- #1 We Love Fish Tanks
97% 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 22.2%, Underwater 17.4% ★, Fishing 16.7% ★, Idler 15.7%, Sandbox 11.6%
- #2 Idle Aquarium
96% match5 user reviews60% of 5 reviews2025
Dev: Triple Tails Software
Windows
A game that let enjoy fish keeping and decorating your aquarium while doing your work
Why similar: God Game 29.7% ★, Creature Collector 13.4%, Idler 13.1%, Underwater 12% ★, Sandbox 11.2%
- #3 Desktank
96% matchPositive88% of 34 reviews2025
Dev: Edco Games
Windows
A cozy idle aquarium that lives on top of your screen. Watch fish swim, grow, and interact while you work or relax. Desktank turns your desktop into a peaceful underwater world — float it in the corner or let it take over the whole screen. Just sit back and enjoy the calm.
Why similar: Creature Collector 18%, Fishing 16.1% ★, Underwater 15.5% ★, Idler 13.4%, Immersive Sim 10.8%
- #4 Creatura
95% matchMixed67% of 231 reviews2021
Dev: Koksny.com
Windows · Linux
Median: 30 minMean: 7.9 hrs≥1hr: 36%
Seed, Breed, Create. From single cell organisms to complex ecosystems. Evolve every part of your own unique aquarium / terrarium by applying scientifically accurate principles of natural and artificial selection, in Creatura - ultimate Virtual Evolution Vivarium Simulator.
Why similar: God Game 19.4% ★, Underwater 19.3% ★, Creature Collector 15.2%, Fishing 12.3% ★, Sandbox 9.9%
- #5 FishPond
94% match1 user reviews100% of 1 reviews2026
Dev: Evan Guthrie
Windows · Linux
Build a living pond where every fish has a unique genetic code. Breed for rare traits, balance oxygen and hunger, unlock new species, and watch your ecosystem compose its own soundtrack in real time. Part sim, part idle game, part science experiment gone beautifully wrong.
Why similar: God Game 21.1% ★, Underwater 18.9% ★, Fishing 17.8% ★, Idler 14.2%, Sandbox 10%
- #6 Kojimachi
94% matchPositive88% of 16 reviews2022
Dev: Yeti Mouth Games LLC
Windows · Linux
Kojimachi is a widget style pet game where you can feed and care for your pet on the island you decorate.
Why similar: Creature Collector 20.3%, God Game 19.2% ★, Dinosaurs 16.6% ★, Idler 12.8%, Sandbox 12.7%
- #7 Machorium -Muscle Aquarium Simulator-
93% 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: Underwater 21.9% ★, Idler 17.4%, Creature Collector 15.1%, Sandbox 12.6%, Simulation 6.3%
- #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 24.6%, Idler 19.9%, Underwater 14.6% ★, Fishing 11% ★, Sandbox 10.3%
- #9 Aquarist
91% matchVery Positive84% of 1,124 reviews2024
Dev: FreeMind S.A.Pub: PlayWay S.A.
Windows
Median: 2.9 hrsMean: 5.8 hrs≥1hr: 78%
Build beautiful aquariums, care for exotic marine life, complete creative customer jobs, and grow your own aquarium business into a world-class oceanarium in this relaxing sandbox simulation.
Why similar: Fishing 18.8% ★, Underwater 17.9% ★, Creature Collector 15.5%, Idler 10.6%, Sandbox 10.3%
- #10 Fish Game
91% matchVery Positive93% of 619 reviews2023
Dev: A Shell in the Pit Games
Windows
Fish Game is a detailed and highly “sofishticated” freshwater aquarium simulator, lovingly crafted *by* enthusiasts *for* enthusiasts! Featuring fish with personalities and dynamic relationships, water quality modeling, and so much more! Made with support from our friends at Smarter Every Day!
