
Idlequarium
Raise cute fish, sell them at the right time, and turn your coins into rarer species and prettier decorations.
Loved how relaxing and colorful Idle Reef can get? These games could fill that gap nicely.
Begin with an empty reef, as time goes on; hire cleaners, grow coral & create the best day spa in all the 7 seas!
Relaxing, Colorful, Cute
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.
Relaxing, Colorful, Cute
"Under the Blue Horizon" is an idle simulation game. Play while performing other tasks on your computer! Place your own aquarium anywhere on your screen, coexisting with your work, games, and more!
Relaxing, Colorful, Cute
Reefling is a calm desktop aquarium that sits in the corner of your screen. Feed your fish with a click, earn shells over time, and collect over 150 pixel-art species. Decorate the tank and watch day turn to night. Your fish never starve and you can't lose, so just relax while you work.
Relaxing, Colorful, Cute
The ocean is dying and you are its last hope. A heartfelt story by Rhianna Pratchett carries you through.
Relaxing, Colorful, Cute
Build your reef, observe wildlife, and learn about marine fauna. Turquoise is a contemplative game where you create and decorate a protected marine area to welcome a wide variety of aquatic species. Your screen becomes a window into a vibrant underwater world.
Relaxing, Colorful, Cute
Discover a myriad of exotic species in this relaxing aquarium manager. Balance your resources and care for your fish to build the ultimate habitat.
Relaxing, Colorful, Cute
Coral Cove is a relaxing match 3-like underwater game in which you try to build the largest reef without running out of corals to place.
Relaxing, Colorful, Cute
Little Aquarium is a relaxing idle game where you grow your own underwater world. Collect rare fish, discover vibrant color variants, and decorate your dream tank!
Relaxing, Colorful, Cute
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.
Relaxing, Colorful, Cute
My Joyful Aquarium is a relaxing game where you build your dream fish tank. Take good care of your fish’s comfort, upgrade their environment, and explore thousands of breeding possibilities. With offline progression, your aquatic world thrives even when you’re away! Ready to dive in?
Relaxing, Colorful, Cute
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.
Relaxing, Colorful, Cute

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

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.

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

A game that let enjoy fish keeping and decorating your aquarium while doing your work

A dreamy idle aquarium game set in the deep sea, where players collect, feed, and evolve a variety of fish to build their own underwater paradise.

Your cozy pixel-art desktop companion! Fish, farm, and mine on the corner of your screen while working or relaxing.

Grow fish with a gachapon twist in this bite-sized idler! Feed, nurture, and watch as fisher people reel in mature catches, earning money to upgrade…

Craft your dream fishing experience in this engaging tycoon idler.

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…

While you work, a little ocean lives at the edge of your Windows desktop.

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.

Watch a quiet aquarium fill with fish while you mix your own soothing soundscape in the background.

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

Design and run lifelike 3D aquariums, from casual aquascaping to full water chemistry.

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.

Found an underwater colony, gather resources, craft and keep your settlement thriving in a colorful, relaxing story about healing a dying sea.

Coral Cove is a relaxing match 3-like underwater game in which you try to build the largest reef without running out of corals to place.

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.

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

"Under the Blue Horizon" is an idle simulation game. Play while performing other tasks on your computer!

Open packs of mystery fish, raise them in your own tank and hunt for rare golden variants at your own unhurried pace.

Fishcremental is a ridiculously cozy underwater adventure where you catch super cute fish, discover game-changing upgrades, and fill the whole sea…

An underwater incremental game where you catch sea creatures, unlock upgrades, and dive ever deeper into the ocean.

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.

Your cozy pixel-art desktop companion! Fish, farm, and mine on the corner of your screen while working or relaxing.

Found an underwater colony, gather resources, craft and keep your settlement thriving in a colorful, relaxing story about healing a dying sea.

A cozy island builder with mini games (fishing, animal farm, random rewards) Casual, Simulation, Idle, Building, Relaxing, Cozy, Singleplayer…

A tiny, cozy idle fishing desktop companion about quiet progress, handcrafted islands, and stories hidden beneath the waves.

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.

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.