
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!
60+ similar titles based on shared tags and player behavior. Themes include Casual, Idler, Relaxing, Cozy.

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!

Tomomon Little
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!

Cozy Littlequarium
Cozy Littlequarium is a relaxing aquarium simulator that sits at the bottom of your screen! Take care, breed them, collect and decorate!
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!
Why similar: Utilities 17.1% ★, Creature Collector 13.5%, Idler 8.9%, Incremental 8.2%, Capitalism 7.7%
Cozy Littlequarium is a relaxing aquarium simulator that sits at the bottom of your screen! Take care, breed them, collect and decorate!
Why similar: Cozy 21.9%, Creature Collector 19.7%, Underwater 18.8% ★, Idler 12.7%, Incremental 6.8%
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!
Why similar: Underwater 19.2% ★, Creature Collector 17%, Idler 12.9%, Cozy 12.1%, Incremental 9.7%
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!
Why similar: Underwater 26.2% ★, Cozy 19.6%, Utilities 13.1% ★, Creature Collector 12.3%, Idler 10.9%
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).
Why similar: Underwater 18.3% ★, Creature Collector 15.3%, Cozy 14.3%, Idler 10.6%, Fishing 8.7% ★
Relax in a calm idle incremental aquarium. Buy and feed fish that grow in real time. Sell fish to buy more fry and discover rarer species. Build your oasis: unlock and place decorations, and enjoy fish interacting with them. Your world keeps earning even while you're away
Why similar: Underwater 22.2% ★, Creature Collector 15.8%, Idler 11.7%, Capitalism 10.1%, Economy 8.7%
Open packs. Collect monsters. Watch the gold pile up. A cozy incremental about a monster workforce - place goblins, undead, and abyssal horrors across tiles where the right neighbors mean bigger payouts. Grow your sleepy island into a gold printing empire and unlock hidden islands to settle on.
Why similar: Cozy 18.9%, Creature Collector 18%, Idler 12.5%, Capitalism 11.7%, Incremental 11.2%
Easy Bubbles is a relaxing aquarium simulation filled with cute sea creatures. Manage your aquarium with click and idle mechanics, collect resources and have a pleasant experience in the colorful and peaceful underworld.
Why similar: Underwater 20.8% ★, Cozy 18.4%, Creature Collector 17.2%, Idler 11.7%, Incremental 9.1%
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.
Why similar: Underwater 23.6% ★, Cozy 17.1%, Creature Collector 15.6%, Idler 11.8%, Fishing 9.8% ★
Hatch mystery eggs, watch fish grow to reveal their hidden rarity, and collect the rarest ones in a cozy aquarium you can relax with in the background.
Why similar: Underwater 25.7% ★, Cozy 20.5%, Creature Collector 20.2%, Idler 13.1%, Incremental 11.3%
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!
Why similar: Cozy 15.5%, Creature Collector 15.3%, Capitalism 11.3%, Idler 10.7%, Underwater 9.7% ★
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.
Why similar: Underwater 26.7% ★, Cozy 21.8%, Utilities 21.1% ★, Incremental 8%, Sandbox 5.2%
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!
Why similar: Creature Collector 22.8%, Idler 14.6%, Cozy 14.5%, Incremental 12.3%, Capitalism 10.3%
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!
Why similar: Creature Collector 23.9%, Underwater 23% ★, Idler 15.9%, Sandbox 10.4%, Fishing 10.1% ★
Flutterfield is a cozy and relaxing idle game. Buy butterflies and raise them in real time, or catch fully grown ones yourself. Unlock, upgrade, and customize habitats while filling your collection with real-life butterfly species!
Why similar: Creature Collector 25.5%, Idler 17%, Cozy 11.9%, Economy 11.8%, Capitalism 8.9%
A Good Day Fishing is a gamified focus tool where you catch fish while completing real-life tasks. Reel in and record new species, decorate your favorite cozy fishing spot, and customize your soundscape to create a custom vibe to help you relax and boost concentration.
Why similar: Cozy 22.6%, Utilities 22.5% ★, Creature Collector 16.3%, Idler 12.7%, Fishing 11.1% ★
An idle pet-collecting clicker game that keeps you company at the bottom of your screen. Click your egg to help it hatch. Grow your collection of pets to unlock upgrades and rarer eggs. Relax to chill Lofi music while you play at your own pace. Will you hatch the shiny variant of each pet?
