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Games Like IDLE PET UFO

60+ similar titles based on shared tags and player behavior. Themes include Idler, Cute, Casual, 2D.

IDLE PET UFO header art

What might they be thinking? You can leave them alone, or choose to interact from time to time. Freed souls turn into sand, quietly piling up. For some, it may recall childhood days spent by the shore. A desktop idle game about watching strange creatures live.

Reviews: 6 user reviews — 100% — of 6 reviews
Released: 2025-12-15
Developer: 電脳鈴木組
Genres: Casual, Indie, Simulation, Utilities
Platforms: Windows, Mac

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  1. #1 星星水族馆~Star Aquarium
    97% 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: Underwater 18.8%, Creature Collector 17.1%, Idler 15.8%, Incremental 12.4%, 2D Platformer 9.9%

  2. #2 Bitsies: I Caught a Strange Creature Roaming on My Desktop and Now I Raise Them in My Tiny Garden
    96% matchNo user reviews2026
    Dev: HeyNau
    Windows

    A desktop hunting game. Catch tiny creatures that appear on your desktop, bring them to your peaceful garden 🏝️ Take care of them as they grow, evolve, and fill your space with quiet cozy life.

    Why similar: Utilities 18.6%, Idler 18.3%, Creature Collector 17.9%, Collectathon 10.2%, Farming Sim 8%

  3. #3 Seeker Shrine
    96% matchPositive94% of 17 reviews2026
    Dev: Jestercraft
    Windows · Mac · Linux

    Relaxing, cozy and slow paced farm simulator where you collect creatures and build your own ranch. Seekers keep you company while you work, study or just chill on your PC. Collect Orbs to get eggs which hatch new creatures. Decorate the shrine with trees & plants, which offer food for your Seekers.

    Why similar: Idler 16.1%, Farming Sim 15.4%, Creature Collector 14.8%, Incremental 12.1%, Collectathon 9.9%

  4. #4 SLIME EGG
    95% matchNo user reviews
    Dev: AYUMI FUJINO
    Windows

    Raise and hatch eggs in this idle breeding simulation. Collect various types of SlimeMonster, also known as "Slimeon," and complete your collection!

    Why similar: Idler 20.4%, Collectathon 17.2%, Farming Sim 12.7%, Hand-drawn 9.8%, Point & Click 9.3%

  5. #5 Screen Fish:Desk Water World
    94% 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 19%, Farming Sim 18.4%, Idler 18.3%, Incremental 13.3%, Underwater 12.4%

  6. #6 Desktop Fishes
    94% matchMostly Positive76% of 157 reviews2025
    Dev: Daniel Santalla
    Windows

    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: Utilities 14.6%, God Game 13.2%, Farming Sim 12.9%, Underwater 12.4%, Creature Collector 11.9%

  7. #7 Joyquarium
    93% matchVery Positive91% of 583 reviews2025
    Dev: Easyfun StudioPub: Gamersky Games
    Windows
    Median: 13.9 hrsMean: 39.9 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 15%, Underwater 14.5%, Farming Sim 13.7%, Idler 13.1%, Collectathon 10.1%

  8. #8 Moon Fishies
    92% matchNo user reviews
    Dev: AnionCatPub: AnionCat Studio
    Windows

    Moonfishies is relaxing desktop fish simulator. Customize your dream aquarium, catch new fish and breed unique hybrids!

    Why similar: Creature Collector 21%, Idler 20.2%, Collectathon 16.2%, Underwater 12.3%, Farming Sim 8.9%

  9. #9 Aquaville
    91% matchMostly Positive75% of 24 reviews2026
    Dev: Team Machiavelli
    Windows

    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!

    Why similar: Farming Sim 24.5%, Idler 18.7%, Incremental 15.1%, Hand-drawn 10.2%, Simulation 6.4%

  10. #10 Familiar Findings
    91% matchVery Positive97% of 114 reviews2026
    Dev: Cliffa Games
    Windows · Mac · Linux

    Summon and study witches’ familiars in this charming creature collection game. Gather dragons, spirits and more in your quest to complete your magical grimoire. Watch them enchant your screen without intruding while you work, study or relax. With over 100 variations there’s a favourite for everyone!

