
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.

Aqua Corner
A living aquarium that sits in the corner of your screen while you work, study, or game. Feed your fish, grow your tank, find a little peace while listening to the most chill & meditative original soundtracks
An idle game about collecting moths.
Why similar: Creature Collector 33.4%, Idler 22.6%, Simulation 11.9%, Economy 8.5%, Casual 5.5%
A living aquarium that sits in the corner of your screen while you work, study, or game. Feed your fish, grow your tank, find a little peace while listening to the most chill & meditative original soundtracks
Why similar: Creature Collector 24.8%, Idler 17.6%, Economy 11.9%, Underwater 10.8% ★, Nature 8.1%
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 24.2%, Idler 19.4%, Simulation 11.3%, Economy 10.1%, Casual 6.5%
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 31.6%, Creature Collector 28%, Simulation 21.8%, Casual 10.3%, Cute 7.9%
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 32.3%, Idler 22.2%, Economy 13.4%, Simulation 11.6%, Casual 4.9%
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 36.4%, Idler 28.8%, Simulation 16.7%, Casual 9.1%, Relaxing 5.5%
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 32.1%, Idler 25.6%, Simulation 15.2%, Casual 8%, Cute 6.4%
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 25%, Idler 19.6%, Underwater 9.9% ★, Economy 8.8%, Simulation 8.2%
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 34.3%, Simulation 16.4%, Idler 10.8%, Economy 6.9%, Casual 6.6%
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 34.7%, Idler 20%, Underwater 10.1% ★, 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 33.8%, Idler 22.1%, Simulation 10.4%, Nature 9%, Management 8.7%
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 28.8%, Idler 19.2%, Simulation 11.9%, Underwater 9.7% ★, Nature 6.2%
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 29.1%, Idler 27.6%, Simulation 19.2%, Pixel Graphics 6.3%, Retro 4.7%
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 29.5%, Idler 20.1%, Simulation 14.9%, Casual 7.7%, Nature 6.4%
"Fishful Days" is a casual idle game. you can buy fish fry and let them grow in the background; once they reach adulthood, they will continuously produce fish for you! You can also buy multiple fish tanks to achieve snowballing growth. It also offers rich fish tank customization features.
Why similar: Idler 27.7%, Simulation 16.3%, Casual 12.8%, Creature Collector 11.4%, Underwater 9.6% ★
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 28.4%, Idler 19.6%, Simulation 10.4%, Economy 9.5%, Nature 6.6%
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 30.3%, Idler 21.4%, Nature 9.9%, Economy 9.3%, Simulation 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 42.8%, Idler 27.5%, Casual 9.5%, Pixel Graphics 6.5%, Relaxing 5.8%
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 46.3%, Idler 30.1%, Casual 8.7%, Cute 8.3%, Relaxing 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 51.3%, Simulation 18.9%, Cute 9.5%, Casual 8.6%, Nature 6.8%
Adopt a free desktop hamster companion that lives right on your screen! Feed it, watch it grow, unlock evolutions, and battle other players in PvP mode. A cozy virtual pet that keeps you company while you work or play.
Why similar: Creature Collector 28.8%, Simulation 21.8%, Idler 18%, Casual 10%, Nature 6.3%
Breed, hatch, and level up ducks of all rarities on your incremental duck farm! Make your ducks work for food to level them up to unlock rarer breeds with unique traits. Can you hatch the rarest ducks? Start farming now!
Why similar: Creature Collector 36.8%, Idler 25.8%, Management 7.5%, Casual 6.9%, Colorful 6.4%
Build an otherworldly lab along the bottom of your screen. Invite unique companions to join you. 200+ creatures await summoning and fusion—raise them in bottles and decide their fate: convert to materials, or sacrifice them to darker forces?