Why similar: God Game 18.1% ★, Underwater 15.3% ★, Creature Collector 15.1%, Fishing 13.9% ★, Idler 10%
- #11 Just Fish: Idle Aquarium
90% 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: Underwater 21.5% ★, Creature Collector 18.8%, Fishing 14.9% ★, Idler 14.8%, Trading 11.3%
- #12 Quail Game
89% matchPositive100% of 12 reviews2025
Dev: QuailDev
Windows
An idle desktop game about growing and collecting quails. Hatch them, grow them, collect their eggs and repeat!
Why similar: God Game 36.9% ★, Creature Collector 20.7%, Sandbox 13.9%, Idler 13%, Casual 5.9%
- #13 Zen Aquarium
89% matchVery Positive95% of 298 reviews2025
Dev: Astro Cat
Windows · Mac
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 25.9% ★, Creature Collector 14.8%, Idler 14.1%, Fishing 13.7% ★, Simulation 6.2%
- #14 The Last of the Minnows
88% matchNo user reviews
Dev: Wyrmyr Games
Windows
The Last of the Minnows is a pixel-art survival simulation where you manage a fragile aquarium ecosystem. Balance oxygen, temperature and contaminants to keep your fish alive. Breed unique traits over generations, adapting to ever-changing conditions. Can you keep them alive for 100 days?
Why similar: God Game 28.5% ★, Underwater 27.9% ★, Creature Collector 15.5%, Simulation 10.5%, Management 10.3%
- #15 Tiny Aquarium: Social Fishkeeping
86% matchOverwhelmingly Positive96% of 3,577 reviews2025
Dev: Lunheim StudiosPub: Future Friends Games
Windows · Mac · Linux
Median: 6.1 hrsMean: 37.1 hrs≥1hr: 80%
A happy aquarium that lives at the bottom of your screen! Tiny Aquarium is a social idle simulator that keeps growing, even when offline. Hatch, sell fish, decorate, go fishin’, and visit your friends’ aquariums with bite-sized daily sessions.
Why similar: Fishing 18% ★, Creature Collector 18%, Underwater 15.7% ★, Idler 13.5%, Trading 10.8%
- #16 My Little Ocean
87% matchNo user reviews
Dev: Palmirion Games
Windows
Dive into an interactive ocean simulation. Lead your flocks to food and safety, watch them play and wander, and have fun together in your cozy little ocean.
Why similar: Creature Collector 20.9%, Fishing 15.5% ★, Underwater 13.7% ★, Sandbox 12.6%, Immersive Sim 10.4%
- #17 The Aquarium
85% matchNo user reviews
Dev: Eiwar GamesPub: Ultimate Publishing
Windows
Dive into a breathtaking underwater world! Catch rare fish with your bare hands, harvest beautiful corals, and explore rivers and oceans by boat or ATV. Bring nature's beauty home to design stunning aquariums, breed your aquatic family, and trade in a lively village. Your cozy escape awaits!
Why similar: Underwater 26% ★, Fishing 17.2% ★, Creature Collector 17.2%, Sandbox 12.8%, Cats 8.9%
- #18 Mermeows: Chill Cat Mermaids
84% 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 29.7%, Underwater 20% ★, Idler 17.6%, Cats 9.2%, Cute 5.7%
- #19 Megaquarium
86% matchOverwhelmingly Positive95% of 3,727 reviews2018
Dev: Twice Circled
Windows · Mac · Linux
Median: 2.5 hrsMean: 15.1 hrs≥1hr: 67%
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 25.6% ★, Creature Collector 21%, Sandbox 12.9%, Fishing 11.9% ★, Management 9.1%
- #20 The Fish Room
84% matchNo user reviews
Dev: Pig Fishing Studio
Windows
Breed and sell fish to grow your aquarium business. Unlock new species, aquascape tanks, fulfill customer orders and care for your fish in this relaxing first person aquarium simulator.