    Why similar: Idler 17.2%, Creature Collector 16.8%, Farming Sim 14.1%, Collectathon 11.4%, Incremental 9.6%

  11. #11 Whomers Ate My Lawn!
    90% match1 user reviews100% of 1 reviews2025
    Dev: Dreaming Saints
    Windows

    Dive into a simple yet charming world where curious Whomers creatures dig, eat, and survive in a compact 64x64 grid. This minimalistic simulation offers a peaceful experience of watching and interacting with small digital beings as they go about their lives

    Why similar: God Game 19.4%, Colony Sim 17.5%, Creature Collector 14%, Idler 12.1%, Incremental 11%

  12. #12 Lofi Ocean
    89% matchNo user reviews2026
    Dev: Igniting Spark Games
    Windows

    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 26.6%, Idler 16.3%, Incremental 14.9%, Underwater 9.9%, Simulation 9.4%

  13. #13 Phat Phrog Clicker
    89% matchMixed61% of 56 reviews2024
    Dev: Phat Phrog Studios
    Windows

    Join the community of Phat Phrog Clicker enthusiasts today and become the ultimate cute creature collector! Earn 28 unique Steam inventory skins, dropping every 30 minutes of gameplay. These skins can be traded or sold on the Steam Marketplace. Can you collect them all?

    Why similar: Farming Sim 21.5%, Creature Collector 15.8%, Idler 13.6%, Collectathon 13.3%, Incremental 13.3%

  14. #14 Machorium -Muscle Aquarium Simulator-
    87% matchVery Positive91% of 74 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: Underwater 18.9%, Idler 18.1%, Incremental 14.9%, Collectathon 13.9%, Creature Collector 13.2%

  15. #15 Tuin
    88% matchMostly Positive77% of 150 reviews2022
    Dev: Sokpop Collective
    Windows · Mac

    Plant seeds, pull weeds and sell vegetables - all while doing something else!

    Why similar: Farming Sim 19.3%, God Game 19.2%, Idler 14.9%, Creature Collector 14.2%, Incremental 11.2%

  16. #16 Type Planting
    86% matchNo user reviews2025
    Dev: XwX
    Windows

    Type Planting is an idle clicker desktop pet game.Work, type, slack off, you can AFK anytime. Collect plants and decorations, unlock more tractors!

    Why similar: Farming Sim 26.1%, Idler 19.2%, Incremental 15%, Creature Collector 14.2%, Pixel Graphics 6.1%

  17. #17 咕噜咕噜海洋馆
    86% match2 user reviews0% of 2 reviews2025
    Dev: 上海魔之雨网络科技有限公司
    Windows

    欢迎来到这片蔚蓝的摸鱼天堂!在这里,你可以购买可爱的海洋萌物——养Q弹发光的水母、逗气鼓鼓的河豚、有趣的寄居蟹,甚至照顾坏笑的鲨鱼!每天喂食、摸摸头、治疗感冒打喷嚏,看着它们茁壮成长~ 还能帮你赚取贝壳币,通过在商店购买的装饰品,来装饰你的海洋牧场,打造属于你一个人的梦幻海底牧场,快来成为最会摸鱼……啊不,最会经营的海洋大亨吧!(๑•̀ㅂ•́)و✧

    Why similar: Farming Sim 21.1%, God Game 18.7%, Idler 16.2%, Creature Collector 14%, Point & Click 6.9%

  18. #18 Aquaidle
    85% matchNo user reviews
    Dev: DURINKOSU
    Windows

    Dive into Aquaidle! Manage and customize up to 100 aquariums, collect thousands of unique fish, and earn money passively or through active feeding. Relax, upgrade your tanks, and build the ultimate underwater world in this free idle game!

    Why similar: Farming Sim 25.2%, Creature Collector 17.7%, Incremental 15.6%, Collectathon 15.4%, Idler 13.2%

  19. #19 Whimsy Koi
    84% 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 17%, Idler 15.8%, Collectathon 15.2%, Farming Sim 12.9%, Incremental 12.5%

  20. #20 Aquanima
    83% 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: Underwater 19.9%, Creature Collector 19.4%, Idler 16%, Incremental 13.9%, Hand-drawn 6.9%

  21. #21 Mothiary
    82% matchPositive100% of 12 reviews2026
    Dev: Denver
    Windows · Mac · Linux

    An idle game about collecting moths.

    Why similar: Creature Collector 26.8%, Idler 22.3%, Relaxing 10.1%, Collectathon 9.7%, Incremental 9.7%

  22. #22 Animal Workforce: Idle Tycoon Clicker
    84% 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: Farming Sim 18.8%, Idler 16.5%, Creature Collector 14.9%, Incremental 14.2%, Point & Click 8.2%

  23. #23 Fishlets
    82% matchPositive90% of 39 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 18.7%, Idler 18%, Underwater 17%, Incremental 13.8%, Relaxing 6.3%

  24. #24 Shanhai Ranch
    81% match1 user reviews100% of 1 reviews2026
    Dev: Banana Peel Studio
    Windows

    Shanhai Ranch is a desktop idle management game. Collect mythical beasts, assign the five elements, and let them dig treasure, produce resources, and build your ranch on your desktop. Expand storage, upgrade buildings, and grow your own automated beast-running loop.

