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Games Like My Aquarium

60+ similar titles based on shared tags and player behavior. Themes include Idler, Relaxing, Casual, Clicker.

Similar Games

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  1. #1 Wing It
    97% match4 user reviews50% of 4 reviews2024
    Dev: Bee Wings games
    Windows

    Wing It is a relaxing simulation game where you build and manage a bird sanctuary. Discover, care for, and unlock diverse bird species, customize your haven with unique decor, and explore new locations to expand your sanctuary. Create a paradise for your feathered friends!

    Why similar: Creature Collector 22%, Idler 17.9%, Clicker 16.7%, Life Sim 15.5%, Nature 8.4%

  2. #2 Fishlets
    96% matchPositive89% of 37 reviews2024
    Dev: Pixlin
    Windows

    Decorate your own aquariums and care for a variety of fish in Fishlets, a cozy fish-collecting sim! Feed, breed, sell, and collect fish and aquatic critters in the virtual tanks mode. Drop into Adventure mode and progress through 7 unique levels, unlocking even more fish while fending off threats!

    Why similar: Creature Collector 19.9%, Idler 18.7%, Clicker 14%, Underwater 10%, Nature 8.3%

  3. #3 Fantasy Bird Woods
    95% matchNo user reviews2026
    Dev: SouthBoat Games
    Windows

    Fantasy Bird Woods is a desktop idle game. Observe and guide mystical birds on the right side of your screen. They evolve alongside your work or study without window-switching. Enjoy light interaction and a sense of companionship during breaks with these evolving digital pets.

    Why similar: Creature Collector 26.5%, Idler 25.4%, Clicker 23.7%, Nature 11.4%, Relaxing 6.2%

  4. #4 Desktop Pet
    96% matchPositive90% of 31 reviews2023
    Dev: RPGames
    Windows

    Desktop Pet is a life simulation game where you can take care of cute creatures while working or playing on your computer. Stream, write documents, play games, watch videos, all together with your little companion.

    Why similar: Creature Collector 22%, Idler 20.4%, Life Sim 19.8%, Character Customization 8.2%, Pixel Graphics 7.3%

  5. #5 Chopikoji Gardens
    94% matchNo user reviews
    Dev: Moleman Studios
    Windows · Mac · Linux

    Chopikoji Gardens is a relaxing creature collector where you can create art, enter contests, and play mini-games with your Chopikojis to earn money and level up your collection, or just sit back and let them do all the hard work for you!

    Why similar: Creature Collector 29.3%, Idler 21.5%, Clicker 19%, Nature 9.5%, Pixel Graphics 6.3%

  6. #6 Cozy Littlequarium
    94% matchPositive93% of 30 reviews2025
    Dev: Bloom Effect Studios
    Windows

    Cozy Littlequarium is a relaxing aquarium simulator that sits at the bottom of your screen! Take care, breed them, collect and decorate!

    Why similar: Creature Collector 23.5%, Idler 18.8%, Underwater 10.1%, Clicker 10%, Nature 8.9%

  7. #7 星星水族馆~Star Aquarium
    93% match3 user reviews67% of 3 reviews2025
    Dev: Moedraw
    Windows

    This is a group of cute little fish swimming leisurely at the bottom of the screen while you work. The fish swim, grow and earn stars for you. Use them to buy other cute little fish until the bottom of the screen becomes a colorful ocean world! Start a leisure desktop fish farming journey!

    Why similar: Creature Collector 23.9%, Idler 21.7%, Clicker 16.7%, Underwater 14.6%, Relaxing 4.8%

  8. #8 Shrimp Keeping Simulator
    92% matchMostly Positive77% of 48 reviews2025
    Dev: Kunstaat
    Windows

    Grow, feed and care for your shrimp pals. Watch your shrimp multiply and sell your colony when they become too numerous.

    Why similar: Nature 20.3%, Creature Collector 19%, Idler 13.5%, Building 12.2%, Life Sim 9.2%

  9. #9 Tiny Egg Clicker
    91% matchNo user reviews2026
    Dev: Luisak & RaMS
    Windows

    An idle pet-collecting clicker game that keeps you company at the bottom of your screen. Click your egg to help it hatch. Grow your collection of pets to unlock upgrades and rarer eggs. Relax to chill Lofi music while you play at your own pace. Will you hatch the shiny variant of each pet?