Why similar: Fishing 23.3% ★, Underwater 21.6% ★, Creature Collector 15.1%, Sandbox 13.2%, Management 8.6%
- #21 CatCat
82% matchPositive95% of 39 reviews2025
Dev: bogy house
Windows · Mac
"CatCat" is a relaxing cat simulation game. Raise different breeds, feed them, and pet them. You can freely change the layout, arrange furniture, and alter wall colors to create a cozy space for you and your cats. There are no goals or pressure; just enjoy a peaceful time together with your cats.
Why similar: Idler 21.6%, Creature Collector 19.8%, Sandbox 17.7%, Cats 11.4%, Relaxing 8.6%
- #22 Loafing Town
81% matchVery Positive86% of 560 reviews2025
Dev: GoblinZzPub: IndieArk
Windows
Median: 53.2 hrsMean: 120.3 hrs≥1hr: 93%
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 32.4% ★, Creature Collector 19.1%, Idler 16.8%, Fishing 5.9% ★, Simulation 5.3%
- #23 Lunar Lakes
82% matchNo user reviews2026
Dev: Eno Team
Windows · Mac · Linux
Who said death is the end? In Lunar, death is just the start. Catch mysterious creatures, uncover wandering merchants’ stories, make new friends, and build your own trading empire. All of it happens in the corner of your screen. Still think death is the end?
Why similar: Underwater 22.3% ★, Creature Collector 20.9%, Fishing 18.6% ★, Idler 17.6%, Trading 10%
- #24 The Neeblarium
81% match1 user reviews100% of 1 reviews2026
Dev: GhostRZZRPub: coldboot.studio
Windows · Linux
A calm artificial-life sandbox where you seed tiny Neeblies into biomes, watch families and traits emerge, and preserve rare discoveries in your Lab. Shape the environment, run parallel ecosystems, and decide when to intervene or let evolution unfold.
Why similar: God Game 25.7% ★, Creature Collector 21.3%, Idler 17%, Sandbox 12%, Management 7.6%
- #25 Cozy~Fishing Kitten
80% matchNo user reviews2026
Dev: lumenexPub: Lumen Wander
Windows
Dive into a cozy, idle fishing experience! Cast your line from a little corner on your desktop. Customize your cute avatar and background, then feed and collect adorable cats of all breeds. Unlock beautiful scenes and jump into multiplayer and sneak in some "chill-time" with friends!
Why similar: Idler 25.8%, Fishing 22.9% ★, Creature Collector 14.7%, Cats 12%, Simulation 8.7%
- #26 Birthdays the Beginning
83% matchMixed64% of 981 reviews2017
Dev: Arc System WorksPub: NIS America, Inc.
Windows
Median: 4.5 hrsMean: 6.8 hrs≥1hr: 88%
The origins of the world are yours to decide in this engaging and open-ended builder experience! Shape the geography, control the temperature, and give rise to diverse lifeforms. Witness the birth of an entirely new ecosystem, made with your very own hands!
Why similar: God Game 43.8% ★, Dinosaurs 26.1% ★, Sandbox 16.9%, Simulation 9.4%, Cute 3.9%
- #27 KABOOM Farm
79% matchPositive100% of 13 reviews2026
Dev: Act Plus Studio
Windows
Collect, command, and chaos! Push your Kaboom Chickens to the limit—and prank them even harder. Rake in profits, evolve your team into crazed legends and restore the legendary farm to its former glory!
Why similar: God Game 30.1% ★, Creature Collector 22.7%, Idler 13.3%, Sandbox 9.7%, Management 6.4%
- #28 Vquarium
79% 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: Underwater 20.8% ★, Creature Collector 20.4%, Fishing 20% ★, Idler 14.8%, Management 6.9%
- #29 LoFinosaurs
78% matchNo user reviews
Dev: Turtlebird Games
Windows
Experience the beauty of a vibrant world filled with colorful dinosaurs. Play as a dragonfly, recolor the surroundings, collect dinosaur nests, and discover scenic viewpoints in this handcrafted environment. Enjoy the journey at your own pace, whether actively exploring or in idle mode.
