ARC Aquarium
Buy fish as eggs, raise them in real time, and sell them for profit. Breed your favorites, build a tank that earns through decorations, and complete a collection of 250 species.
The top results based on the latest update are Sharkarama [Score: 1.4], Nanoquarium [Score: 1.3] and Aquarium Days [Score: 1.3] The top rated games you can find here are Chillquarium [SteamPeek Rating: 8.0] ranked #4, Joyquarium [SteamPeek Rating: 5.5] ranked #8 and Time Is Honey [SteamPeek Rating: 5.0] ranked #27 Also don't forget to check the newest releases Molluscarium [Release date: 2026-09-02] ranked #26, Mothiary [Release date: 2026-07-27] ranked #5 and Reefling: A Cozy Desktop Aquarium [Release date: 2026-07-22] ranked #16 While it is tempting to play with the newest and the best, there might be some other gems in the results, like Time Is Honey [SteamPeek Rating: 5.0] ranked #27,.
Buy fish as eggs, raise them in real time, and sell them for profit. Breed your favorites, build a tank that earns through decorations, and complete a collection of 250 species.
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.
A whisper-quiet aquarium that lives in the corner of your screen. Collect 200+ real-world fish across tropical, coldwater and reef tanks, breed them for rare strains, run a whole fishroom, and let the tank tick over while you work. No pressure, no fail state — just your fish, drifting.
Aquarium Days is a cozy fish-collecting game with 60 adorable species, 117 appearances, and 18 aquarium scenes. Keep your aquarium in a small window on your desktop, or set it as an animated wallpaper.
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!
An idle game about collecting moths.
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!
Ribbit Ranch is a cozy idle simulation game for casual play. Collect over 200 million types of frogs, raise them in real time, and sell them for profit. Customize habitats with decorations, rare species, and ultra-rare special frogs.
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).
A relaxing idle-aquarium garden simulator that sits at the bottom of your screen while you do other things.
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.
Pack a Plush! is a cozy collection game where you buy batches of adorable plushies, organize them into displays, and build valuable collections. Discover legendary plushies, fulfill requests, and create a collection that's uniquely yours.
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
Relax and collect over 500 unique mammals in this cozy idle game. Watch babies grow into magnificent adults in real-time, customize warm woodland habitats across 9 themed packs, and discover rare species from tiny shrews to great whales.
Breed your creatures to discover new genes to collect. Complete orders for your customers and decorate your ponds to earn the money and reputation needed to travel to new biomes. Restore a neglected aquatic world into a thriving paradise!
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.
Reefling is a calm desktop aquarium that sits in the corner of your screen. Feed your fish with a click, earn shells over time, and collect over 150 pixel-art species. Decorate the tank and watch day turn to night. Your fish never starve and you can't lose, so just relax while you work.
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?
🦕 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?
Cast into peaceful waters, guide your lure beneath the surface, and reel in fish of every size in FishyFox! Experiment with different bait and equipment, discover new species, chase trophy catches, and fill your personal aquarium in this cozy fishing adventure.
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.
Stingray Sanctuary is a cozy, relaxing idle game. Hatch stingray eggs, raise your rays in real time, sell them for profit or retire your favorites to paradise. Build a self-sustaining ecosystem that earns money on its own, buy upgrades, and watch your sanctuary thrive while you're away.
Wing Haven is a relaxing idle game about building cozy bird sanctuaries. Collect rare and exotic feathered friends, give them plant shelter, and watch them grow in real-time! Progress from a basic enclosure to a beautiful nature preserve in old-growth forest, desert oasis, or wetland climates!
Make some lemonade and set sail in this cozy fishing incremental game. Catch weird fish across colorful locations, upgrade your gear, rebuild Starlight Cove back to its former glory, and defeat the evil shark that stole your grandfather's greatest treasure years ago.
Join a family of bears and run the buzziest little honey farm! Collect and discover rare bees, bottle honey jars, expand your farm, and watch your flowery field bloom in this cozy idle management game.
Turn this desert planet into a lush green habitat! Find seeds, manage water, and improve the soil levels. Sadly, you were sent on this mission with woefully insufficient equipment, so you will have to harness the most potent resource on the planet: a flowery species of sheep, and their poop.
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.
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.
The future is chaos - frog attacks everywhere! You're a frog farmer in Potato Pioneer Town, build pond setups to attract different ugly frogs, then snatch them up in your bucket - Yoink! Toss your catches into tanks, fatten them up, and sell for big bucks.
Cut through dense fields of weeds, collect valuable resources, and turn small upgrades into explosive growth. Improve your equipment, automate harvesting, face changing weather, ascend for permanent power, and complete the upgrade tree to reach the final garden.
Relax and collect over 500 unique dinosaurs in this cozy idle game. Watch hatchlings grow into towering giants in real-time, customize prehistoric habitats across 9 themed packs, and discover rare species from tiny raptors to mighty sauropods.
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.
A cozy multiplayer rubber duck pool sim. Join a shared online pool, float your ducks, and click fast to claim Sky Drops as they fall. Collect named rubber ducks across five rarity tiers and grow your codex.
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.
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!
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.
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.
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