    Why similar: Creature Collector 22%, Idler 21.5%, Clicker 19.8%, Nature 6.2%, Cute 5.7%

  10. #10 VPetlings
    90% matchNo user reviews
    Dev: Sargantana Games
    Windows

    Raise your own virtual pet right on your desktop. Choose your favorite, take care of your companion, play together, train for battle, and help them evolve! They will always be there, keeping you company while you work, play, or browse.

    Why similar: Creature Collector 27.4%, Idler 19.7%, Clicker 13.1%, Nature 12.2%, Pixel Graphics 7.1%

  11. #11 Little Fish Swims On
    91% matchPositive100% of 17 reviews2024
    Dev: DeepSeaStudio
    Windows

    Little Fish Swims is a relaxing and enjoyable idle game with a casual simulated fish tank located at the top of the screen. There are over a thousand types of fish in the game, and you can customize your own fish tank and background skin style.

    Why similar: Creature Collector 32.6%, Idler 30.8%, Clicker 12%, Relaxing 8.1%, Simulation 6.1%

  12. #12 Koimori
    89% matchNo user reviews2026
    Dev: Aurélien Dos Santos
    Windows · Mac

    Turn your desktop into a living pond with this peaceful idle overlay. Let koi drift around while you work or relax, drop snacks to see them gather, and unlock rare koi patterns as you spend more time with your little friends.

    Why similar: Creature Collector 28.9%, Idler 22.6%, Clicker 17.6%, Nature 13.4%, Relaxing 4%

  13. #13 Isopod Keeping Simulator
    89% match5 user reviews40% of 5 reviews2025
    Dev: Kunstaat
    Windows

    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!

    Why similar: Idler 24.3%, Nature 19.2%, Creature Collector 11.6%, Building 11.1%, Clicker 9%

  14. #14 Tiny Slime Farm
    88% matchNo user reviews
    Dev: Chocolate Soft
    Windows

    A cozy desktop idle game where cute slimes bounce around your tiny farm while you work or study.

    Why similar: Creature Collector 25.2%, Idler 23.2%, Clicker 16.8%, Nature 8.4%, Pixel Graphics 7.6%

  15. #15 Critter Caboodle
    86% matchNo user reviews
    Dev: Mike Mend
    Windows

    Watch and play with quirky critters as they generate loads of money for you in a unique idler/creature collector hybrid.

    Why similar: Creature Collector 25.6%, Idler 21.7%, Nature 14.6%, Clicker 12.5%, Physics 7.8%

  16. #16 Mothiary
    86% matchNo user reviews
    Dev: Denver
    Windows · Mac · Linux

    An idle game about collecting moths.

    Why similar: Creature Collector 32.7%, Idler 26.5%, Clicker 11.3%, Nature 8.8%, Relaxing 7.6%

  17. #17 Forest Fellers
    87% match9 user reviews78% of 9 reviews2024
    Dev: TheBigBard
    Windows

    Forest Fellers! A game about Gnomes, Trees, and chopping them. Generate wood as you hire your very own Forest Fellers (Gnomes) to fell forests YOU make. Your Gnomes will grow and level up the more they chop allowing you to get more and more efficient trees for them to take down.

    Why similar: Idler 30.6%, Clicker 29.2%, Nature 11.7%, Relaxing 7.4%, Cute 6.6%

  18. #18 FlowerBots
    85% matchNo user reviews
    Dev: Soup with Friends
    Windows

    Flowerbots is a chill and bouncy incremental game with synergies, strategic optimizations and a whole playground for your physical experiments!

    Why similar: Idler 23.4%, Clicker 20%, Nature 15.5%, Building 12.8%, Physics 9.4%

  19. #19 Tiny Pasture
    84% matchVery Positive93% of 8,163 reviews2025
    Dev: CaveLiquidPub: Gamersky Games
    Windows · Mac
    Median: 26.5 hrsMean: 60.1 hrs≥1hr: 87%

    Meet your new little desk buddies! They’ll snooze, scratch, and scamper around while you work or study (don’t worry, they’ve been trained not to invade your workspace). If you’re good at animal management, they will occupy the bottom of your screen with different kinds and colors!

    Why similar: Idler 20.1%, Creature Collector 19.8%, Clicker 15.4%, Nature 11.8%, Building 9.2%

  20. #20 Fishing Tales: Neko's Journey
    84% matchNo user reviews
    Dev: AaronPub: TeamMingo
    Windows · Mac

    A relaxing idle fishing game focused on companionship, featuring 26 fishing spots and over 200 fish species. Easy to enjoy without much effort. You can place the game anywhere on your screen while studying or working, without it intruding on your tasks.

