Top similar games like マチョリウム -Muscle Aquarium Simulator-:

Cozy Island Idle is a chill fishing idle game where you catch all sort of fantasy fishes to showcase them in an Aquarium to sell them to turn a profit and customize your aquarium and island.

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!

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!

Relax and catch fish in a beautiful environment. Hire skilled crewmates, invest in lucrative buildings, unlock many boats & upgrades. Dive into the challenge of the fishing mini-game for an interactive experience unlike any other!

Watch and play with quirky critters as they generate loads of money for you in a unique idler/creature collector hybrid.

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.

Idle aquarium sim you can keep anywhere on your screen while you do other things, or play in a full screen window you can dock or resize if you wish! Buy endless upgrades, apply trait modifiers, and complete your collection of rare, epic and legendary fish! Don't forget to wishlist!

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

"Lofi Aquarium" is a gamified focus tool designed to enhance concentration and relieve stress. As you work, a group of adorable baby fish will keep you company, all set to soothing lofi music. Over time, the fish grow and can be sold for profit. 

Birdfull is a small relaxing idle game. Attract birds with feed, try to keep them longer, and discover all of them including the unique ones! Watch the birds, generate more eggs in real time, and customize your cozy bird space.

Plunge into the tranquil existence of the sweet poolside life with the amazing company of peaceful Rubber Sharks. This adventure invites you to revel in the bliss of your cherished poolside sanctuary. But could there be a mystery hidden in this peaceful scene, or even more?

Cast n Chill is a cozy idle fishing game where you explore serene lakes, rivers, and oceans. Catch rare fish, upgrade your gear and reel in legendary catches - with your loyal pup by your side.

Let's face it, we all were once kids. There was a time when we wanted pets, and there was a moment when we wanted to keep a pet fish. Some of us got what they wanted; some didn't. Some cried, some forgot. Aquario is the game where you can live through this traumatic experience again, or anew.

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!

Fishing Tale is a relaxing fishing adventure game where you catch over 40 unique fish across diverse environments like oceans, lakes, and rivers. Customize your character, track your catches in a detailed journal, and enjoy the soothing sounds of nature.

🦕 Dino Park is a cozy idle game about collecting dinosaurs! 🦖 Watch your dinosaurs level up in real time, earning more money for your park. Create the perfect environment for your dinosaurs to increase the chance of discovering super rare variants! Can you collect them all?

Set sail on a mystical fishing journey where fish fight back with elemental magic. Battle fire-breathing leviathans in molten rivers and outwit frost-casters in icy oceans. Can you uncover the source of a chaotic maelstrom threatening the realm and restore balance before it’s too late?

In Bugtopia, you can purchase and raise insects to create your own eco-box. Sell them for profit or keep them in the eco-box for continuous idle income. Buy more diverse eco-boxes, decorate them, and enjoy a wonderful summer with the insects!🐛🐌🦋🦟🦗🐜🐝🐞🦂🕷

Photo-Toy Ocean is a PS1-Styled, desktop-background toy where you take pictures of underwater sea life. Running at a 320x320 windowed resolution, this simple relaxing sim will have the player drop in every now & then to photograph the aquatic world & complete a photo album.

Cats are Money is a cozy idle game in the "Tamagotchi" genre where you manage a farm and collect unique cats into your inventory. Take care of your pets, feed them, and play with them. Upgrade your farm, unlock new breeds and businesses.

Topac Battle is a cozy and relaxing idle game. Buy Topac Ball, Reveal Cozy Monsters and Level them up, Sell for a higher rarity, and become the master of the chill battle scene. From a simple park to your dream setup with rare exotic monster and ultra-rare color variants!

A relaxing idle game about fishing. Discover dozens of fishes and treasures! Spend your resources on growing your operation and unlocking new varieties of underground life! Achieve goals, buy skills, and mutate rare fish to improve your profits!

In Hungrities, you will take care of small and adorable creatures while attracting new visitors who will explore your farm! Play and interact with your cute creatures: drag them, squeeze them, or stop them if they start fighting each other. Have fun while expanding your collection!

Run your own Konbini in this Cozy and Relaxing Idle Game that stays at the bottom of your screen, accompanied by soothing lofi musics. Sort your selling products on the shelves. Decorate your Konbini, unlock new products and decorations—all while you work or relax.

Aquarium Designer gives you an opportunity to create the aquarium of your dreams! Become a professional whose job is to design it, build it, and fill it with the various underwater wildlife! All types, all sizes - your creativity is your only limit!

Grow, feed and care for your colony of adorable isopods in this realistic semi-idle simulator. Watch your isopods multiply and split or sell your colony if they become too numerous. Created by the Kunstaat community, 100% of our proceeds support charity!

Pocket Garden is a super cute little indie game where you can build the coziest gardens and have the best time ever! No worries about resources, fighting, or health. Just sit back, relax, and enjoy!

Seed, Breed, Create. From single cell organisms to complex ecosystems. Evolve every part of your own unique aquarium / terrarium by applying scientifically accurate principles of natural and artificial selection, in Creatura - ultimate Virtual Evolution Vivarium Simulator.

You're a wildlife photographer staying at a cozy, secluded safari lodge in East Africa. Spend time relaxing at scenic outlooks, snapping photos of local wildlife, and working your way through a variety of upgrades and unlockables in this laid-back photography sandbox.

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!

A chill idle-fishing desktop toy in the corner of your screen. Buy upgrades, catch rare fish, and customize your avatar at your own pace!

🏝️ Cozy Beach welcomes you to relax at an enchanting tropical beach solo or with friends. Catch and collect fish, search for treasure, craft tropical drinks, go water tubing - or just hang out and chill!

Grow, feed and care for your shrimp pals. Watch your shrimp multiply and sell your colony when they become too numerous.

We Love Fish Tanks is a cozy aquarium builder. Kick back & relax, buy, breed, & sell fish (or fish-like things), and decorate your tank exactly how you'd like!

Do you want to have a small island of your own? Come here, a stress-relieving casual game to melt your worries away. Mushrooms are the most precious food here. In order to produce more mushrooms, you need to gather resources, expand the island, upgrade buildings, and train workers.

Grow, feed and care for your colony of mighty ants in a realistic semi-idle simulation of ant keeping. Created in collaboration with ant keeping enthusiasts, Ant Keeping Simulator will be an accurate experience to ant keepers.