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

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.

Mothiary
An idle game about collecting moths.

Tiny Egg Clicker
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?
An idle game about collecting moths.
Why similar: Creature Collector 33%, Idler 23.2%, Simulation 11.9%, Economy 8.5%, Casual 5.4%
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 23.6%, Idler 20%, Simulation 11.3%, Economy 10.2%, Casual 6.4%
AquaCorner is a relaxing 3D idle simulation that brings a charming aquarium to your desktop corner! Collect cute fish, nurture them, and decorate their habitat with colorful items. Enjoy this cozy, atmospheric experience and build your dream underwater ecosystem.
Why similar: Creature Collector 24.5%, Idler 18.1%, Economy 12%, Underwater 10.7% ★, Nature 8%
BirdBalcony is a cozy desktop companion where you feed birds, decorate your balcony, and collect letter fragments to uncover hidden stories. With changing time and weather, each visit feels alive—you never know who will come next.
Why similar: Idler 32.3%, Creature Collector 27.6%, Simulation 21.6%, Casual 10.2%, Cute 7.8%
Flutterfield is a cozy and relaxing idle game. Buy butterflies and raise them in real time, or catch fully grown ones yourself. Unlock, upgrade, and customize habitats while filling your collection with real-life butterfly species!
Why similar: Creature Collector 31.8%, Idler 22.8%, Economy 13.5%, Simulation 11.5%, Casual 4.8%
Rat Overflow is an adorable rat breeding simulator about genetics, glory, and having way too many rats. Develop your show winner bloodlines and breed thousands of unique rat coats!
Why similar: Creature Collector 34%, Simulation 16.4%, Idler 11.2%, Economy 7%, Casual 6.5%
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 35.9%, Idler 29.5%, Simulation 16.6%, Casual 9%, Relaxing 5.5%
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 24.7%, Idler 20.1%, Underwater 9.8% ★, Economy 8.9%, Simulation 8.2%
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 28.5%, Idler 19.7%, Simulation 11.9%, Underwater 9.6% ★, Nature 6.2%
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 34.3%, Idler 20.5%, Underwater 10% ★, Economy 8%, Casual 6.4%
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 33.4%, Idler 22.6%, Simulation 10.4%, Nature 8.9%, Management 8.7%
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: Creature Collector 28.7%, Idler 28.3%, Simulation 19.1%, Pixel Graphics 6.2%, Retro 4.6%
Personally manage miniature aquariums in this tranquil idle sim. Unlock themed tanks and breed unique fish to witness their growth from fry to magnificent adults. Use strategic combinations to trigger powerful synergies. Build your own shimmering underwater oasis today.
Why similar: Idler 28.4%, Simulation 16.2%, Casual 12.7%, Creature Collector 11.3%, Underwater 9.5% ★
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 29.9%, Idler 21.9%, Nature 9.8%, Economy 9.4%, Simulation 8.4%
Animal Onsen is a cozy and relaxing companion game. It lives at the bottom of your screen while you work, study, or unwind. Decorate your onsen, upgrade amenities, and collect adorable animal visitors as you build the perfect retreat, one peaceful moment at a time.
Why similar: Creature Collector 28%, Idler 20.1%, Simulation 10.4%, Economy 9.6%, Nature 6.6%
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 32.7%, Idler 20.5%, Nature 8.4%, Cute 7.9%, Management 6.8%
Adopt a cute pet spider that lives anywhere on your desktop! Team up to discover unique bugs, decorate their web, and unlock adorable spider hats as you work or relax.
Why similar: Creature Collector 31.9%, Idler 23.4%, Simulation 12.5%, Nature 8.1%, Casual 6.6%
『Kemono Mix Re』is a exploration, monster-raising simulation game where you nurture local lifeform called 'Kemonos' on a mysterious alien planet. Discover over 60+ Kemono species. Mixing Kemonos together, make your very own Kemono!
Why similar: Creature Collector 51.1%, Simulation 19%, Cute 9.5%, Casual 8.6%, Nature 6.8%
TINY DINO is an idle nurturing game where little dinosaurs accompany you at the bottom of your screen while you work or study. They produce gems for you to earn profits, and you can plant trees and build structures to create a free and lively world for them, growing together with you.