    Why similar: Creature Collector 29.4%, Idler 27.6%, Life Sim 10.3%, Pixel Graphics 7.4%, Building 6.4%

  21. #21 Cockroach!
    83% matchVery Positive100% of 67 reviews2025
    Dev: ColaCatGames
    Windows

    A cockroach crawling around on your computer desktop — and it even bursts with goo when clicked!

    Why similar: Idler 31.6%, Creature Collector 30.4%, Clicker 24.1%, Casual 4.9%, Cute 4.5%

  22. #22 Isles of Isvenness
    82% match1 user reviews0% of 1 reviews2025
    Dev: Kazumi Games Inc.
    Windows

    A cozy creature-collecting idle game featuring vibrantly handcrafted islands that are freely movable on your screen. Harness elemental aether, grow your creature collection, complete missions, and achieve progression milestones at your own pace for a relaxing and rewarding gameplay experience.

    Why similar: Creature Collector 37.3%, Idler 28.7%, Relaxing 8.3%, Pixel Graphics 8.3%, Character Customization 6.3%

  23. #23 Desktop Dog Park
    81% matchNo user reviews2026
    Dev: Tom McDonald Games
    Windows

    A chill desktop idle game where you build and decorate a dog park at the bottom of your screen. Collect coins, unlock new dog breeds, feed and play with them, hire an attendant, and watch your park grow while you work on other things.

    Why similar: Creature Collector 23.8%, Idler 20.1%, Clicker 19.5%, Nature 12.6%, Life Sim 7.7%

  24. #24 Bloomies
    81% matchNo user reviews2026
    Dev: Silvanuz
    Windows · Linux

    Hatch eggs to breed the cutest and strongest Bloomies your taskbar has ever seen! Decorate their world to make them feel at home. But beware, dark shadow Bloomies are waiting to take over your taskbar.

    Why similar: Creature Collector 23.2%, Idler 21.6%, Clicker 18.9%, Nature 12.2%, Relaxing 6%

  25. #25 Cozy Dive
    80% matchNo user reviews
    Dev: Cuddle Code
    Windows

    Watch a tiny diver explore the ocean in the corner of your screen. Collect sea creatures, upgrade equipment, and unlock new diving spots.

    Why similar: Creature Collector 22%, Idler 18.5%, Clicker 17.7%, Underwater 12.5%, Nature 9.2%

  26. #26 WinMon
    79% matchNo user reviews
    Dev: IndieLab
    Windows

    Feed your cute little monsters right on your desktop! And once full, it's time to work! From sowing seeds, watering plants, providing light to mining ores and chopping trees. Resources don't come on their own and food isn't bought with air. Everyone will need to work.

    Why similar: Creature Collector 24.4%, Idler 20.5%, Clicker 12.9%, Nature 10%, Building 9.2%

  27. #27 Wildlife Planet: The Incremental
    82% matchMixed66% of 35 reviews2022
    Dev: CapPlay Interactive Inc.Pub: CapPlay Interactive Inc.
    Windows · Mac

    Wildlife Planet is a Simulation & Idle game with the theme of wildlife and nature. You will unlock more and more species as you level up and learn the species knowledge. This is a game with refreshing scenes, immersive background music, and different kinds of wild animals and plants.

    Why similar: Creature Collector 26.1%, Idler 22.1%, Nature 16.4%, Clicker 15.3%, Relaxing 5.2%

  28. #28 Fantasy Aquarium
    79% 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: Idler 20.4%, Creature Collector 19.8%, Clicker 16.1%, Life Sim 11.1%, Underwater 7.5%

  29. #29 Desktop Friend
    78% match9 user reviews100% of 9 reviews2025
    Dev: Chilly Kitty
    Windows · Mac · Linux

    A cozy desktop pet that lives on your monitor. Care for it, play with it, and watch it grow over time. Inspired by the virtual pets of the '90s (e.g., Tamagotchi*), now designed for your everyday PC life.

    Why similar: Creature Collector 26%, Clicker 20.4%, Life Sim 19.7%, Simulation 7.6%, Pixel Graphics 5.6%

  30. #30 卡皮巴拉的幸福时光 Capybara's Happytime
    77% matchNo user reviews
    Dev: dragon ranger studio
    Windows

    Build Your Dream Resort with Furry Friends! Team up with adorable animal buddies to create a one-of-a-kind vacation paradise! Attract all kinds of capybaras to chill, expand your resort, and grow it into a thriving empire.