Why similar: God Game 25.7% ★, Dinosaurs 21.9% ★, Creature Collector 20.2%, Idler 15.6%, Cute 3.9%
- #30 The Apple Simulator 2
78% match6 user reviews67% of 6 reviews2025
Dev: Kagan ÖrünPub: Yigit Alp Aslan
Windows
You are an apple. Truly. Red, shiny, alive. No movement. You just stay still. You're being observed. Sometimes, the light changes you. But you're always the same: an apple. So, can just standing still... be a game? There’s no movement in this game. No jumping. No enemies. You simply exist.
Why similar: God Game 34.9% ★, Idler 13.9%, Sandbox 12.9%, Immersive Sim 10.2%, Simulation 6.7%
- #31 Cozy Aquarium
77% matchNo user reviews
Dev: Symsie
Windows · Linux
Cozy Aquarium is a relaxing Fish Collecting Game. Catch fish and decorate your fish tanks the way you want to!
Why similar: Creature Collector 29.1%, Fishing 27.6% ★, Sandbox 13.9%, Management 9.3%, Simulation 5.8%
- #32 Bottom Dwellers
76% matchPositive100% of 16 reviews2026
Dev: JustWastingTime
Windows
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 34.3%, Fishing 24.7% ★, Underwater 18.8% ★, Simulation 8.9%, Cute 7.5%
- #33 MioAquaria
77% matchNo user reviews2026
Dev: Pixellore Inc
Windows
Build and manage a cozy underwater sandbox aquarium run by cats. Discover fantasy sea creatures, research upgrades, send expeditions, and balance fish, staff, and visitor needs to become the world’s top aquarium.
Why similar: Creature Collector 23.8%, Underwater 19.2% ★, Fishing 18.5% ★, Sandbox 12.8%, Management 6.8%
- #34 Aquanore
75% 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 28.2%, Idler 19.8%, Simulation 12.4%, Underwater 12.3% ★, Management 6.9%
- #35 咕噜咕噜海洋馆
76% 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: God Game 28.2% ★, Creature Collector 17.9%, Idler 17.5%, Immersive Sim 12.7%, Simulation 7%
- #36 Orion Blue
75% matchNo user reviews2026
Dev: EXLIX
Windows
Orion Blue is a cozy fishing adventure set on a beautiful alien planet. Catch fish, gather resources, and build relationships with the locals. Play actively, or relax and let the game progress with Idle Mode.
Why similar: Underwater 20.6% ★, Fishing 19.3% ★, Creature Collector 17.1%, Sandbox 9.6%, Immersive Sim 9.5%
- #37 星星水族馆~Star Aquarium
74% 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 29.2% ★, Creature Collector 26.3%, Idler 20.4%, Cute 5.6%, Relaxing 4.7%
- #38 Idlequarium
72% 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: Underwater 24.9% ★, Creature Collector 21.4%, Fishing 17.7% ★, Idler 17%, Management 8.2%
- #39 Dinosaur Simulator
74% matchMixed42% of 19 reviews2023
Dev: Imperian Online - As
Windows
Colonise a newly discovered planet with dinosaurs, give these creatures a new chance at life! More than 40 species of dinosaurs are waiting for you to bring them back to life after 66 million years!
Why similar: Dinosaurs 23.2% ★, God Game 21.9% ★, Sandbox 12.2%, Creature Collector 11.2%, Realistic 8.1%
- #40 Cozy Island Idle
73% 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 25.1% ★, Fishing 22.8% ★, Creature Collector 20.3%, Idler 16.4%, Cute 5%
- #41 Tuin
73% matchMostly Positive77% of 148 reviews2022
Dev: Sokpop Collective
Windows · Mac
Plant seeds, pull weeds and sell vegetables - all while doing something else!
