- #1 Kraken Cleaning
97% matchVery Positive88% of 75 reviews2026
Dev: Luka Works
Windows · Mac · Linux
A cozy incremental game where you play as a Kraken wielding abyssal powers to clean the ocean.
Why similar: Idler 18.7%, Underwater 17.7% ★, Incremental 14.7%, Hand-drawn 7.2%, Economy 6.9%
- #2 星星水族馆~Star Aquarium
96% match3 user reviews67% of 3 reviews2025
Dev: Moedraw
Windows
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: Creature Collector 29.7%, Underwater 22% ★, Idler 18.6%, Incremental 12.5%, Relaxing 5.5%
- #3 Mothiary
96% matchNo user reviews
Dev: Denver
Windows · Mac · Linux
An idle game about collecting moths.
Why similar: Creature Collector 39.4%, Idler 22.1%, Relaxing 8.4%, Incremental 8.2%, Economy 7%
- #4 Tiny Egg Clicker
95% matchNo user reviews
Dev: Luisak & RaMS
Windows
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 28.3%, Idler 18.9%, Incremental 15.2%, Economy 8.2%, Cute 6.9%
- #5 Aquanima
94% matchPositive91% of 34 reviews2025
Dev: 2Gamestudio
Windows
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: Creature Collector 29.4%, Underwater 20.2% ★, Idler 16.4%, Incremental 12.2%, Relaxing 5.6%
- #6 Fishlets
94% matchPositive89% of 37 reviews2024
Dev: Pixlin
Windows
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: Creature Collector 28.4%, Idler 18.5%, Underwater 17.3% ★, Incremental 12.1%, Economy 7%
- #7 Lunar Farer: Little Flickers
93% matchNo user reviews
Dev: StarvdevGames
Windows
A collection of idle games that sit at the bottom of your screen, different adventures and companions await in the universe of Lunar Farer, where you will see glimpses of it while while you work or relax.
Why similar: Creature Collector 39.5%, Idler 22.4%, Incremental 15.1%, Casual 7.6%, Resource Management 5.9%
- #8 Tiny Dino
92% matchMostly Positive74% of 50 reviews2025
Dev: Pixfox
Windows
TINY DINO is an idle nurturing game where little dinosaurs accompany you at the bottom of your screen while you work or study. They produce gems for you to earn profits, and you can plant trees and build structures to create a free and lively world for them, growing together with you.
Why similar: Creature Collector 48.7%, Idler 26.3%, Relaxing 9.6%, Cute 8.9%, Casual 5.5%
- #9 Koimori
91% matchNo user reviews2026
Dev: Aurélien Dos Santos
Windows · Mac
Turn your desktop into a living pond with this peaceful idle overlay. Let koi drift around while you work or relax, drop snacks to see them gather, and unlock rare koi patterns as you spend more time with your little friends.
Why similar: Creature Collector 37%, Idler 20.1%, Incremental 13.6%, Management 6.8%, Relaxing 4.7%
- #10 Sharkarama
91% matchNo user reviews
Dev: Threeclipse
Windows
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 34%, Idler 19.9%, Incremental 16.1%, Underwater 10.4% ★, Cute 5.7%
- #11 Cats Are Money
89% matchVery Positive93% of 122 reviews2025
Dev: DеM Games
Windows
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.
Why similar: Creature Collector 25.2%, Idler 15%, Cats 10.7%, Incremental 8.6%, Economy 8.2%
- #12 Meowmewbug
90% matchPositive95% of 19 reviews2024
Dev: BitBit Official
Windows
" Meowmewbug" is a relaxing and stress-relieving idle game. Tap on the magic circle to summon unique meowmewbugs, collect the paw balls they drop, unlock more styles of scenes, fun features, classic mini-games, and summon even more meowmewbugs. Come and spend the best day with the meowmewbugs!
Why similar: Creature Collector 37.2%, Idler 25.8%, Incremental 15.2%, Relaxing 5.7%, Cute 5.2%
- #13 Aquanore
89% match3 user reviews100% of 3 reviews2026
Dev: Elerium Studios
Windows
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 34.9%, Idler 19.8%, Underwater 10.1% ★, Economy 7.9%, Casual 6.5%
- #14 Easy Bubbles
88% matchPositive92% of 35 reviews2025
Dev: PiqFocus Interactive
Windows
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: Creature Collector 26.7%, Underwater 17.4% ★, Idler 15.5%, Incremental 10.5%, Relaxing 6.2%
- #15 Chopikoji Gardens
87% matchNo user reviews
Dev: Moleman Studios
Windows · Mac · Linux
Chopikoji Gardens is a relaxing creature collector where you can create art, enter contests, and play mini-games with your Chopikojis to earn money and level up your collection, or just sit back and let them do all the hard work for you!