    Why similar: Creature Collector 24.1%, Idler 23.8%, Life Sim 18.4%, Building 6.3%, Pixel Graphics 6.3%

  31. #31 ball
    78% matchMixed67% of 130 reviews2024
    Dev: ball
    Windows

    Earn a crate from a unique collection every 3 hours. When you open a crate, you'll receive one random ball out of 15 possible options. The balls are divided into 5 different rarity levels. Do you have what it takes to collect them all?

    Why similar: Idler 24.5%, Creature Collector 21.7%, Clicker 21.5%, Character Customization 7.8%, Pixel Graphics 6.8%

  32. #32 Mini Pond Farm: Frogs & Lilypads
    77% matchNo user reviews
    Dev: SIA Igor Arterchuk
    Windows · Mac

    Collect all the cute frogs! Shape your pond paradise, fill it with colorful hoppers, make them happy with reeds and lilies, and enjoy pure cozy serenity.

    Why similar: Creature Collector 29.4%, Idler 24.5%, Nature 16.3%, Character Customization 9.8%, Relaxing 7.4%

  33. #33 Birdwatching Notebook
    76% matchNo user reviews2026
    Dev: Biekka Games
    Windows · Mac

    Turn your balcony into your very own birdwatching spot, and await the arrival of new avian friends! Enjoy a cozy idle game — place a tiny postcard on the corner of your screen, keeping you company with pleasant scenes and visiting birds. Oh, and don't forget your camera!

    Why similar: Creature Collector 18.8%, Idler 16.7%, Clicker 13%, Nature 11.9%, Building 8.9%

  34. #34 DesktopPets
    76% matchNo user reviews
    Dev: floofnoodles
    Windows

    A chill, tamagotchi-like idle creature game in the corner of your screen. Raise creatures, unlock 100+ evolutions, and freely customize your room at your own pace!

    Why similar: Idler 29.9%, Creature Collector 26.4%, Clicker 15%, Pixel Graphics 8.3%, Simulation 7.1%

  35. #35 Idle Swimmers
    75% matchNo user reviews
    Dev: Rick Coenraad de GraafPub: Whuro
    Windows

    A relaxing idle swimming game where you catch fish, unlock new locations and characters, customize your swimmer, and enhance your abilities with helpful pets and power-ups.

    Why similar: Idler 26.9%, Clicker 17.6%, Character Customization 9.8%, Relaxing 7.9%, Nature 7%

  36. #36 Aquanore
    75% matchNo user reviews
    Dev: Elerium Studios
    Windows

    A cozy idle aquarium game: collect, breed, and sell fish, shape your tank with decorations, grow your economy, and relax while your fish earn for you.

    Why similar: Creature Collector 29.1%, Idler 23.8%, Nature 10.1%, Simulation 8%, Underwater 7%

  37. #37 Tiny Paws
    73% matchPositive94% of 18 reviews2026
    Dev: UPI Games
    Windows

    Paw by paw, pixel by pixel grow alongside your hand-drawn desktop companions. Play at your own pace, free from timer stress, and make a real-world impact with every step you take.

    Why similar: Creature Collector 22%, Idler 19.9%, Clicker 17.3%, Life Sim 12.8%, Character Customization 8.9%

  38. #38 Post Apocalypse Microbe Lab
    74% matchNo user reviews
    Dev: SKIPMOREPub: Flyhigh Works
    Windows · Mac

    This is an idle game you can leave in the corner of your desktop. Watch at your leisure as an android girl researches microbes in a post-apocalyptic world.

    Why similar: Idler 21.7%, Creature Collector 19.2%, Clicker 15.7%, Life Sim 13.2%, Underwater 9.9%

  39. #39 Loafing Town
    71% matchVery Positive86% of 505 reviews2025
    Dev: GoblinZzPub: IndieArk
    Windows
    Median: 43.0 hrsMean: 87.0 hrs≥1hr: 93%

    A relaxing and humorous idle god simulator that stays at the bottom of your screen or on a second monitor while you do other things. With physics-based dragging interactions, it feels just like playing with desk toys.

    Why similar: Idler 21.2%, Creature Collector 20.8%, Clicker 15.8%, Life Sim 10.5%, Pixel Graphics 6.9%

  40. #40 Mermeows: Chill Cat Mermaids
    73% matchNo user reviews
    Dev: Gemcraft Games
    Windows

    Welcome to Mermeows: Chill Cat Mermaids – where every splash brings a smile! In this enchanting idle clicker creature collection game, traverse hand-drawn lakes, hatch unique Mermeows, and upgrade serene habitats. Collect pearls and let magical currents carry you into a world of calm strategy.

