Top similar games like Star Aquarium:

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

Create a vibrant, personal fish pond right on your desktop! Easily raise idle fish, collect cute species, and customize your digital space. Earn continuous rewards even while offline, decorate freely with simple taps and soothing sounds, build your serene desktop oasis effortlessly.

Build your fantasy aquarium, discover rare fish, and manage your underwater world!

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!

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!

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?

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.

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!

Leave the game on and watch Lyse work in a post-apocalyptic world on the corner of your desktop. Her job is to collect microbe samples; your job is to lend a hand when you can.

Creature Evolution is a simple game about merging little creatures and seeing what they turn into. You start with a few small critters, and by combining them, they slowly change into new and sometimes unexpected forms. The more you merge, the stranger and bigger they grow.

A chill idle-monster capturing desktop toy in the corner of your screen. Buy upgrades, catch rare Tomomon, and customize your character at your own pace!

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.

《Fluffy Kitchen Saga》A restaurant simulation game located at the bottom of your computer screen, where both staff and customers are fluffy little animals! They’ll keep you company while you work/study. Let’s run a restaurant full of fluffiness!

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

"My Aquarium" runs at the bottom of the screen while you are doing other things, making it an idle aquarium simulator you can enjoy comfortably.

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!

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!

Build and customize your own arcane aquarium in this cozy collection/idler game. Use your magic to summon juvenile cute creepy fish. Tend to them and watch them grow. Make discoveries, expand your collection, decorate your tanks with art and plants.

Clankers! is a short incremental robot killing game. Kill Clankers, gather money and spend it on weapons and upgrades to stop Clankers from stealing our jobs!

It's vacation time! Try your hand at managing a lush tropical resort!

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!

"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.

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).

Catio Simulator is a casual clicker game in which you decorate a catio to attract cats. Pet your cats to get them ready for adoption, collect adoption fees, and buy new decorations and petting abilities!

Create and customize your very own Dragon Sanctuary! Reclaim a world lost to ancient corruption and restore it to life. Build, decorate, and upgrade your sanctuary as you cleanse the land and bring the last of the dragons home to hatch.

Gensoukyo is a 2D top-down game set up for the stage. In the peaceful and tranquil Gensoukyo, a little girl with yellow hair who likes to borrow books everywhere has aroused Alice's anger. Therefore, she calls on everyone in Gensoukyo to gather in front of Marisa's house for a battle!!!!

Loot Loop is a relaxing incremental dungeon crawler featuring short runs, rewarding upgrades, and a cozy retro pixel art style – dive into dungeons, fight monsters, and grow stronger every run.

Chonkers is a cozy and relaxing idle game. Adopt the cutest fur balls and watch them ramp up the chonk scale as you play with them. Find them a new family. They’ll pay A LOT for your hefty chonker! Complete your collection by finding all the breeds and the rarest space cats!

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!

“Work... or Fish?” is a cozy idle fishing game that runs on your desktop. The cat took a long vacation to enjoy peaceful fishing—will you join? Shrink the window to fish in secret, upgrade gear, and relax in your own little corner.

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.

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.

"Internet Fisherman" is an idle fishing game with Steam Community trading, where you can obtain rare fish every 2 hours and add them to your Steam inventory. Players can feed fish to cats to increase affection, and will appear on the affection leaderboard to compete with other players.