Why similar: Creature Collector 20%, Idler 15.5%, Incremental 14.4%, Economy 9.2%, Cozy 8.7%
"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.
Why similar: Underwater 18.3% ★, Creature Collector 16.4%, Cozy 16.2%, Utilities 13.4% ★, Idler 11.3%
Watch a tiny diver explore the ocean in the corner of your screen. Collect sea creatures, upgrade equipment, and unlock new diving spots.
Why similar: Underwater 23.2% ★, Creature Collector 18.3%, Cozy 14.8%, Idler 12.4%, Incremental 11.9%
A relaxed and cozy game with an underwater ocean setting. Collect bubbles and pearls to unlock more and more marine creatures and watch them swim, listen to chill Lo-Fi music and create playlists, and if you want, use a built-in timer and a task organizer for your study sessions.
Why similar: Utilities 27.9% ★, Idler 14.3%, Underwater 13.7% ★, Incremental 12.9%, Simulation 9.4%
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!
Why similar: Underwater 30.1% ★, Creature Collector 22%, Idler 16.1%, Incremental 12.5%, Cute 3.9%
A relaxing mini aquarium that stays on your desktop corner while you do other stuff — collect fish, upgrade tanks, and enjoy a cozy idle experience.
Why similar: Cozy 29.2%, Idler 16.9%, Fishing 13.7% ★, Incremental 9.8%, Creature Collector 9.3%
Cast n Chill is a relaxing fishing game where you explore serene lakes, rivers, and oceans. Catch rare fish, upgrade your gear and reel in legendary catches - all with your loyal companion by your side.
Why similar: Cozy 18.6%, Underwater 17.3% ★, Creature Collector 16.9%, Idler 12.2%, Fishing 10.7% ★
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.
Why similar: Underwater 25.9% ★, Idler 15.7%, Creature Collector 14.5%, Incremental 12.8%, Sandbox 10.1%
Build and customize your own arcane aquarium in this cozy collection/idler game. Use your magic to summon juvenile cute creepy fish. Tend to them and watch them grow. Make discoveries, expand your collection, decorate your tanks with art and plants.
Why similar: Cozy 30.5%, Creature Collector 23.9%, Idler 15.9%, Underwater 10.6% ★, Fishing 6% ★
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!
Why similar: Cozy 19.8%, Creature Collector 18.1%, Idler 13.3%, Capitalism 12.6%, Incremental 11.3%
An idle game about collecting moths.
Why similar: Creature Collector 29.7%, Idler 19.5%, Capitalism 9%, Economy 8.4%, Incremental 8.3%
Welcome to the Isle of Lost Bees, a cozy idle game where you and your collection of Australian bees harvest pollen, research flowers, and uncover the island’s secrets. You're a bee-obsessed researcher on an island devoid of humans. You never seemed to need human contact anyway.
Why similar: Cozy 27%, Creature Collector 22%, Incremental 16.9%, Idler 14.4%, Simulation 4.4%
Hatch and raise adorable ghosts that live on your desktop. Keep your ghosts happy as they press a button to generate currency in exchange for food, toys, accessories and even new islands. Collect every ghost and build the cutest, spookiest ghost family!
Why similar: Utilities 30.3% ★, Idler 16.5%, Incremental 14.4%, Creature Collector 10.5%, Cozy 9.4%
Buy sharks, raise them, and sell them for profit, or take control of any shark to hunt fish yourself. Collect 150+ real-world species from dwarf lanternsharks to great whites. Spot rare albinos.
Why similar: Creature Collector 24.8%, Idler 17%, Incremental 15.8%, Underwater 14.1% ★, Cozy 11.6%
Welcome to Mermeows: Chill Cat Mermaids – where every splash brings a smile! In this enchanting idle clicker creature collection game, traverse hand-drawn lakes, hatch unique Mermeows, and upgrade serene habitats. Collect pearls and let magical currents carry you into a world of calm strategy.
Why similar: Creature Collector 28.3%, Underwater 23.4% ★, Idler 15.8%, Incremental 10.2%, Economy 7.2%
Relax and collect over 500 unique molluscs in this cozy idle game. Watch larvae grow into stunning adults in real-time, customize vibrant aquatic habitats across 9 themed packs, and discover rare species from garden snails to deep-sea cephalopods.