    Why similar: Creature Collector 32.5%, Idler 22.5%, Clicker 14.5%, Underwater 12%, Relaxing 6.2%

  41. #41 Working Class Monsters
    73% matchNo user reviews
    Dev: HaggisBytes
    Windows

    Do you HATE YOUR JOB? Well, these monsters don't have to. Place workers, open packs, make gold pile up. Ultra-casual incremental strategy where failure doesn't exist.

    Why similar: Creature Collector 23.4%, Idler 23.3%, Clicker 20.4%, Building 10.6%, Relaxing 6.7%

  42. #42 Meowmewbug
    74% matchPositive95% of 19 reviews2024
    Dev: BitBit Official
    Windows

    " Meowmewbug" is a relaxing and stress-relieving idle game. Tap on the magic circle to summon unique meowmewbugs, collect the paw balls they drop, unlock more styles of scenes, fun features, classic mini-games, and summon even more meowmewbugs. Come and spend the best day with the meowmewbugs!

    Why similar: Idler 31.3%, Creature Collector 31.2%, Clicker 21.1%, Relaxing 5.2%, Cute 4.6%

  43. #43 Tame-a-goat-chi
    72% matchNo user reviews
    Dev: Rio Master
    Windows

    Run your own adorable goat pasture in this half-screen idle game! Tame, feed and care for quirky goats while growing your farm – all while you work or browse the web!

    Why similar: Idler 27.8%, Clicker 18.1%, Creature Collector 16.4%, Nature 9.7%, Building 7%

  44. #44 天国钓鱼 Pond for Theoi
    72% matchNo user reviews
    Dev: OnTide Studio
    Windows

    As Prometheus, sail the Argo to salvage hero souls and execute the "Second Theft of Fire" to revive human civilization. Deconstruct divine powers, manage sacred ponds, and covertly reshape the Golden Age through this relaxing yet rebellious idle fishing expedition.

    Why similar: Idler 28.6%, Clicker 21%, Creature Collector 16.9%, Life Sim 11.9%, Pixel Graphics 7.4%

  45. #45 Pet Streamer 12dora
    71% matchNo user reviews
    Dev: SxxGames
    Windows

    This is a virtual 12dora. You can feed and bathe him to keep him healthy and in a good mood. What should you do when you're short of money? Try starting a live stream and attract viewers by showing various in-game activities. Gain more fans (and more money)!

    Why similar: Idler 33%, Clicker 24.1%, Character Customization 14.2%, Relaxing 6.1%, Cute 6%

  46. #46 Idlequarium
    70% 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: Creature Collector 21.8%, Idler 20.2%, Underwater 14%, Clicker 11.1%, Nature 11.1%

  47. #47 Shanhai Ranch
    71% matchNo user reviews
    Dev: Banana Peel Studio
    Windows

    Shanhai Ranch is a desktop idle management game. Collect mythical beasts, assign the five elements, and let them dig treasure, produce resources, and build your ranch on your desktop. Expand storage, upgrade buildings, and grow your own automated beast-running loop.

    Why similar: Creature Collector 30.8%, Idler 29.9%, Character Customization 7.8%, Cute 6.5%, Simulation 6.1%

  48. #48 Lunar Farer: Little Flickers
    70% matchNo user reviews
    Dev: StarvdevGames
    Windows

    A collection of idle games that sit at the bottom of your screen, different adventures and companions await in the universe of Lunar Farer, where you will see glimpses of it while while you work or relax.

    Why similar: Creature Collector 34.3%, Idler 28.1%, Clicker 21.6%, Casual 4.5%, 2D 3.9%

  49. #49 Cornerpond
    68% 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: Idler 23.6%, Creature Collector 21.9%, Clicker 15.4%, Nature 12.1%, Pixel Graphics 7.2%

  50. #50 The Duck Pond
    70% matchVery Positive96% of 78 reviews2024
    Dev: Quack People
    Windows · Mac · Linux

    The Duck Pond is a condensed and relaxing idle game, focused on creating a short handcrafted experience with an ending. Throw food to attract different types of duck, read about them in the duckopedia, and maybe you'll discover the epic giga duck!

    Why similar: Idler 35.9%, Clicker 25.6%, Nature 13%, Relaxing 6.3%, Cute 5.3%

  51. #51 Tiny Biomes: Cozy Idle
    66% matchVery Positive87% of 228 reviews2026
    Dev: Orca Point Studio
    Windows

    Tiny Biomes is a relaxing idle game where animals peacefully produce resources and you gather wood in a calm harvesting zone. Build small biomes, earn gold, and enjoy steady progression without pressure, timers, or stress. Play at your own pace and unwind.