Why similar: Creature Collector 39.8%, Idler 20.2%, Incremental 15.6%, Relaxing 5.8%, Cute 4.7%
- #16 Pupple Pop
86% matchVery Positive87% of 102 reviews2026
Dev: GrindWill LabsPub: Rock Paper Publisher
Windows
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: Idler 21%, Underwater 19.7% ★, Incremental 18.3%, Economy 11.5%, Management 7.2%
- #17 Flutterfield
86% matchNo user reviews
Dev: Onyx Feather Studios
Windows
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 38.4%, Idler 21.9%, Economy 11.1%, Relaxing 8.3%, Incremental 8.1%
- #18 Work...Or Fish?
85% matchNo user reviews
Dev: 鱼腥味工作室
Windows
“Work... or Fish?” is a cozy idle fishing game that runs on your desktop. The cat took a long vacation to enjoy peaceful fishing—will you join? Shrink the window to fish in secret, upgrade gear, and relax in your own little corner.
Why similar: Creature Collector 28.1%, Idler 23.7%, Cats 16.3%, Relaxing 7.6%, Casual 5.7%
- #19 The Isle of Lost Bees
84% matchNo user reviews
Dev: Triple Bee Games
Windows
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: Creature Collector 30.5%, Idler 17%, Incremental 16.1%, Relaxing 8.3%, Hand-drawn 7.6%
- #20 Quack & Hatch
83% match1 user reviews100% of 1 reviews2026
Dev: Pedro AnjosPub: Pixel Purrfect
Windows
Breed, hatch, and level up ducks of all rarities on your incremental duck farm! Make your ducks work for food to level them up to unlock rarer breeds with unique traits. Can you hatch the rarest ducks? Start farming now!
Why similar: Creature Collector 39.9%, Idler 23.1%, Relaxing 8.9%, Resource Management 6.3%, Management 5.8%
- #21 Little Fish Swims On
84% matchPositive100% of 17 reviews2024
Dev: DeepSeaStudio
Windows
Little Fish Swims is a relaxing and enjoyable idle game with a casual simulated fish tank located at the top of the screen. There are over a thousand types of fish in the game, and you can customize your own fish tank and background skin style.
Why similar: Creature Collector 43.2%, Idler 28.8%, Relaxing 10%, Incremental 9.8%, Casual 6.6%
- #22 Bugtopia
82% matchVery Positive93% of 972 reviews2025
Dev: Nocturnal GamesPub: GCORES PUBLISHING
Windows
Median: 10.6 hrsMean: 39.3 hrs≥1hr: 90%
300+ lifelike bugs to collect and grow—breed them to unlock rare species! Customize your terrarium with 300+ landscaping items and 70+ backgrounds. A tiny, soothing nature escape on your screen!🦋🐌🦗🐝🐞🐛🦐
Why similar: Creature Collector 30%, Idler 19.9%, Incremental 13.8%, Economy 9%, Management 6.4%
- #23 Idlequarium
82% matchMixed69% of 225 reviews2025
Dev: NutsXPub: Gamersky Games
Windows
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: Creature Collector 26.7%, Underwater 20.7% ★, Idler 17.1%, Economy 8.4%, Incremental 8.2%
- #24 Isles of Isvenness
81% match1 user reviews0% of 1 reviews2025
Dev: Kazumi Games Inc.
Windows
A cozy creature-collecting idle game featuring vibrantly handcrafted islands that are freely movable on your screen. Harness elemental aether, grow your creature collection, complete missions, and achieve progression milestones at your own pace for a relaxing and rewarding gameplay experience.
Why similar: Creature Collector 47.5%, Idler 25.4%, Relaxing 9.8%, Casual 6.4%, Cute 5.9%
- #25 Fish-Click Squad!
81% matchPositive92% of 37 reviews2025
Dev: Cool Car Studio
Windows
Fish-Click Squad! is a casual multiplayer idler where you purchase various aquatic creatures and nurture them to maturity with your friends through clicking and touching earning coins and rewards to unlock more fish and idle features! There is nothing happier than slacking with friends!
Why similar: Creature Collector 33.5%, Underwater 20.2% ★, Idler 17.4%, Incremental 13.3%, Relaxing 6.1%
- #26 Lootimals
80% matchMostly Negative37% of 38 reviews2025
Dev: Lootimals
Windows
Lootimals is a chill idle pet collection game where you hatch surprise eggs every 30 minutes. Discover uniquely named creatures across rarity tiers, unlock backgrounds and egg skins, complete collections, and trade in extras for missing pets. No combat, no pressure — just pure collecting bliss.