Why similar: Creature Collector 34.5%, Idler 28.3%, Simulation 16.9%, Casual 8.9%, Relaxing 3.8%
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 25%, Idler 22%, Simulation 17.7%, Casual 9.7%, Economy 7.3%
Collect and breed adorable birds in this pencil-drawn 2D casual idle game! Watch them take leisurely strolls and play on slides in your yard. Purchase furniture, unlock a rich bird encyclopedia, and build a cozy home for you and your feathered friends.
Why similar: Creature Collector 39.4%, Idler 32.2%, Casual 16.8%, Cute 10.4%, Singleplayer 1.1%
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 37.4%, Idler 27.4%, Casual 14.4%, Cute 8%, Retro 6.5%
"Meet your new hardworking desk companion! Cozy Desktop Pal mines, fishes, and farms while you focus on your work. Help your pal survive by managing their needs, trade resources in the market, and use skill points to transform a tiny worker into a master adventurer."
Why similar: Creature Collector 21.7%, Idler 21.5%, Simulation 18.5%, Casual 7.9%, Family Friendly 7.6%
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 32.2%, Simulation 29%, Casual 16%, Pixel Graphics 7.4%, Family Friendly 5.8%
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 38.3%, Idler 23.5%, Nature 7.1%, Casual 6.5%, Pixel Graphics 5.6%
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 28.2%, Idler 22.6%, Economy 12.1%, Nature 10%, Management 8.4%
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 25.7%, Idler 18.1%, Underwater 10.9% ★, Simulation 7.5%, Nature 7.1%
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 29.8%, Idler 20.4%, Nature 8.4%, Management 8.2%, Simulation 7.7%
Discover and collect cute Dino Girls, organize their activities, and expand your resort while going about your daily stuff.
Why similar: Creature Collector 24.5%, Idler 21.9%, Simulation 12.3%, Management 8.4%, Economy 7.8%
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 32.9%, Idler 24.8%, Simulation 10.1%, Casual 7%, Cute 6.9%
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 31.3%, Economy 18.7%, Simulation 13.9%, Management 11.6%, Casual 7.3%
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 31.2%, Idler 23.6%, Underwater 15% ★, Simulation 8.2%, Cute 5.4%
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 25.3%, Idler 19.6%, Underwater 12.7% ★, Economy 11.4%, Management 7.8%
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: Creature Collector 19.7%, Idler 17.9%, Underwater 14.7% ★, Simulation 12.5%, Nature 8.5%
A cozy desktop idle game where cute slimes bounce around your tiny farm while you work or study.
Why similar: Creature Collector 31.9%, Idler 24.5%, Simulation 10.8%, Cute 7.5%, Pixel Graphics 6.6%
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 24.3%, Creature Collector 23.5%, Simulation 12%, Economy 10.4%, 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 35.2%, Simulation 15.6%, Economy 15%, Management 11.7%, Nature 9.1%
Upgrade your minions as you journey deeper into the mines. Explore different areas. Witness tens of miners at once.
Why similar: Idler 30.5%, Simulation 27.6%, Economy 18.2%, Casual 10.7%, Management 8.9%
Buy sharks, raise them, and sell them for profit, or take control of any shark to hunt fish yourself. Collect 150+ real-world species from dwarf lanternsharks to great whites. Spot rare albinos.
Why similar: Creature Collector 33.9%, Idler 23.9%, Underwater 6.7% ★, Colorful 6.4%, Casual 6.1%
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 24%, Idler 17.4%, Economy 11%, Underwater 9% ★, Nature 7.3%
A cozy idle game about hatching, collecting, and profiting from cute Dino stickers! Grow your prehistoric library in real time and fill your pocket books with roaming Dinos that keep earning even while away.
Why similar: Creature Collector 38.2%, Idler 23.1%, Simulation 10.9%, Casual 9.8%, Nature 4.9%
Enjoy watching cute hand animated dinosaurs inspired by 90's Tamagotchi live directly on your desktop. Manage your environment, resources to raise and evolve your dinosaurs during their entire life. But don't forget to show them love! Dinosaurs need love!