    Why similar: Idler 29.5%, Clicker 21.9%, Nature 11%, Relaxing 8.1%, Pixel Graphics 7.7%

  52. #52 Skytopia
    68% matchNo user reviews
    Dev: Mystrigger
    Windows

    "Skytopia" is a charming pixel-style fishing simulation idle game. Decorate a beautiful sky island at the base of your desktop, immerse yourself in a relaxing fishing lifestyle, and hatch and nurture a variety of adorable animals on the island.

    Why similar: Creature Collector 24.7%, Idler 22.5%, Clicker 19.9%, Life Sim 12.8%, Relaxing 4.7%

  53. #53 Idle Tree Keeper
    68% matchNo user reviews
    Dev: Torbellino Games
    Windows · Mac

    Idle Tree Keeper is a relaxing idle/incremental game where you care for a mystical tree. Generate resources, unlock upgrades, evolve, and progress even while offline. Free to play with optional in-game purchases.

    Why similar: Idler 36.9%, Nature 16.8%, Clicker 14.5%, Cute 7.3%, Relaxing 6.6%

  54. #54 Croakoloco
    69% matchVery Positive91% of 503 reviews2024
    Dev: Ryan Forrester
    Windows
    Median: 4.1 hrsMean: 29.9 hrs≥1hr: 75%

    Croakoloco is a relaxing frog collecting idle game. Watch them jump, croak, and eat delicious flies. Grow frogs, feed frogs, or take control of one in “Froggy Mode” for a more active play style!

    Why similar: Creature Collector 29.3%, Idler 23.2%, Clicker 19.2%, Nature 9.7%, Cute 4.2%

  55. #55 Machorium -Muscle Aquarium Simulator-
    69% 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: Idler 24.1%, Clicker 19.4%, Creature Collector 18%, Underwater 14.3%, Nature 7.8%

  56. #56 Tranquil Koi 鯉の池
    67% match6 user reviews83% of 6 reviews2025
    Dev: FroggySoggy
    Windows

    Tranquil Koi is a relaxing idle game. Start with a humble pond and transform it into a breathtaking koi paradise! Buy and unlock over 100 vibrant breeds, raise them and sell them to grow your aquatic haven. Unlock decorations to design an aquarium that reflects your vision of tranquility.

    Why similar: Creature Collector 26.5%, Idler 22.5%, Clicker 20.6%, Nature 15.8%, Relaxing 5.5%

  57. #57 Eggo
    65% matchVery Positive87% of 203 reviews2026
    Dev: 天赋一饼 Meme Crepe
    Windows

    Raise your baby, get married, and hatch eggs with friends right on your desktop! Start with a single egg and nurture Eggo into your special companion. Let it search for treasures from different planets on your desktop and keep you company. Dress your Eggo and even date your friends'. Play with Eggo!

    Why similar: Creature Collector 25%, Idler 21.3%, Life Sim 16.6%, Nature 10.5%, Character Customization 7.1%

  58. #58 Casual Fishing
    67% match5 user reviews40% of 5 reviews2025
    Dev: TUNA TUN
    Windows

    Casual Fishing is a relaxing desktop idle game combining fishing simulation, codex collection, random item drops, and gear enhancement. You can enable "Easy Mode" to shrink the game and place it in a corner of the screen—perfect for fishing while working or studying.

    Why similar: Idler 32.5%, Clicker 22.2%, Life Sim 18.5%, Relaxing 5.6%, Simulation 5%

  59. #59 Bugtopia
    65% matchVery Positive94% of 914 reviews2025
    Dev: Nocturnal GamesPub: GCORES PUBLISHING
    Windows
    Median: 9.9 hrsMean: 39.3 hrs≥1hr: 91%

    300+ lifelike bugs to collect and grow—breed them to unlock rare species! Customize your terrarium with 300+ landscaping items and 70+ backgrounds. A tiny, soothing nature escape on your screen!🦋🐌🦗🐝🐞🐛🦐

    Why similar: Creature Collector 25.3%, Idler 24.2%, Clicker 18.9%, Nature 15.7%, Relaxing 4.6%

  60. #60 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: Idler 15.9%, Underwater 15.1%, Life Sim 13.9%, Clicker 12.5%, Nature 12.4%

Based on tag similarity + player behavior
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