Why similar: Creature Collector 36.6%, Idler 20.6%, Incremental 17.4%, Casual 8.1%, Economy 7.3%
- #27 Critter Caboodle
79% matchNo user reviews
Dev: Mike Mend
Windows
Watch and play with quirky critters as they generate loads of money for you in a unique idler/creature collector hybrid.
Why similar: Creature Collector 34.5%, Idler 20.2%, Incremental 10.2%, Relaxing 8.2%, Economy 7.4%
- #28 Fantasy Bird Woods
78% matchNo user reviews2026
Dev: SouthBoat Games
Windows
Fantasy Bird Woods is a desktop idle game. Observe and guide mystical birds on the right side of your screen. They evolve alongside your work or study without window-switching. Enjoy light interaction and a sense of companionship during breaks with these evolving digital pets.
Why similar: Creature Collector 37.9%, Idler 25.2%, Incremental 20.6%, Relaxing 8.2%, Casual 5.5%
- #29 Machorium -Muscle Aquarium Simulator-
79% matchVery Positive90% of 73 reviews2024
Dev: NEOLAVIPub: indiegamesjapan
Windows
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: Creature Collector 22.2%, Underwater 21.4% ★, Idler 20.6%, Incremental 14.6%, Relaxing 6.4%
- #30 Fishing Tales: Neko's Journey
78% matchNo user reviews2026
Dev: AaronPub: TeamMingo
Windows · Mac
A relaxing idle fishing game focused on companionship, featuring 26 fishing spots and over 200 fish species. Easy to enjoy without much effort. You can place the game anywhere on your screen while studying or working, without it intruding on your tasks.
Why similar: Creature Collector 39.4%, Idler 25.7%, Cats 11.6%, Casual 8%, Relaxing 6.7%
- #31 Fortunegg: Species Revival
77% match1 user reviews0% of 1 reviews2026
Dev: Twisted Games
Windows · Linux
A one-button game where failure is progress, inaction is a choice, and luck is never entirely fair. Discover every egg, stage, secret, and animal while putting your fortune to the test. It’s a piece of cakegg!
Why similar: Creature Collector 36.6%, Incremental 17.3%, Hand-drawn 7.9%, Funny 7.8%, Cute 7%
- #32 Feed Fred
77% matchNo user reviews
Dev: 9000 Games
Windows · Mac
A Fred has landed on the farm, and he is hungry. Grow Food, break it into bite-sized chunks, feed him, clean up after him, and spend the payouts on Growers, Friends, tools, upgrades, and the strange little economy forming around Fred.
Why similar: Creature Collector 27.8%, Idler 19.5%, Incremental 15.9%, Economy 10.2%, Resource Management 5.9%
- #33 Chirpology
76% matchNo user reviews
Dev: Sawbird Studio
Windows
Collect and breed adorable birds in this pencil-drawn 2D casual idle game! Watch them take leisurely strolls and play on slides in your yard. Purchase furniture, unlock a rich bird encyclopedia, and build a cozy home for you and your feathered friends.
Why similar: Creature Collector 44.5%, Idler 30.2%, Cute 11.8%, Casual 11.5%, Singleplayer 2%
- #34 Working Class Monsters
76% matchNo user reviews2026
Dev: HaggisBytes
Windows
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: Creature Collector 31.3%, Idler 18%, Incremental 14.6%, Economy 8.1%, Relaxing 6.3%
- #35 Screen Fish:Desk Water World
75% matchNo user reviews
Dev: xisongGame
Windows
Feeling Exhausted? Turn your desktop into a cute cartoon water world. Collect and raise lovely fish, decorate with corals and shells. Feed and play with them easily. Relaxing idle game, they grow in the background. A warm digital haven to ease your stress and tiredness.
Why similar: Creature Collector 34.5%, Idler 22.6%, Underwater 15.1% ★, Incremental 14.1%, Cute 4.5%
- #36 Joyquarium
74% matchVery Positive91% of 550 reviews2025
Dev: Easyfun StudioPub: Gamersky Games
Windows
Median: 15.0 hrsMean: 41.2 hrs≥1hr: 86%
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: Creature Collector 26.7%, Underwater 17.2% ★, Idler 15.8%, Incremental 10.2%, Economy 8.5%
- #37 Hashie
75% match1 user reviews100% of 1 reviews2025
Dev: Stone Coyote Games
Windows
In Hashie, you get to care for a weird, hand-drawn alien hash blob.