    Why similar: Creature Collector 24%, Idler 23.5%, Farming Sim 19.7%, Simulation 8.2%, Cute 7.6%

  25. #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 20.7%, Underwater 18.7%, Idler 15.9%, Incremental 14.2%, Collectathon 13.6%

  26. #26 Mermeows: Chill Cat Mermaids
    80% matchNo user reviews2026
    Dev: Gemcraft Games
    Windows

    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 25.4%, Idler 17.9%, Underwater 16.9%, Incremental 11.8%, Hand-drawn 8.4%

  27. #27 Tiny Capsule Collector
    79% matchNo user reviews
    Dev: Playing Mantis
    Windows

    Run a cozy capsule shop at the bottom of your screen. Attract adorable animal customers, collect charming capsule toys, create & decorate a relaxing, ambient world. This idle sim brings you small moments of joy with cute companions while you work or study. Make your desktop a place you’d rather be.

    Why similar: Farming Sim 18.5%, Idler 15.1%, Creature Collector 14.8%, Incremental 12.1%, Collectathon 8.2%

  28. #28 Type Hatcher
    78% match2 user reviews100% of 2 reviews2026
    Dev: Lampscale
    Windows

    Type Hatcher is purely an idle game that 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: Idler 25.2%, Creature Collector 22.7%, Collectathon 19.7%, Incremental 15.9%, Cute 5.3%

  29. #29 Beachcomber
    79% matchNo user reviews
    Dev: Matt EshlemanPub: Matt Eshleman
    Windows · Mac · Linux

    Take a quiet walk along the shore, collecting unique shells with each new wave. Find ones that speak to you, or seek out ones with hidden surprises. How you play is up to you. Discover the world inside every shell.

    Why similar: Idler 21.3%, Collectathon 17.8%, Creature Collector 14.8%, Incremental 14.4%, Relaxing 12%

  30. #30 Cower
    78% matchNo user reviews2026
    Dev: Tikol
    Windows

    Cower is a pixel idle clicker set on a cozy farm. Tap the cow, buy 100+ upgrades, build passive milk income, and duel eight bosses in fast 60-second click battles. Stack combos, unlock Cowdex variants, research permanent bonuses, and prestige for endless growth—even while you're offline.

    Why similar: Idler 22.3%, Farming Sim 17.7%, Collectathon 17%, Incremental 17%, Point & Click 7.4%

  31. #31 DesktopPets
    77% matchNo user reviews
    Dev: floofnoodles
    Windows

    A chill, tamagotchi-like idle creature game in the corner of your screen. Raise creatures, unlock 100+ evolutions, and freely customize your room at your own pace!

    Why similar: Idler 24.3%, Creature Collector 20.9%, Incremental 12.4%, Colony Sim 11%, Simulation 9.9%

  32. #32 Kumochi Keeper
    76% matchNo user reviews
    Dev: Boxtail Studios
    Windows · Mac · Linux

    Become the keeper of your own Kumochi sanctuary! Collect a myriad of whimsical creatures, place them across hand-illustrated zones, and watch them grow! Open Kumochi packs, decorate your world, and build the coziest collection — all at your own pace.

    Why similar: Colony Sim 25%, Creature Collector 21.5%, Idler 17.8%, Simulation 10.5%, Hand-drawn 8.8%

  33. #33 Meowmewbug
    77% 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: Idler 25.2%, Creature Collector 24.6%, Incremental 17.4%, Collectathon 17%, Relaxing 6.6%

  34. #34 The Fun-gi Haven
    75% matchNo user reviews
    Dev: MochiStudio
    Windows

    In a corner of your screen sits a Fun-gi Haven just for mushrooms.​ If you linger long enough, you’ll see all manner of mushroom guests come tumbling in.​ They may know exactly where they’re headed—but they won’t turn down a little company along the way.

    Why similar: Creature Collector 25.3%, Farming Sim 20.4%, Idler 20.1%, Incremental 11.3%, Simulation 8.5%

  35. #35 Camellia's Desktop Garden
    74% match7 user reviews86% of 7 reviews2026
    Dev: Luv Island
    Windows

    This is a desktop idle game. Camellia toils in any screen corner. Her land holds magic, with vibrant crops sprouting endlessly. Collect 100+ varieties—the rarer the crop, the more gold you earn. Save coins for tools or outfits. Working or relaxing, she brings you a soothing experience.