Why similar: God Game 29.8% ★, Creature Collector 18.7%, Idler 16.5%, Sandbox 12.4%, Simulation 5.9%
- #42 Fishing Tales: Neko's Journey
71% 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 31%, Idler 25%, Fishing 13.1% ★, Cats 12.6%, Casual 7.4%
- #43 Poison Lizard Paradise
72% match6 user reviews100% of 6 reviews2024
Dev: Dドライブ開発部
Windows
A little cute Chiyari-style lizard growing game is here! Grow up fast ✨Grow up a lot! You may be able to meet various kinds of lizards? Let's love the lizards that move around in all directions ‼️
Why similar: God Game 50.8% ★, Idler 24.6%, Simulation 10.3%, Cute 7.8%, Casual 6.5%
- #44 Hamster Pet: Desktop Companion
70% matchMixed69% of 13 reviews2026
Dev: Jose Galvizu
Windows
Adopt a free desktop hamster companion that lives right on your screen! Feed it, watch it grow, unlock evolutions, and battle other players in PvP mode. A cozy virtual pet that keeps you company while you work or play.
Why similar: Creature Collector 26.1%, Sandbox 16.9%, Idler 16.8%, Simulation 12.8%, Trading 8.2%
- #45 Minor Deity
71% matchNo user reviews
Dev: Re: cOg Mission
Windows · Linux
Command the elements to create the landscapes of your imagination in this gridless interactive sandbox. Control dynamic weather and allow vegetation and animals to flourish. Lay out towns for growing populations, establish resource outposts, and encourage trade via road, river and sea routes.
Why similar: God Game 35% ★, Sandbox 15.2%, Immersive Sim 12.8%, Trading 11.8%, Realistic 8.6%
- #46 Ovivim pra Sua Stream
73% match8 user reviews100% of 8 reviews2023
Dev: Virgula LealPub: Jogo Joia
Windows
Ovivim é um bichinho virtual para streamers que vive em lives da Twitch por livre e espontânea vontade. Essas criaturinhas possuem muitas formas diferentes, e como elas crescem depende de como você cuida delas.
Why similar: God Game 28.4% ★, Creature Collector 20.7%, Fishing 16.8% ★, Idler 15.3%, Cats 8.6%
- #47 Desktop Fishing Cat
69% matchPositive91% of 23 reviews2026
Dev: Enter the Game Studios
Windows
Here’s a cute, chubby black cat. All it wants to do is quietly go fishing. “Right in the corner of your desktop!” Collect fish to fill up the cat’s encyclopedia, earn money, and dress it up in adorable outfits!
Why similar: Fishing 26.8% ★, Idler 21.3%, Creature Collector 20.3%, Cats 15.6%, Simulation 5.6%
- #48 Small Living World 2
71% matchNo user reviews2026
Dev: 777 Pixels
Windows
Is a peaceful ecosystem simulator, bringing every aspect of nature to life. From the water cycle and plant growth, to animal behaviors and reproduction, observe your small living world evolve. All the tools are at your disposal to create your perfect forest.
Why similar: God Game 38.9% ★, Idler 18.9%, Sandbox 17%, Simulation 13.5%, Cute 3.5%
- #49 My Pet Femboy
70% matchPositive100% of 33 reviews2025
Dev: FzzyBzzy
Windows
My Pet Femboy is a simple pet simulator UwU
Why similar: God Game 37.4% ★, Creature Collector 24.2%, Idler 15.3%, Simulation 11.6%, Casual 6.9%
- #50 Chicken Coop
70% matchNo user reviews
Dev: Olof Lenti
Windows
In Chicken Coop, a magical farm needs your help! Humans are gone, and the cow wants her pumpkin. Use tools to build, plant and grow crops, and recruit animals like the trixy cat to scare off thieves. With charming characters, including chickens with hats, it's a fun game for young audiences.