Why similar: Creature Collector 47.1%, Idler 25.1%, Hand-drawn 11.4%, Relaxing 4.8%, Casual 4.5%
- #38 We Love Fish Tanks
73% matchPositive92% of 13 reviews2025
Dev: Bondio.li
Windows · Mac · Linux
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 38.6%, Idler 22.1%, Underwater 20.1% ★, Relaxing 7.2%, Cute 6.5%
- #39 Work Beasts
73% matchNo user reviews
Dev: Canary Cartel
Windows · Mac · Linux
Manage your workforce of mystical work beasts! Increase your team productivity in order to complete the most difficult jobs and earn lots of money, after all, the government won't leave you alone if you don't pay your taxes. Oh, don't forget to give your employers a coffee sometimes.
Why similar: Creature Collector 38.7%, Idler 24.7%, Funny 9.9%, Management 7.1%, Casual 5.2%
- #40 Idle Kitties Online
74% matchMostly Positive77% of 190 reviews2024
Dev: White Box
Windows
Welcome to Idle Kitties Online! This is a free game with relaxing gameplay where you can collect cute kitties alone or with friends.
Why similar: Creature Collector 28.4%, Idler 20.1%, Cats 14.4%, Incremental 10.9%, Relaxing 6.7%
- #41 Fishful Days
72% matchNo user reviews2026
Dev: COSMICDUST STUDIO
Windows · Mac
"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: Idler 24.4%, Underwater 23.2% ★, Creature Collector 14.6%, Relaxing 8.1%, Cute 7%
- #42 Fantasy Aquarium
72% matchMostly Positive79% of 906 reviews2024
Dev: MOON SCAPEPub: Gamersky Games
Windows
Median: 7.5 hrsMean: 44.0 hrs≥1hr: 82%
Fantasy Aquarium offers an effortless way to enhance your gaming experience. You can nurture a diverse range of small fish with unique characteristics and construct a vibrant fantasy world from scratch, transforming mundane fish-keeping into an engaging pursuit.
Why similar: Creature Collector 26.6%, Idler 19%, Incremental 13.1%, Underwater 12.4% ★, Relaxing 7.7%
- #43 Pet Sanctuary
71% matchNo user reviews
Dev: Nick F
Windows
Pet Sanctuary is a relaxing game where you take care of your pets. From feeding them fruit to choosing a favorite outfit, you take care of and nature your chosen pet in this bright and joyful world. Plus, with mini games like Snake and Memory Mountain, you can earn rewards that your pet will love.
Why similar: Creature Collector 42.8%, Idler 23.8%, Cats 12.4%, Cute 10.3%, Casual 9.9%
- #44 AquaFantasia
73% matchMostly Positive79% of 24 reviews2024
Dev: SunnyCitrus
Windows
AquaFantasia is an engaging and soothing idle game. Begin your aquatic adventure by purchasing a variety of small fry, raise and sell them. You can customize fantasy oceans with rare fishes to create your own aquarium.
Why similar: Creature Collector 32.4%, Underwater 19.1% ★, Idler 17.9%, Economy 10.1%, Relaxing 7.6%
- #45 Croakoloco
71% matchVery Positive92% of 519 reviews2024
Dev: Ryan Forrester
Windows
Median: 4.4 hrsMean: 32.8 hrs≥1hr: 76%
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 37.7%, Idler 20.7%, Incremental 15.1%, Cute 5.3%, Resource Management 5.1%
- #46 Cozy Dive
71% matchNo user reviews
Dev: Cuddle Code
Windows
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: Creature Collector 29.9%, Underwater 20.5% ★, Idler 17.3%, Incremental 14.5%, Relaxing 5.5%
- #47 Angler's Journey
70% matchNo user reviews
Dev: VericDev
Windows
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 27%, Underwater 18.1% ★, Idler 16%, Incremental 11.4%, Economy 8.7%
- #48 Type Hatcher
69% matchNo user reviews2026
Dev: Lampscale
Windows
Type Hatcher turns your typing into music. Every keystroke hatches eggs and plays a note from your party of pets. Dock them to a slim bar on the edge of your screen so they sing, shimmer, and grow while you work in any other app.
Why similar: Creature Collector 38.6%, Idler 28.9%, Incremental 15.7%, Cute 5.8%, Casual 5.2%
- #49 Animal Workforce: Idle Tycoon Clicker
70% matchMixed67% of 12 reviews2024
Dev: PixelTapStudio
Windows
Animal Workforce: Idle Tycoon Clicker is a simple and laid-back game that’s easy to jump into. Perfect for casual play, it lets you unwind and progress at your own pace, all while collecting rewards and achieving upgrades. There are also plenty of easily obtained Steam Achievements!
