox 15.5%, Economy 10.6%, Resource Management 8.8%

  55. #55 Behind Glass: Aquarium Simulator
    66% matchVery Positive95% of 396 reviews2025
    Dev: BitBros Inc
    Windows · Mac

    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!

    Why similar: Underwater 55.6%, Building 17.6%, Relaxing 9.6%, Simulation 6.4%, Family Friendly 5%

  56. #56 Fantasy Aquarium
    67% matchVery Positive81% of 768 reviews2024
    Dev: MOON SCAPEPub: Gamersky Games
    Windows
    Median: 7.5 hrsMean: 38.3 hrs≥1hr: 80%

    Fantasy Aquarium offers an effortless way to enhance your gaming experience. You can nurture a diverse range of small fish with unique characteristics and construct a vibrant fantasy world from scratch, transforming mundane fish-keeping into an engaging pursuit.

    Why similar: Creature Collector 34.2%, Underwater 28.6%, Relaxing 10.7%, Cute 10.4%, Simulation 10%

  57. #57 Cat Cafe Manager
    67% matchVery Positive88% of 3,103 reviews2022
    Dev: Roost GamesPub: indie.io
    Windows
    Median: 5.0 hrsMean: 16.7 hrs≥1hr: 76%

    Travel to the sleepy village of Caterwaul Way and rebuild your grandmother's cat cafe. Renovate your restaurant, befriend the local cats and townsfolk, forge lasting friendships, unravel catty mysteries, and build a home for dozens of unique felines!

    Why similar: Management 28.5%, Building 28.4%, Simulation 13.8%, Relaxing 11.3%, Cute 10.9%

  58. #58 Ant Keeping Simulator
    67% matchVery Positive89% of 112 reviews2024
    Dev: Kunstaat
    Windows

    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.

    Why similar: Management 17.9%, Sandbox 17.3%, Creature Collector 16%, Building 15.9%, Simulation 15.3%

  59. #59 Zen Aquarium
    65% matchVery Positive96% of 279 reviews2025
    Dev: Astro Cat
    Windows · Mac

    Immerse yourself in the ultimate relaxing aquarium experience. Watch fish glide gracefully through a serene, ever-changing tank—no setup, no stress, just pure tranquility. Enjoy soothing visuals and ambient ASMR sounds as your aquarium comes to life effortlessly. Your peaceful escape awaits!

    Why similar: Underwater 41.7%, Creature Collector 19.9%, Fishing 12.4%, Simulation 8.8%, Relaxing 7.3%

  60. #60 DAVE THE DIVER
    64% matchOverwhelmingly Positive97% of 147,999 reviews2023
    Dev: MINTROCKET
    Windows · Mac
    Median: 13.4 hrsMean: 26.2 hrs≥1hr: 90%

    DAVE THE DIVER is a casual, singleplayer adventure RPG featuring deep-sea exploration and fishing during the day and sushi restaurant management at night. Join Dave and his quirky friends as they seek to uncover the secrets of the mysterious Blue Hole.

    Why similar: Underwater 38.7%, Fishing 20.1%, Management 19.2%, Relaxing 8.2%, Simulation 7%

Based on tag similarity + player behavior
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