Why similar: Creature Collector 45.7%, Idler 30.8%, Casual 8.6%, Cute 8.2%, Relaxing 6%
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 29.2%, Idler 20.7%, Simulation 14.9%, Casual 7.7%, Nature 6.4%
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 25.5%, Idler 18.8%, Economy 10.5%, Simulation 9.4%, Underwater 8.9% ★
Create a farm at the bottom of the screen and enjoy planting and harvesting with your monster companions! They handle all the work—just plan the layout, decorate, and wait for fun crop mutations. Take a break from busy life and enjoy the calm joy of farming.
Why similar: Creature Collector 23.5%, Idler 22.4%, Simulation 18.3%, Casual 10.2%, Economy 7.4%
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 27.8%, Idler 23%, Economy 12.3%, Nature 9.9%, Management 8.4%
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 42.2%, Idler 28.2%, Casual 9.4%, Pixel Graphics 6.5%, Relaxing 5.8%
A chill clicker-idle stars hunting and constellations creation game that sits in the corner of your screen. Feel free to daydream while you are working or doing something else.
Why similar: Idler 25.7%, Creature Collector 21.4%, Simulation 12.9%, Casual 10.1%, Economy 7%
An idle creature collector game. From common garden-dwellers to elusive, legendary spirits, every Goober is unique. Can you find them all?
Why similar: Creature Collector 37%, Idler 28.2%, Casual 14.3%, Cute 7.9%, Retro 6.4%
Radio Buddy is a relaxing 2D pixel‑art idle simulation. Tune in, unwind, and enjoy a cozy, family‑friendly retro vibe at your own pace.
Why similar: Idler 32.9%, Simulation 28.8%, Casual 15.9%, Pixel Graphics 7.3%, Family Friendly 5.7%
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 24.7%, Idler 23%, Simulation 12%, Nature 7.8%, Management 5.7%
Let Growmon Island live on your desktop while you work: hatch eggs, raise Growmons through growth stages, evolve them, then sell for coins or keep for passive boosts. Build and decorate your island at your own pace.
Why similar: Creature Collector 37.6%, Idler 23.9%, Simulation 9.9%, Casual 7.5%, Management 6.3%
Collect over 100 stylish little pets on your desktop! They can freely move along the bottom of your screen, or live in the little houses you've carefully decorated for them. Hmm... or perhaps send them on adventures to earn treats?
Why similar: Creature Collector 32.4%, Idler 25.5%, Simulation 10%, Casual 6.9%, Cute 6.8%
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 24.9%, Idler 20%, Underwater 12.6% ★, Economy 11.5%, Management 7.8%
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: Idler 24.9%, Creature Collector 23.2%, Simulation 12%, Economy 10.5%, Management 8.8%
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 37.9%, Idler 24.1%, Nature 7.1%, Casual 6.4%, Pixel Graphics 5.6%
Upgrade your minions as you journey deeper into the mines. Explore different areas. Witness tens of miners at once.
Why similar: Idler 31%, Simulation 27.3%, Economy 18.2%, Casual 10.5%, Management 8.8%
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 34.8%, Simulation 15.6%, Economy 15.3%, Management 11.9%, Nature 9.1%
Discover and collect cute Dino Girls, organize their activities, and expand your resort while going about your daily stuff.
Why similar: Creature Collector 24.2%, Idler 22.4%, Simulation 12.3%, Management 8.4%, Economy 7.9%
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: Creature Collector 23.7%, Idler 17.9%, Economy 11.1%, Underwater 9% ★, Nature 7.3%
Kinguin is a relaxing idle simulator about a penguin streamer. Leave the game in the corner of your screen while you work, upgrade your setup to turn views into valuable followers and subs, and climb the Global Rank. Dominate the algorithm and become the internet's greatest polar legend!
Why similar: Idler 31.6%, Economy 18.9%, Simulation 13.9%, Management 11.4%, Casual 7.3%
Ribbit Ranch is a cozy idle simulation game for casual play. Collect over 200 million types of frogs, raise them in real time, and sell them for profit. Customize habitats with decorations, rare species, and ultra-rare special frogs.
Why similar: Idler 22.9%, Creature Collector 15.8%, Simulation 11%, Economy 9.8%, Management 8.7%
Clean, mine and refine pollution in this active incremental game. Cruise through the countryside earning cash and resources, build a refinery, process materials, upgrade equipment, unlock new areas and complete quests.
Why similar: Idler 23%, Simulation 21.9%, Casual 11.9%, Economy 11.4%, Nature 8.7%
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.
Why similar: Creature Collector 25.4%, Idler 18.5%, Underwater 10.8% ★, Simulation 7.4%, Nature 7%
Dive into Slime Farm Simulator, where you'll play with, and care for the Cutest magical slimes ever seen! Watch as they Evolve in whimsical ways, strategically manage their Elements and moods, and expand your enchantingly cute slime farm.
