Top similar games like Under Aquarium:

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!

Idle Skilling is the ultimate Idle Game with years of content! Meant to be played for 5-10 minutes a day, you gradually unlock new skills like mining, fishing, pet breeding, crusading, potion-making, lab-research, construction, and more! With new updates coming, you'll never run out of stuff to do!

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

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.

Catch fishes, sell for cash, and upgrade gear in this cozy semi-idle clicker! Explore new areas with unique fishes, defeat boss fishes, level up, unlock skills, and complete your collection. There are so many unique fishes to catch, I can't even keep count!

A Placement And Development Game That Only Requires Mouse Operation And Is Played At The Bottom Of The Screen. It Has A Soft Color Screen And Is Suitable For Easy Play While Working, Harvesting Resources And Raising Chickens.

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!

This is a group of cute little fish swimming leisurely at the bottom of the screen while you work. The fish swim, grow and earn stars for you. Use them to buy other cute little fish until the bottom of the screen becomes a colorful ocean world! Start a leisure desktop fish farming journey!

"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.

Idle Fields is an Idle Skilling Game. Grow crops, cut trees, fish, cook, purchase animals, mine, smith, and decorate your homes! Automate tasks with workers. Unlock all the achievements, level up to become richer, and complete it all!

Capybara Achievement Clicker is a simple incremental and idle game. It features over a hundred easy-to-acquire achievements and a Capybara to click on.

Get ready to spice up your screen with NOODS—Niche Operators Orchestrating Desktop Shenanigans! These cheeky, animated desktop buddies bring chaotic fun, quirky reminders, and interactive antics straight to your workspace.

An idle overlay game where you build, expand, and watch endless trains run across the world.

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.

Time Clickers is what's called an 'incremental game'. There's always a fun upgrade to look forward to, and the numbers keep getting bigger! Hire a team to fight for you, even when you're offline!

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.

Cashrooms is an interior design simulator where you can regularly receive items, sell and trade them on Steam to create the room of your dreams.

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.

Your purr-fect desktop companion is here! Get adorable cats that chill at the bottom of your screen, keeping you company while you work, study, play, or relax. Collect toys & furniture to build them a cozy home. Pet, feed, play, or simply enjoy their presence.

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!

Grow your realm, build alliances, and explore one of the deepest idle RPGs ever!

The Royal Bakery welcomes you to Bread, a fun simple clicker game. Stay a while, have some fun and click a crumb. Careful too much bread makes you fat.

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!

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

Grim Clicker is an IDLE/RPG clicker where you will find your own strategy to explore the lost worlds. Inspired by games such as Diablo, Grim Dawn, Dark Souls, etc., the game features a complex character development, many unique items, active and passive playstyle.

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!!!!

Catio Simulator is a relaxing idle 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!

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).

Escape the Cradle is an Incremental RPG with cute pixel art about a foxgirl trying to clear out the dungeon she was born in so she can leave with her mother and explore the outside world. She's animated with Live2d and you restore her hp between runs with headpats!

WobblePop: Pop bubbles, dodge silly fish, and dive into colorful underwater fun!

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!

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!

Defeat enemies, earn gold, upgrade your village, become a Ninja Master!