Why similar: Underwater 19.5% ★, Cozy 18.9%, Creature Collector 18.6%, Idler 12.6%, Incremental 8.5%
Welcome To The Crater! It's been 100 years of drought, but water has returned and with it a flourishing of new life to find! Discover new creatures, customize your aquarium to perfection, and collect them all! Fish right on your desktop with passthrough or enjoy the scenic views of The Crater!
Why similar: Underwater 22.3% ★, Creature Collector 17.4%, Idler 12%, Fishing 10.7% ★, Incremental 9.5%
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.
Why similar: Underwater 27.4% ★, Cozy 19.1%, Creature Collector 14.9%, Fishing 12% ★, Idler 10.2%
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.
Why similar: Underwater 27.5% ★, Creature Collector 19.1%, Idler 14.3%, Economy 9.6%, Fishing 9% ★
A cozy desktop idle game where cute slimes bounce around your tiny farm while you work or study.
Why similar: Creature Collector 24.1%, Idler 17.9%, Incremental 13%, Cozy 11.5%, Pixel Graphics 6.7%
Whimsy Koi is a cozy idle game where you manage calming koi ponds. Collect various whimsical koi fish and decorate your ponds however you want. Just relax and enjoy the tranquil experience.
Why similar: Cozy 21%, Creature Collector 19.9%, Idler 14.6%, Incremental 11.3%, Capitalism 10.4%
A cozy idle aquarium overlay that brings your desktop to life with pixel-art fish. You can hatch, breed, and collect fishes in thousands of genetic combinations. Dress them up with accessories, watch them grow from eggs to adults, and unlock playful upgrades through a skill tree.
Why similar: Underwater 19.3% ★, Utilities 17.4% ★, Creature Collector 15%, Idler 10.5%, Incremental 9.2%
"Fishful Days" is a casual idle game. you can buy fish fry and let them grow in the background; once they reach adulthood, they will continuously produce fish for you! You can also buy multiple fish tanks to achieve snowballing growth. It also offers rich fish tank customization features.
Why similar: Underwater 22.2% ★, Idler 21.9%, Creature Collector 9.3%, Simulation 8.6%, Casual 8.1%
An interactive and cozy raccoon fueled trash digging game for your Twitch viewers. Viewers can dig through your garbage with commands, subs, gift subs, and bit donations. Ideal for keeping chat engaged during content that requires extra attention, or while on long breaks.
Why similar: Utilities 24.2% ★, Creature Collector 21.7%, Idler 17.3%, Fishing 11.4% ★, Cozy 5.7%
An idle desktop game about managing a tiny train station. Collect cute visitors by decorating your platform.
Why similar: Cozy 20.9%, Creature Collector 17.5%, Idler 15.8%, Utilities 13.8% ★, Incremental 9.8%
Take to the seas on your little boat and catch some fish in this 2D cozy fishing experience! Explore the drizzly coastline, upgrade your boat, and bring home the big one! How many fish can you catch?
Why similar: Underwater 30% ★, Cozy 25.5%, Fishing 14.1% ★, Creature Collector 11.1%, Simulation 6.2%
Pupple Pop is an incremental game where you pop bubbles to earn money. Buy bigger and better bubbles, unlock upgrades and hire fish helpers to automate the process and take care of all the busy popping work for you. Simple. Satisfying.
Why similar: Underwater 27.4% ★, Incremental 18.5%, Idler 18.5%, Economy 13.8%, Casual 5.8%
The public aquarium simulator. Design your displays, look after your fish, manage your staff and keep your guests happy! It's all in a day's work as the curator of your very own Megaquarium.
Why similar: Underwater 29.8% ★, Creature Collector 19.9%, Sandbox 10%, Economy 6.4%, Fishing 6.3% ★
Summon the mighty power of gods in this fun incremental game about chopping down trees on a secluded island by using the forces of nature: earthquakes, sunbeams, tornadoes, hail, lightning strikes and tidal waves! It's Chopping Time!
Why similar: Idler 21.2%, Incremental 18.3%, Cozy 16.6%, Capitalism 9.9%, Economy 6.8%
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!
Why similar: Cozy 21.6%, Creature Collector 19.8%, Idler 13.7%, Capitalism 11.7%, Incremental 9.4%
A cozy idle fishing game that lives on your desktop. Cast your line, catch fish of every rarity and grade, and track your collection in the journal. Invite up to 3 friends to fish together on a shared dock. No clicking, no pressure — just chill vibes while you work or play.