Why similar: Creature Collector 27.6%, Idler 20.6%, Nature 9.6%, Simulation 9.5%, Management 8.9%
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 30.9%, Idler 24.2%, Underwater 14.9% ★, Simulation 8.1%, Cute 5.3%
AquaFantasia is an engaging and soothing idle game. Begin your aquatic adventure by purchasing a variety of small fry, raise and sell them. You can customize fantasy oceans with rare fishes to create your own aquarium.
Why similar: Creature Collector 27.5%, Idler 18.9%, Economy 12.5%, Simulation 10.6%, Underwater 10.6% ★
A cozy desktop idle game where cute slimes bounce around your tiny farm while you work or study.
Why similar: Creature Collector 27.7%, Simulation 21.3%, Idler 16.7%, Nature 7.5%, Pixel Graphics 6.5%
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 27.3%, Idler 23.6%, Economy 12.2%, Simulation 7.8%, Management 7.7%
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: Creature Collector 24.3%, Idler 18.1%, Economy 11.3%, Underwater 10.3% ★, Simulation 9.5%
My Voice Zoo is a unique idle zoo game brought to life with your own voice. Record your sounds through the microphone and turn them into animal calls, creating a one-of-a-kind zoo found nowhere else. Start building your very own zoo, complete only with your voice!
Why similar: Creature Collector 37.5%, Idler 26.3%, Simulation 17.3%, Casual 8.8%, Cute 7.1%
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 27.8%, Idler 22.4%, Simulation 12.9%, Nature 8.4%, Casual 6.6%
An unremarkable little animal desktop pet, until you read its name.
Why similar: Creature Collector 35.6%, Idler 30.7%, Simulation 15.7%, Casual 10.1%, Cute 5.9%
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 29.5%, Idler 23.7%, Simulation 14.9%, Cute 7.7%, Pixel Graphics 6.8%
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: Creature Collector 24.8%, Idler 19.7%, Underwater 9.1% ★, Simulation 8.2%, Nature 7.1%
Scratchers is an incremental game where you scratch cards to earn cash, unlock upgrades, and hire little scratchers to do the scratching for you. Discover rare cards, and optimize your earnings as you climb to scratcher supremacy!
Why similar: Idler 27.5%, Simulation 19.7%, Casual 12.2%, Management 11.8%, Economy 8.1%
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.
Why similar: Creature Collector 28.4%, Idler 22.8%, Underwater 13.5% ★, Simulation 9.4%, Nature 7.1%
A relaxing idle fishing game that waits for you at the bottom of your screen. CATCH fish, BUY upgrades, COMPLETE your collection, and DISPLAY them in your aquarium.
Why similar: Idler 25.1%, Creature Collector 17.9%, Simulation 12.4%, Nature 9.6%, Management 8.3%
Feel like your desktop is too bland? Vquarium is a relaxing idle game where you grow your own underwater world on your screen overlay with a virtual assistant. Collect rare fish, discover sparkling variants, and decorate your tank while taking care of an adorable assistant!
Why similar: Creature Collector 31%, Idler 22.1%, Nature 8.8%, Management 8.7%, Simulation 7.9%
Manage your workforce of mystical work beasts! Increase your team productivity in order to complete the most difficult jobs and earn lots of money, after all, the government won't leave you alone if you don't pay your taxes. Oh, don't forget to give your employers a coffee sometimes.
Why similar: Creature Collector 35.3%, Idler 28.2%, Management 9.2%, Casual 7.9%, Pixel Graphics 7%
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!
Why similar: Creature Collector 28.8%, Idler 20.8%, Economy 7.7%, Nature 7.6%, Simulation 7.5%
【Jellyfish blind box】 is a light-hearted placement game where you can buy jellyfish blind boxes to raise your tiny jellyfish, sell them for a profit as they grow up over time, or leave them in the tank for admission.
Why similar: Creature Collector 24.1%, Idler 24%, Simulation 22.3%, Casual 12.3%, Underwater 7.8% ★
Relax and collect over 500 unique mollusks in this cozy idle game. Watch larvae grow into stunning adults in real-time, customize vibrant aquatic habitats, and discover rare species from garden snails to deep-sea cephalopods.
Why similar: Creature Collector 26.7%, Idler 19.1%, Underwater 10.4% ★, Economy 7.5%, Simulation 7.2%