Top similar games like Molluscarium:

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.

An idle game about collecting moths.

Relax and collect hundreds of unique frogs and salamanders in this cozy idle game. Watch tadpoles undergo metamorphosis in real-time, customize lush terrariums, and discover rare species. Let your vivarium thrive in the background while you work or study. Start your collection today!

Relax and collect hundreds of unique butterflies and moths in this cozy idle game. Watch caterpillars transform from larva to chrysalis to winged beauty, customize lush greenhouses, and discover rare species from monarchs to atlas moths.

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!

Aviarium is a relaxing sky sanctuary simulation filled with cute birds. Manage your floating aviary with click and idle mechanics, collect resources, and enjoy a pleasant experience in a colorful and peaceful world above the clouds.

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!

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.

Relax and collect hundreds of unique reptiles in this cozy idle game. Watch eggs hatch and babies grow in real-time, customize stunning terrariums, and discover rare species from geckos to chameleons.

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?

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.

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

"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. 

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.

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!

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!

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.

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.

Watch and play with quirky critters as they generate loads of money for you in a unique idler/creature collector hybrid.

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.

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).

Nimikins is a cozy idle gacha game with zero microtransactions. Collect adorable Nimikins and discover rare, shimmering color variations as you reunite them with their goddess, Aerie. Craft accessories to grow their strength and express your unique personality.

A short incremental game about feeding a swarm of hungry gnats. Guide your bugs to the fruit, and unlock upgrades to grow your pack of buzzing buddies one bite at a time.

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.

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!

🦕 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?

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.

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!

Cats are Money is a cozy idle game in the "Tamagotchi" genre where you manage a farm and collect unique cats into your collection. Take care of your pets, feed them, and play with them. Upgrade your farm, unlock new breeds and businesses.

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.

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.

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!

Meet your new hardworking neighbors at the table! Watch the bees buzz, dance, and collect pollen from the flowers while you work or relax. Plant bright flowers, upgrade the hive and enjoy the picturesque meadow in this small world on your screen.

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.

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!

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.