Why similar: Creature Collector 23%, Idler 15.2%, Simulation 11.1%, Nature 9.7%, Management 7.9%
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 24.7%, Idler 17.6%, Economy 11.2%, Underwater 10.3% ★, Simulation 9.5%
Open packs. Collect monsters. Watch the gold pile up. A cozy incremental about a monster workforce - place goblins, undead, and abyssal horrors across tiles where the right neighbors mean bigger payouts. Grow your sleepy island into a gold printing empire and unlock hidden islands to settle on.
Why similar: Creature Collector 28.6%, Idler 20.4%, Economy 11.8%, Simulation 7.5%, Management 7.5%
An unremarkable little animal desktop pet, until you read its name.
Why similar: Creature Collector 36.1%, Idler 30%, Simulation 15.8%, Casual 10.2%, Cute 6%
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 35.8%, Idler 27.6%, Management 9.2%, Casual 7.9%, Pixel Graphics 7%
Relax in a calm idle incremental aquarium. Buy and feed fish that grow in real time. Sell fish to buy more fry and discover rarer species. Build your oasis: unlock and place decorations, and enjoy fish interacting with them. Your world keeps earning even while you're away
Why similar: Creature Collector 25.9%, Idler 19.9%, Economy 12.8%, Underwater 12.8% ★, Simulation 8.3%
【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 24.4%, Idler 23.4%, Simulation 22.4%, Casual 12.4%, Underwater 7.8% ★
A gentle, interactive aquarium experience for young children and fish lovers. Watch, feed, and play with beautiful fish in a peaceful underwater world — no timers, no losing, just endless calm and discovery.
Why similar: Creature Collector 30.3%, Simulation 21.8%, Idler 18.6%, Casual 11.9%, Underwater 6.4% ★
An incremental journey about duck hunting with your canine companions. Shoot rare ducks, sell them, upgrade your abilities, and collect one billion ducks to combat world hunger!
Why similar: Creature Collector 29.9%, Idler 20.8%, Economy 13.7%, Nature 8.7%, Management 8.2%
"Koi Land" is a highly relaxing idle game. Purchase various types of koi fry, raise them over time, and sell them to earn money! Over 40 types of koi , listen to soothing music, and enjoy the sight of colorful koi as they accompany you through pleasant times!
Why similar: Creature Collector 35.3%, Idler 29.3%, Simulation 15.7%, Casual 13.1%, Relaxing 6.2%
Graboo is the shyest claw machine in the world. Graboo quietly picks up doll friends from the corner of the screen while you're working or enjoying games. Give warm friends to Graboo, a loner!
Why similar: Creature Collector 34.3%, Idler 31.1%, Simulation 15.8%, Casual 8.2%, Cute 7.8%
A cozy, chaotic idle-incremental clicker about growing a civilisation of tiny creatures called Pibbles in a giant tree, set in a post-human world. Gather resources, build wacky structures and play mini-games to push your production to its absolute limits!
Why similar: Idler 28.6%, Simulation 17.1%, Economy 13.6%, Management 7.7%, Colorful 7.6%
A short incremental game about catching bugs and running a shop filled with parakeets. Upgrade equipment, purchase game-breaking abilities, and maximize the profits of your Budgie-powered empire!
Why similar: Idler 24%, Simulation 15.9%, Economy 13.6%, Management 10.2%, Casual 7.6%
Your childhood isn't gone, it's right here! Remember when you were young, selling lemonade, mowing lawns, just to purchase "buddy" playing cards? Remember when the neighbor kid was bragging with his shiny golden buddy card? That kid can finally be you! I LOVE YOU BUDDY!
Why similar: Idler 29.1%, Simulation 26.2%, Casual 14.5%, Economy 11.2%, Creature Collector 11%
Buy and sell unique fish in this wacky pixel fish simulator!
Why similar: Creature Collector 47.2%, Simulation 24.5%, Casual 11.7%, Management 6.3%, Pixel Graphics 4.3%