Why similar: Cozy 26.6%, Idler 20.1%, Creature Collector 16.7%, Fishing 15.1% ★, Simulation 5.8%
A cozy incremental where you choose how your bees evolve, plant flowers, guide your hive, and grow a thriving honey empire.
Why similar: Cozy 25.6%, Idler 18.7%, Incremental 14.7%, Economy 9.9%, Simulation 5.2%
5 minutes to get started, play anytime! This is a relaxing fishing-themed incremental game. You will join the Cat Captains to explore global fishing grounds, catch fish, and collect resources. Every rewarding voyage will have you shouting, "One more round!"
Why similar: Underwater 17.6% ★, Incremental 17.5%, Capitalism 13.5%, Fishing 9.9% ★, Cozy 8.6%
A cozy idle aquarium game: collect, breed, and sell fish, shape your tank with decorations, grow your economy, and relax while your fish earn for you.
Why similar: Creature Collector 27%, Idler 17.9%, Underwater 14.5% ★, Simulation 11.7%, Economy 9.7%
A chill idle pixel-art drawing desktop toy that sits on your screen. Watch mini penguins stack pixel blocks into tiny pixel arts that you design.
Why similar: Utilities 27.2% ★, Cozy 19.8%, Idler 18.3%, Simulation 7.9%, Incremental 7.1%
An aquarium sim you can keep anywhere on your screen while you do other things. Buy endless upgrades, apply trait modifiers, and complete your collection of rare, epic and legendary fish! Buy today or give a gift to someone!
Why similar: Underwater 20.2% ★, Cozy 18.8%, Creature Collector 17.7%, Idler 13.2%, Capitalism 10.8%
Work with your pet on the desktop, play with your friends in-game! Weyrdlets is a desktop pet game that blends productivity and play! Customize your pets and homes, hang out with friends, enjoy minigames, and let your pets keep you company on your desktop while you work or study through the day!
Why similar: Cozy 20.9%, Utilities 20.4% ★, Creature Collector 17.3%, Idler 13.4%, Fishing 10% ★
Idlemon is an idle desktop monster tamer. Played on the side of your screen, your monster will gain experience and collect monster eggs. Upgrade your stats, purchase and collect cards, used to decorate your island.
Why similar: Cozy 27.5%, Idler 21.8%, Creature Collector 15.3%, Incremental 15.2%, Cute 5%
This idle clicker demands you battle for every catch, from small fry to mighty bosses. Arm yourself with diverse weapons; unlock powerful skills and constant upgrades to complete your massive fish collection.
Why similar: Creature Collector 18.5%, Underwater 18.2% ★, Cozy 16.7%, Fishing 12.8% ★, Economy 8.6%
In this casual idle simulator, you take care of charming pixel-art fish, collect coins to buy decorations that provide uniques bonusses, and create your dream Pixel Aquarium!
Why similar: Idler 19.8%, Underwater 17% ★, Fishing 13.7% ★, Cozy 10.7%, Creature Collector 7.6%
Bottom Dwellers is a cozy little aquarium that sits at the bottom of your screen. Collect and grow different fishes, discover shrimps and decorate your tank while you work or play on your PC.
Why similar: Creature Collector 33.5%, Underwater 22.6% ★, Fishing 13.6% ★, Simulation 8.5%, Resource Management 6.3%
Gachamon is a cozy idle clicker where gacha meets multitasking. Collect creatures, earn coins, and climb the ranks — all from the bottom of your screen!
Why similar: Cozy 21.2%, Creature Collector 20.3%, Idler 14.5%, Incremental 12.4%, Capitalism 11.6%
Pond Keeper is a cozy game where you breed, sell and collect colourful fish. Take over a neglected aquatic world and transform it into a thriving paradise! Unlock new biomes, decorate your ponds, discover new species and watch your natural sanctuary flourish.
Why similar: Underwater 21.8% ★, Creature Collector 21.5%, Cozy 12.4%, Fishing 10.7% ★, Incremental 9.7%
"Under the blue horizon - Aquarium" is a game for those who want to enjoy watching fish. Observe fish in the sea and in aquariums. Discover more types of special fish. Enjoy it while working, relax, or clear your mind.
Why similar: Underwater 45.7% ★, Idler 18.6%, Incremental 8.4%, Sandbox 7.4%, Pixel Graphics 6.7%