
Idlequarium
Raise cute fish, sell them at the right time, and turn your coins into rarer species and prettier decorations.
Remember how cute and colorful Easy Bubbles felt at its best? These games could fill that gap nicely.
Buy a pack of mystery fish, drop them in your tank and watch them grow in real time. Sell the grown ones for profit or keep them earning, chase rare golden and painted variants, and build your aquarium from a starter tank into the setup you always wanted. A cozy idle game about fish, patience and slowly bigger numbers.
Also in Cozy · Cute, Colorful, Relaxing
A happy little aquarium that lives on your desktop and keeps growing even while you are away. Hatch and breed fish, decorate your tanks, go fishing with friends, and visit other players' tanks in short, cozy daily sessions. A calm, colorful idle game that asks for a few minutes a day and gives back a tank full of fishy friends.
Also in Cozy · Cute, Colorful, Relaxing
A little aquarium that lives on your desktop. Raise fish, sell them at the right moment, and spend the coins on decorations and rarer species. It grows while you work, and a glance at it is enough to reset your head.
Also in Cozy · Cute, Colorful, Relaxing
An idle desktop aquarium game where you buy, feed, and breed fish to discover new species with unique rarities and tiers. Decorate cozy tanks and customize your desk with cute items. Earn money just by caring for your fish, even while you work or relax!
Also in Cozy · Cute, Colorful, Relaxing
Joyquarium is a casual fish-raising idler: buy fry, feed them, sell the grown ones or keep adults earning money in the tank. Collect 144 fish species, hunt rare shiny variants and Fish Kings, and decorate your tanks with plants, driftwood and stones. No cleaning, no water changes, no pressure. Just a pretty tank that hums along.
Also in Cozy · Cute, Colorful, Relaxing
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.
Also in Cozy · Cute, Colorful, Relaxing
A pixel-art aquarium that runs itself. Buy fish cards, let them grow, then keep them for steady gold or sell them for new cards. Nine themed tanks, hundreds of species to collect, a charming shopkeeper, and soft music with white noise for working or studying.
Also in Cozy · Cute, Colorful, Relaxing
A cozy idle aquarium overlay that brings your desktop to life with pixel-art fish. You can hatch, breed, and collect fishes in thousands of genetic combinations. Dress them up with accessories, watch them grow from eggs to adults, and unlock playful upgrades through a skill tree.
Also in Cozy · Cute, Colorful, Relaxing
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!
Also in Cozy · Cute, Colorful, Relaxing
A tiny aquarium that lives on your taskbar while you work, browse or play something else. Start with a few fish, breed and fuse your way to rare species, decorate the tank and trade on the Steam Community Market. Pixel fish, lo-fi music, and a collection that grows while you do other things.
Also in Cozy · Cute, Colorful, Relaxing
Cozy Littlequarium is a relaxing aquarium simulator that sits at the bottom of your screen! Take care, breed them, collect and decorate!
Also in Cozy · Cute, Colorful, Relaxing
A red panda fishes at the bottom of your screen while you work, and the fish wait for you. Catch 100 species across 12 biomes, sell the haul, buy upgrades, chase rare color variants and legendary fish, then put your favorites on display in desktop aquariums. A calm collection game that fits around your day.
Also in Cozy · Cute, Colorful, Relaxing

Raise cute fish, sell them at the right time, and turn your coins into rarer species and prettier decorations.

An idle desktop aquarium game where you buy, feed, and breed fish to discover new species with unique rarities and tiers.

Raise colorful fish from fry to adult, hunt rare shiny variants and Fish Kings, and decorate tanks that keep humming along without any chores.

Collect fish cards, watch your pixel tanks fill up, and earn steady gold at your own pace.

A red panda fishes quietly on your desktop while you work, filling a collection of 100 species at your own pace.

Little Fish Swims is a relaxing and enjoyable idle game with a casual simulated fish tank located at the top of the screen.

Create a vibrant, personal fish pond right on your desktop! Easily raise idle fish, collect cute species, and customize your digital space.

Turn your desktop into an aquarium! Fish, collect, earn, and decorate your aquarium.

Fish culture in reality is expensive and time-consuming! In this game, your desktop is connected to the sea and lake, where you can purchase various…

Little Aquarium is a relaxing idle game where you grow your own underwater world.

Zen Aquarium is an idle fish tank that fills itself while you do other things.

Raise a tankful of hungry fish, turn their coins into upgrades, and grab a laser when things get weird.

Zen Aquarium is an idle fish tank that fills itself while you do other things.

A red panda fishes quietly on your desktop while you work, filling a collection of 100 species at your own pace.

Create stunning virtual aquariums on your PC! Our advanced 3D engine brings your fish tank to life with breathtaking realism, featuring lifelike…

Hatch, breed and decorate your own fish, then trade and fish with friends in a few cozy minutes a day.

Raise colorful fish from fry to adult, hunt rare shiny variants and Fish Kings, and decorate tanks that keep humming along without any chores.

Take over your grandpa's rundown aquarium and turn it into a thriving fish empire.

Breed pixel fish, decorate their tank and watch your collection grow while you get on with your day.

Design, stock and care for living freshwater tanks, from tiny betta setups to a 3000 gallon monster.

A cozy idle aquarium overlay that brings your desktop to life with pixel-art fish.

Fish culture in reality is expensive and time-consuming! In this game, your desktop is connected to the sea and lake, where you can purchase various…

Build beautiful aquariums, care for exotic marine life, complete creative customer jobs, and grow your own aquarium business into a world-class…

Collect fish cards, watch your pixel tanks fill up, and earn steady gold at your own pace.

Aquarium Days is a cozy fish-collecting game with 60 adorable species, 117 appearances, and 18 aquarium scenes.

Aquarium Party is a heartwarming underwater simulation and collection game featuring a soothing, healing art style.

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…

Breed pixel fish, decorate their tank and watch your collection grow while you get on with your day.

Vquarium is a relaxing incremental-idle game where you grow your own underwater world on your screen overlay with a virtual assistant.

Reefling is a calm desktop aquarium that sits in the corner of your screen.

Take over your grandpa's rundown aquarium and turn it into a thriving fish empire.

Collect, grow, and sell exotic fish across 10 stunning aquarium tanks.

An idle desktop aquarium game where you buy, feed, and breed fish to discover new species with unique rarities and tiers.

A relaxing mini aquarium that stays on your desktop corner while you do other stuff — collect fish, upgrade tanks, and enjoy a cozy idle experience.

Create your dream aquariums while you do other things in this relaxing idle game that sits on the bottom of your screen.

A cozy aquarium where every fish is a collectible card. Open packs, watch your cards come alive in the tank, merge duplicates up to ★10 and complete…