Why similar: Creature Collector 26%, Idler 19.4%, Incremental 14.3%, Cats 9.8%, Resource Management 6.1%
- #50 Vquarium
69% matchNo user reviews2026
Dev: Pete Karesisto
Windows
Vquarium is a relaxing incremental-idle game where you grow your own underwater world on your screen overlay with a virtual assistant. Collect rare fish, discover sparkling variants, and decorate your tank while taking care of an adorable assistant!
Why similar: Creature Collector 28.8%, Underwater 19.5% ★, Idler 16.8%, Incremental 12%, Relaxing 6.1%
- #51 Goobers
68% match3 user reviews100% of 3 reviews2026
Dev: Marzipug
Windows
An idle creature collector game. From common garden-dwellers to elusive, legendary spirits, every Goober is unique. Can you find them all?
Why similar: Creature Collector 43.3%, Idler 26.3%, Relaxing 10.9%, Casual 10.1%, Cute 9.3%
- #52 Where Kiwis 几维鸟在哪里
70% matchVery Positive96% of 69 reviews2024
Dev: 冷笑黑妖
Windows
Search for 100 Kiwis. A carefully hand drawn scene filled with cute characters. The process is short and won't take up too much player time. You can choose your favorite dyeing for the convenience of color blind players. Extremely easy to achieve.
Why similar: Creature Collector 33.6%, Idler 19.5%, Incremental 14.7%, Relaxing 6.4%, Cute 5.8%
- #53 FluffyInn
68% matchNo user reviews
Dev: DogeMotor
Windows · Mac
This is a special inn located at the bottom of your computer desktop, where everyone—from staff to customers—is fluffy! Unlock and purchase different facilities to improve customer satisfaction, earn more coins, then become the ultimate manager!
Why similar: Creature Collector 38.1%, Idler 24.3%, Cats 8.8%, Relaxing 8.2%, Cute 7.8%
- #54 Mango's Fisharium
68% matchVery Positive85% of 277 reviews2025
Dev: Evrac Studio
Windows · Mac
Mango’s Fisharium is a short incremental game about catching unique fishes and displaying them in the Fish Aquarium. Designed to be completed in around 4 hours.
Why similar: Creature Collector 26.7%, Idler 22.9%, Incremental 15.8%, Economy 8.2%, Management 7.1%
- #55 Wing It
69% match4 user reviews50% of 4 reviews2024
Dev: Bee Wings games
Windows
Wing It is a relaxing simulation game where you build and manage a bird sanctuary. Discover, care for, and unlock diverse bird species, customize your haven with unique decor, and explore new locations to expand your sanctuary. Create a paradise for your feathered friends!
Why similar: Creature Collector 36%, Idler 20.3%, Incremental 16.5%, Cute 6%, Casual 5.7%
- #56 쓰까냥 (Mix a Meow)
67% matchNo user reviews2026
Dev: BLANK ANSWER
Windows
Cats live on your desktop. Collect them, mix them, discover new ones. While you work, while you do anything else. You don't have to pay attention — that's just how cats are.
Why similar: Idler 26.5%, Creature Collector 24.3%, Cats 18.1%, Cute 6.7%, Casual 6.1%
- #57 Tiny Slime Farm
66% match7 user reviews100% of 7 reviews2026
Dev: Chocolate Soft
Windows
A cozy desktop idle game where cute slimes bounce around your tiny farm while you work or study.
Why similar: Creature Collector 36.5%, Idler 23.3%, Incremental 14.7%, Cute 8.7%, Relaxing 5.1%
- #58 Just Fish: Idle Aquarium
67% matchNo user reviews
Dev: RoboLaserCosmoTurtle
Windows
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: Creature Collector 28.3%, Underwater 21.6% ★, Idler 18%, Economy 9.8%, Incremental 7.9%
- #59 Animal Onsen: A Cozy Retreat
67% matchNo user reviews
Dev: hazelatte
Windows · Mac
Animal Onsen is a cozy and relaxing companion game. It lives at the bottom of your screen while you work, study, or unwind. Decorate your onsen, upgrade amenities, and collect adorable animal visitors as you build the perfect retreat, one peaceful moment at a time.
Why similar: Creature Collector 34.5%, Idler 19.7%, Incremental 12.1%, Economy 8.1%, Relaxing 7.4%
- #60 Whimsy Koi
66% matchNo user reviews
Dev: Ting LY
Windows
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: Creature Collector 30%, Idler 18.9%, Incremental 12.7%, Economy 7.8%, Hand-drawn 7.2%