    Why similar: Farming Sim 21.7%, Utilities 19.4%, Idler 14.7%, Creature Collector 12.7%, Simulation 9.3%

  36. #36 Hungrities
    75% matchMostly Positive71% of 17 reviews2025
    Dev: Alexisy
    Windows · Mac · Linux

    In Hungrities, you will take care of small and adorable creatures while attracting new visitors who will explore your farm! Play and interact with your cute creatures: drag them, squeeze them, or stop them if they start fighting each other. Have fun while expanding your collection!

    Why similar: God Game 19.8%, Creature Collector 18.2%, Incremental 13.4%, Idler 12.5%, Collectathon 9.8%

  37. #37 Idle Catfarmia
    76% matchMostly Positive73% of 75 reviews2023
    Dev: RainbowStudio
    Windows

    Help the cat fairies to arrange resources, produce and harvest crops, and manage the farm. The more efficiently the farm grows, the richer your pockets become. Show some clicking skills to unwelcome visitors who occasionally appear on the farm.

    Why similar: Farming Sim 19.4%, Idler 17.4%, Incremental 14.2%, Colony Sim 10%, Collectathon 8.5%

  38. #38 Shrimp Method
    73% matchNo user reviews
    Dev: Shrimp Co Games
    Windows

    Shrimp Method is a deliciously addictive shrimp-themed incremental game, where you can watch your shrimp slosh around into full grown crustaceans, vacuumed up by Shrimp Co.'s industrial vacuum network and turned into sweet sweet money!

    Why similar: Farming Sim 24.9%, Idler 18.9%, Incremental 17.8%, Hand-drawn 11.1%, Colorful 5.9%

  39. #39 Stop and Smell the Flowers
    71% matchPositive90% of 41 reviews2026
    Dev: Bread Factory Games
    Windows · Mac · Linux

    Relax in your shady garden and watch the flowers grow. Seeds have a chance of mutating into a new species of flower -- follow the chart to complete the collection of over 100 flower types!

    Why similar: Farming Sim 24.1%, Collectathon 18.4%, Idler 14.9%, Hand-drawn 12%, Incremental 9.9%

  40. #40 Desk Paws
    72% matchVery Positive89% of 574 reviews2025
    Dev: GinkgoGamesPub: Captcha Games
    Windows · Mac
    Median: 19.8 hrsMean: 79.0 hrs≥1hr: 89%

    Collect over 100 stylish little pets on your desktop! They can freely move along the bottom of your screen, or live in the little houses you've carefully decorated for them. Hmm... or perhaps send them on adventures to earn treats?

    Why similar: Creature Collector 22.5%, Idler 20.8%, Collectathon 15.7%, Relaxing 8%, Cute 7.4%

  41. #41 Tiny Egg Clicker
    73% 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 19.7%, Idler 19.4%, Incremental 18.2%, Collectathon 8.3%, Cute 7.6%

  42. #42 Cats Fishing for Cats
    73% matchMixed43% of 51 reviews2024
    Dev: 1st-impact co.,Ltd.
    Windows · Mac

    This game is about fishing with your cat, surrounded by the sounds of nature. Just hang out with your cat and you will get a new cat at regular intervals. You can earn Paw Points by petting the cat or convert the cat you have into Paw Points to get a new cat.

    Why similar: Creature Collector 19%, Incremental 15.4%, Idler 15.2%, Collectathon 14.2%, 2D Platformer 10.8%

  43. #43 Easy Bubbles
    71% matchPositive89% of 37 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 17.8%, Underwater 17.4%, Idler 15.4%, Incremental 12.1%, Collectathon 12.1%

  44. #44 Ana's Farm
    72% match8 user reviews100% of 8 reviews2025
    Dev: GreyMattersStudio
    Windows

    Ana’s farm is a peaceful idle game. With more and more crops and props on the field, you can unlock new picture book content step by step. Start your venture in this fantasy space with your adorable companions!

    Why similar: Idler 21.1%, Collectathon 17%, Incremental 16.7%, Relaxing 10%, Point & Click 8.8%

  45. #45 Lofi aquarium
    71% matchMostly Positive78% of 147 reviews2025
    Dev: LitheGame
    Windows

    "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: Creature Collector 16.3%, Underwater 14.7%, Idler 14.2%, Utilities 14.1%, Collectathon 12.5%

  46. #46 Fantasy Bird Woods
    70% 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 24.1%, Idler 23.7%, Incremental 22.6%, Farming Sim 16%, Relaxing 9.3%

  47. #47 Mythic Isle
    69% matchNo user reviews
    Dev: Lazy Gull Game Studios
    Windows

    "Create your mini fantasy island in the corner of your Windows desktop! Tired from work or study? Just click casually and watch adorable pets farm, mine, and build automatically for you~ From a deserted isle to a thriving paradise - all thanks to these little creatures with superpowers!"

