Top similar games like Cozy Littlequarium:

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!

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!

"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. 

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!

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.

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.

Experience the ultimate ecosystem simulator! Equiverse is a hectic simulation game where you care for different species of animals, earn income by keeping them happy, unlock helpful companions, and defend against invading monsters. Can you keep your ecosystem thriving?

Time Is Honey is a relaxing idle game where you manage bee hives. Collect unique bees by opening bee packs, take care of them in real-time and then turn it all into profit. Unlock, upgrade and customize your hives, and enjoy completing your collection of bees.

Bunny Clicker is a cozy idle game where you can raise your cute bunnies on a small farm. Breed them, feed and play with them to earn more carrots and improve their quality of life.

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

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!

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!

Want to build a bunny paradise? Embark on a bunny-filled journey in Usagi Shima, where you transform an abandoned island into a cozy haven for adorable bunnies! Entice fluffy tourists, deck your island with cuteness, and befriend lovable bunnies.

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!

"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.

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.

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.

A relaxing idle fishing game that waits for you at the bottom of the screen while you do other things. CATCH, COLLECT and DISPLAY fishes!

Dive into Slime Farm Simulator, where you'll play with, and care for the Cutest magical slimes ever seen! Watch as they Evolve in whimsical ways, strategically manage their Elements and moods, and expand your enchantingly cute slime farm.

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?

Animal friends to keep you company while you work on other tasks. Run a cozy market, play with your chat during streams or use productivity tools to help you focus. All from your desktop!

A small clicker game about destroying ducks! Collect 40+ ducks, upgrade all your stats, and repeat! Includes normal & master ducks, timed events, tons of upgrades, rebirths, achievements, and more!

🦕 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?

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!

The arrival of birds turned the deserted island into a garden, creating your own unique garden in the sandbox!

Run your very own Dragon Sanctuary! Grow crops to feed your dragons. Clean, upgrade, and decorate to discover new dragon breeds and complete your collection!

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

Meet your new little desk buddies! They’ll snooze, scratch, and scamper around while you work or study (don’t worry, they’ve been trained not to invade your workspace). If you’re good at animal management, they will occupy the bottom of your screen with different kinds and colors!

Help adorable creatures manage their farm and expand their family in a farming simulation that combines resource management and pet care. This cozy game runs at the bottom of your screen, providing a quick break that lets you stay productive.

The ocean took it all… now take it back! In this short semi-idle island builder you’ll resurface fertile farmland - tile by tile. As you plant, harvest and expand you’ll obtain helping hands and discover what else lies below the surface.

As corruption spreads throughout Continaa you fight back in the coziest way possible! Befriend magic slimes, farm, and upgrade your train station to improve your skills as you visit distinct biomes all with their own unique playstyle!

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.

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!

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!🐛🐌🦋🦟🦗🐜🐝🐞🦂🕷

Nanomon are tiny, virtual pets who hang out in the corner of your screen. Train, explore, discover, and play with your Nanomon so they can evolve into the perfect companion! Only the best, most attentive trainers will help their Nanomon achieve their life goal!