Top similar games like Idle Aquarium:

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.

Kojimachi is a widget style pet game where you can feed and care for your pet on the island you decorate.

An ecosystem simulation running in your hands. Transform a desertic world into a lush forest. No stress, play at your own pace. This world is at your disposal. Terraform the landscape, add plants and animals. Create your perfect ecosystem.

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.

A singleplayer/co-op indie penguin simulation game where you upgrade your igloo to make it the coolest igloo ever, create power stations on the outskirts of your island to generate power and money, and eventually launch yourself to the moon to prove that penguins can indeed fly!

Discover an immersive ocean Eco-Sim where you can be almost any animal under the sea! From a tiny seahorse to a massive blue whale, experience the endless circle of life in a massive world of reefs, shipwrecks, and hidden wonders.

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.

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!

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!

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.

You are an astrobiologist stranded on a lifeless planet. Breathe new life into this mysterious world by gathering plants, animals, and research upgrades to help it grow back to its full potential. Collect, breed, and evolve over 90 cute and quirky Critters to help you on your journey back home!

A cozy idle aquarium that lives on top of your screen. Watch fish swim, grow, and interact while you work or relax. Desktank turns your desktop into a peaceful underwater world — float it in the corner or let it take over the whole screen. Just sit back and enjoy the calm.

Horticular is a relaxing garden builder where you grow plants, design habitats and attract a wide range of wildlife. Help the gnome Keepers restore a barren wasteland with magical powers and populate it with adorable critters. Reclaim nature from a looming corruption and create your perfect garden.

Realistic Animal Lifecycles & Survival in a beautiful micro-world of living plants, a procedurally generated 3D world and many playable insects! Currently featuring Monarch Butterfly, Praying Mantis, Jumping Spider, Ladybird, Parasitic Wasp and many more! Mammals, Birds, Reptiles coming soon!

Immerse yourself in the atmosphere of a secluded country village and enjoy the rhythm of life in nature. In "Pastor's Lake" you can go fishing, build a sauna, farm and more, without being limited to a linear plot.

Catch, Collect and Care for Pondlings with unique colour, pattern, size and nature combinations! Personalise your tank with animated backgrounds, floorings and objects. Unlock Pond-Passes in-game to gain access to exciting fishing locations, each with special new Pondling types to collect!

Discover a myriad of exotic species in this relaxing aquarium manager. Balance your resources and care for your fish to build the ultimate habitat.

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 relaxing life-sim that lives on the bottom of your screen while you do other things.

In Reus, you control powerful giants to shape the planet to your will. You can create mountains, oceans, forests and more. Enrich your planet with plants, minerals and animal life. There is only one thing on the planet that you do not control: mankind, with all their virtues and and all their vices.

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?

Existential Nature Simulation

Create and evolve your own digital lifeforms! Watch or interact as your creations adapt and thrive in a world governed by the laws of physics. Download now and start your own evolutionary journey!

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.

"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 idle fishing game where you play as an adorable alligator angler. Designed to run in the corner of your screen, it's the perfect companion for work or study—featuring rich animations that make every moment feel like watching a charming short film.

Is a full-fledged ecosystem simulator, bringing every aspect of nature to life. From the water cycle and plant growth, to animal behaviors and reproduction, observe your small living world evolve. All the tools are at your disposal to create your perfect forest.

Stay hydrated, relax, and build your dream aquarium! HydroTick reminds you to drink water at your chosen intervals, rewards you with coins, and lets you collect unique fish, rare decorations, and create a soothing aquatic world.

"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.

Wildseed is a relaxing game where you grow plants and build your garden into a haven for cute animals. Keep your animals happy and your plants healthy, find rare variants, and discover the ancient secrets your garden holds - one seed at a time.

Setup, decorate and arrange a set of natural elements in an aesthetically pleasing manner.

Magnet Fishing Simulator is a relaxing and immersive treasure-hunting adventure where you fish for sunken relics with powerful magnets, restore them to glory, and upgrade your gear to unlock deeper, more mysterious waters.

AquaCorner is a relaxing 3D idle simulation that brings a charming aquarium to your desktop corner! Collect cute fish, nurture them, and decorate their habitat with colorful items. Enjoy this cozy, atmospheric experience and build your dream underwater ecosystem.

Create your very own religion and make history by dominating the whole wide world! Define your dogmas and wage holy wars on land, sea, and in the sky. Convert as many as you can to your belief system!

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.

Open Fishing 2 is a chill open world fishing game. Fill out a book with 115 fish species, meet friendly fish gods, sail the oceans with your boat, cook, draw your own map, and enjoy fishing without worries.