    Why similar: Colony Sim 26.2%, Farming Sim 25.6%, Idler 25.2%, Relaxing 8.3%, Simulation 7.6%

  48. #48 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: Farming Sim 31.7%, Creature Collector 23%, Idler 21.7%, Relaxing 8.8%, Cute 7.4%

  49. #49 Cozy Island Idle
    70% matchMixed69% of 52 reviews2024
    Dev: Overaction Game Studio
    Windows · Mac · Linux

    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 20.3%, Farming Sim 17.9%, Creature Collector 16.6%, Idler 16%, Collectathon 12%

  50. #50 The Isle of Lost Bees
    68% 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 20.1%, Incremental 18.4%, Idler 16.6%, Hand-drawn 11%, Relaxing 9.7%

  51. #51 Koi Land
    69% match8 user reviews100% of 8 reviews2024
    Dev: GG.Game
    Windows

    "Koi Land" is a highly relaxing idle game. Purchase various types of koi fry, raise them over time, and sell them to earn money! Over 40 types of koi , listen to soothing music, and enjoy the sight of colorful koi as they accompany you through pleasant times!

    Why similar: Idler 23.9%, Farming Sim 23.8%, Creature Collector 23.4%, Relaxing 11%, Simulation 7.5%

  52. #52 Little Aquarium
    68% matchMixed45% of 11 reviews2025
    Dev: ManicBuild
    Windows

    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!

    Why similar: Underwater 20.9%, Utilities 17.7%, Creature Collector 16.9%, Idler 13.7%, Incremental 10.3%

  53. #53 Mango's Fisharium
    67% matchVery Positive82% of 304 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: Idler 20.6%, Incremental 16.6%, Creature Collector 16.2%, Collectathon 12.2%, Point & Click 6.2%

  54. #54 Bloom Cats
    67% matchNo user reviews2026
    Dev: Pandaweave
    Windows

    Ever heard cats grow from flowerpots? In Bloom Cats, tend your balcony: plant flowers, and kittens visit as they bloom. Each cat has its own story and quirks; the more they visit, the more treasures they gift you. Calm, cozy, idle—just blooming flowers and lovely cats for unhurried hours.

    Why similar: Idler 24.2%, Creature Collector 22.4%, Farming Sim 18.6%, Incremental 18.2%, Cute 4.5%

  55. #55 Loafing Town
    66% matchVery Positive86% of 570 reviews2025
    Dev: GoblinZzPub: IndieArk
    Windows
    Median: 48.9 hrsMean: 116.5 hrs≥1hr: 90%

    A relaxing and humorous idle god simulator that stays at the bottom of your screen or on a second monitor while you do other things. With physics-based dragging interactions, it feels just like playing with desk toys.

    Why similar: God Game 24.2%, Idler 17.4%, Creature Collector 16.8%, Incremental 13.3%, Relaxing 8.2%

  56. #56 Fishful Days
    66% match7 user reviews100% of 7 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 22.4%, Underwater 21.5%, Creature Collector 9%, Relaxing 8.9%, Pixel Graphics 7.6%

  57. #57 Game of Grass
    67% matchVery Positive84% of 278 reviews2025
    Dev: Hipsterdufus
    Windows
    Median: 5.4 hrsMean: 7.4 hrs≥1hr: 90%

    Game of Grass is a short and sweet, active (and idle) incremental game where you cut grass and feel good! Upgrade tools to cut grass more quickly. Grow crops for passive income. Attract thousands of visitors and animals! Collect the rare Golden Crops! Get all the things and be happy!

    Why similar: God Game 20.8%, Farming Sim 15.3%, Incremental 14%, Idler 14%, Collectathon 13.6%

  58. #58 Milo's Tiny Fish Pond
    67% matchVery Positive88% of 51 reviews2025
    Dev: MMUnit
    Windows · Mac

    Create a vibrant, personal fish pond right on your desktop! Easily raise idle fish, collect cute species, and customize your digital space. Earn continuous rewards even while offline, decorate freely with simple taps and soothing sounds, build your serene desktop oasis effortlessly.

    Why similar: Idler 22.9%, Underwater 20.2%, Farming Sim 13.4%, Incremental 10.5%, Simulation 10%

  59. #59 AquaFantasia
    69% 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 19.9%, Farming Sim 17.9%, Underwater 17.5%, Idler 16.2%, Relaxing 8.2%

Modeli
IDLE PET UFO cover art

Games Like IDLE PET UFO

Based on tag similarity + player behavior
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