Why similar: God Game 30.9% ★, Creature Collector 15%, Immersive Sim 11.1%, Sandbox 10.3%, Cats 7%
- #51 Fish Companions
68% match4 user reviews100% of 4 reviews2026
Dev: Groupe du Fond
Windows
Fish Companions is a relaxing idle game that brings colorful life to your desktop. Adopt your own digital fish to keep you company. Raise your companions, unlock aquariums, explore new oceans filled with more fish, and collect them all! Hang out with your friends to enjoy even more companionship!
Why similar: Creature Collector 22.7%, Fishing 22.5% ★, Underwater 18.6% ★, Idler 16.5%, Relaxing 4.6%
- #52 Ultraquarium
69% matchNo user reviews2026
Dev: Fusionnist
Windows
ULTRAQUARIUM is a casual aquarium sim that lets you create your own fish and decorations. Purchase fish, satisfy their needs and they shall repay you in kind. Want two Gregs? You can't have two Gregs.
Why similar: Idler 24.8%, Underwater 23.9% ★, Sandbox 20.7%, Simulation 15.6%, Casual 9.3%
- #53 Fischer's Fishing Journey
67% matchVery Positive91% of 1,700 reviews2025
Dev: CutefishPub: Gamersky Games
Windows
Median: 90.4 hrsMean: 158.9 hrs≥1hr: 93%
Put Fischer on your desktop as your ultimate study and work buddy. He'll fish quietly in the corner, taking care of it all—you just drop in occasionally to collect your rewards, unlock new fish, upgrade your rod, while enjoying that calming, healing atmosphere.
Why similar: Creature Collector 23.3%, Fishing 22.7% ★, Idler 19.4%, Cats 15.4%, Cute 5%
- #54 Joyquarium
67% 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: Fishing 21.3% ★, Creature Collector 21.2%, Underwater 20.6% ★, Idler 15.5%, Simulation 5.4%
- #55 Reefling: A Cozy Desktop Aquarium
68% matchNo user reviews2026
Dev: Day
Windows · Mac
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.
Why similar: Creature Collector 27.9%, Underwater 21.2% ★, Idler 18.9%, Sandbox 13.6%, Simulation 5.2%
- #56 Aqua Pals
69% matchPositive86% of 22 reviews2023
Dev: Matthew BPub: Potato Stamps Limited
Windows
Dive into the mesmerizing world of aquariums with Aqua Pals, the immersive fish tycoon game where you create your own underwater haven. Transform simple tanks into a thriving aquatic paradise where charming fish flourish. Buy or breed happy fish to compete in dazzling fish pageants for prizes!
Why similar: Underwater 23.8% ★, Creature Collector 21.1%, Trading 10%, Sandbox 9.8%, Immersive Sim 9.2%
- #57 Fishing On My Desktop
67% matchPositive97% of 36 reviews2025
Dev: ColaCatGames
Windows
Fishing On My Desktop is an idle fishing game that runs on your desktop as a floating button. The game features a variety of fish, unique rod and bait options, and several interesting NPCs. Come and enjoy the fun of fishing!
Why similar: Fishing 28.7% ★, Creature Collector 24.6%, Idler 22.9%, Simulation 6.4%, Cats 5.9%
- #58 Little Aquarium
66% 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 26.8% ★, Creature Collector 21.5%, Idler 14.7%, Sandbox 10.6%, Fishing 10.1% ★
- #59 Fishlets
67% 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 25%, Underwater 22.9% ★, Idler 20.2%, Sandbox 10.6%, Simulation 5.4%
- #60 Cloud
65% matchMixed42% of 12 reviews2026
Dev: Wurara
Windows
Cloud is a short, relaxing experience where you guide a cloud across the sea, absorb moisture, and bring rain to help plants grow as you drift between islands.
Why similar: God Game 43.4% ★, Immersive Sim 12%, Simulation 11%, Casual 9%, Relaxing 8.8%