Top similar games like Aquasim:

Build a living pond where every fish has a unique genetic code. Breed for rare traits, balance oxygen and hunger, unlock new species, and watch your ecosystem compose its own soundtrack in real time. Part sim, part idle game, part science experiment gone beautifully wrong.

Build and manage a cozy idle supermarket run by cute animals at the bottom of your screen. Produce goods, stock shelves, automate your store, hire employees and expand your tiny market.

Elevate your PC experience with charming desktop pets. Inspired by such a wonderful invention as Shimeji, Desktop Pet Project has tried to collect the most interesting and curious mechanics. You can summon up to two pets that will have slight personalities in behavior.

An incremental game where you must make $1,000,000 to escape! Throw darts, play scratch-off tickets, unlock automation, drop pachinko balls, and discover powerful synergies as each new game affects all the others!

Orion Blue is a cozy fishing adventure set on a beautiful alien planet. Catch fish, gather resources, and build relationships with the locals. Play actively, or relax and let the game progress with Idle Mode.

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.

Cozy idle cafe management that keeps you company while you work. Grow fresh ingredients, cook, and serve delicious food to adorable animal customers. Build your dream cafe that sits at the bottom of your screen.

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.

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!

In Bside, you create your original character Biibit, a living virtual buddy who finds a home on your desktop. Each Biibit grows, learns, makes friends, and develop its own unique view of the world. Together, Biibits create a cozy and vibrant world full of life, stories, and connections!

Meet your Biibit: your virtual buddy who lives and grows on your desktop. They aren’t here to be controlled, but their autonomous growth might lead you to discover your B side.

Garbage Growth is a short incremental trash game about collecting people's trash, bananas and even babies, to make money and pollute the world even more. Hire rats, grow your pollution, and make everything worse!

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!

Build a drug empire with your last $50. Buy production, upgrade it, and hire workers to automate.

Immerse yourself in a beautifully designed world where you can create, decorate, and manage your very own aquarium while enjoying soothing Lofi music. Whether you're looking to unwind after a long day or boost your productivity, CozyAquarium offers something for everyone.

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!

Build your society powered by AI characters. Give your townsfolk unique personalities, hobbies, and traits; then watch them work, argue, form friendships, fight on their own, and more. Complete dungeons & play mini-games with your characters to win artifacts. Runs 100% locally on your machine.

Dive into Purrounding and customize your very own cat! Watch as your adorable feline strolls across your taskbar, and create the perfect workspace with a variety of furniture pieces. Boost your productivity with a Pomodoro timer and chill out to some lo-fi tunes while you work!

Misty's Idle Fishing is a relaxing idle fishing game that sits on your desktop! Help Misty upgrade her equipment, customise her boat, and discover new islands, so she can catch and research all sorts of fish while you are busy with other things!

A relaxing idle-farming simulator that sits at the bottom of your screen while you do other things.

Run a bathhouse visited by animals! Maltese's Fluffy Onsen is a relaxing simulation game that you can enjoy while doing other tasks, as it sits at the bottom of your screen. Place baths with different temperatures and rest areas to help a variety of animal friends unwind.

A cozy desktop idle game that runs quietly in the background. River sand is sifted to discover minerals and build a small museum collection.

Run and manage a seaside resort! Take care of guests and handle daily operations. Grow your resort step by step, create the perfect vacation atmosphere, and enjoy a calming simulation experience.

A bottom-screen idle game that won't disrupt your work or study. Research tech, farm crops, raise animals, recruit survivors, unlock mines, hunt mutants, fend off aberrations, gear up your squad, craft with machinery, repair the rocket, build your shelter—and conquer the apocalypse!

Build your own e-Commerce giant in the 90s in this first person simulator. Fullfill orders, hire staff, expand to multiple warehouses, engage with a deep simulation and make sure your cat doesn't get angry with you.

Crack open surprise eggs and discover what's inside! Find rare toys to get rich or lose it all. Every opening is a gamble, every egg a chance. Build your store, sell eggs or crack them open - no risk, no reward. If luck's on your side, fortune awaits!

A dragon ranching sim where you find, hatch, raise, and care for your dragons while building a home in a ruined world. Breed dragons, explore the land, and grow your ranch in this cozy creature care adventure.

Collect fish, grow your aquarium, earn money, and unlock decorations. Feed your fish, keep the tank clean, and enjoy calm 2D idle progression at your own pace.

A short, simple and relaxing idle game where you grow crops, build homes for farmers, and earn money to decorate.

Alnico Smithery is a hand-drawn, physics-based forging simulator. Mine for ore, smelt ingots, discover alloys, forge tools, and rebuild the smithery your grandfather left behind.

"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.

A cozy management sim where the jazz is smooth, the cocktails are cooler than the evening breeze, and the lake reflects your perfect escape.

A relaxing, idle boba-shop simulator that can accompany you as you work on other things. Sell boba tea, unlock new drinks, and customize and care for a boba pet that lives in the corner of your screen!

Discover and collect cute Dino Girls, organize their activities, and expand your resort while going about your daily stuff.

Cyber Fish King is a relaxing, stress-free idle game. A compact game that sits at the bottom of your screen so you can take a quick breather while handling other tasks! Raise digital fish and enjoy a cyber life!