- #1 We Love Fish Tanks
97% matchPositive90% of 10 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%, Underwater 17.3% ★, Fishing 16.6% ★, Idler 16.4%, Sandbox 11.5%
- #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 29.3% ★, Idler 13.7%, Creature Collector 13.4%, Underwater 12% ★, Sandbox 11.2%
- #3 Desktank
96% matchPositive88% of 32 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 17.8%, Fishing 16% ★, Underwater 15.4% ★, Idler 13.9%, Immersive Sim 10.8%
- #4 Creatura
95% matchMixed68% of 228 reviews2021
Dev: Koksny.com
Windows · Linux
Median: 30 minMean: 8.3 hrs≥1hr: 35%
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: Underwater 19.4% ★, God Game 19.2% ★, Creature Collector 15.1%, Fishing 12.4% ★, Sandbox 9.8%
- #5 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 20.2%, God Game 18.9% ★, Dinosaurs 16.4% ★, Idler 13.4%, Sandbox 12.7%
- #6 FishPond
94% matchNo user 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 20.7% ★, Underwater 18.8% ★, Fishing 17.8% ★, Idler 14.7%, Sandbox 9.9%
- #7 Machorium -Muscle Aquarium Simulator-
93% matchVery Positive92% of 71 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 21.7% ★, Idler 18.1%, Creature Collector 14.9%, Sandbox 12.5%, Simulation 6.3%
- #8 Aquarist
92% matchVery Positive84% of 1,085 reviews2024
Dev: FreeMind S.A.Pub: PlayWay S.A.
Windows
Median: 2.9 hrsMean: 5.7 hrs≥1hr: 79%
A relaxing sandbox casual simulation game where you perform various, even strange, aquarium-related tasks on very diverse levels. As an Aquarist you must create and manage a home to amazing fish🐟, sea turtles🐢, sharks🦈, octopuses🐙, and more🐬. Aquarium is their world and life. Make it worth...
Why similar: Fishing 18.7% ★, Underwater 17.8% ★, Creature Collector 15.3%, Idler 11.1%, Sandbox 10.2%
- #9 Fish Game
91% matchVery Positive93% of 602 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 17.8% ★, Underwater 15.2% ★, Creature Collector 15%, Fishing 13.8% ★, Idler 10.4%
- #10 Just Fish: Idle Aquarium
91% 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 21.3% ★, Creature Collector 18.5%, Idler 15.4%, Fishing 14.8% ★, Trading 11.4% ★
- #11 Quail Game
90% 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 36.4% ★, Creature Collector 20.6%, Sandbox 13.9%, Idler 13.7%, Casual 5.9%
- #12 Tiny Aquarium: Social Fishkeeping
89% matchOverwhelmingly Positive96% of 3,220 reviews2025
Dev: Lunheim StudiosPub: Future Friends Games
Windows · Mac · Linux
Median: 5.4 hrsMean: 37.4 hrs≥1hr: 79%
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 17.9% ★, Creature Collector 17.8%, Underwater 15.7% ★, Idler 14%, Trading 10.9% ★
- #13 The Last of the Minnows
89% 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 28.1% ★, Underwater 28% ★, Creature Collector 15.5%, Simulation 10.5%, Management 10.5%
- #14 Mermeows: Chill Cat Mermaids
87% matchNo user reviews
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 29.3%, Underwater 19.8% ★, Idler 18.3%, Cats 9.2%, Cute 5.7%
- #15 CatCat
86% matchPositive95% of 37 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 22.4%, Creature Collector 19.5%, Sandbox 17.5%, Cats 11.3%, Relaxing 8.5%
- #16 The Fish Room
86% 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 23.4% ★, Underwater 21.6% ★, Creature Collector 15%, Sandbox 13.1%, Management 8.8%
- #17 Megaquarium
88% matchOverwhelmingly Positive95% of 3,644 reviews2018
Dev: Twice Circled
Windows · Mac · Linux
Median: 2.4 hrsMean: 14.8 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 25.7% ★, Creature Collector 21%, Sandbox 12.8%, Fishing 11.8% ★, Management 9.2%
- #18 Lunar Lakes
85% 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 22.1% ★, Creature Collector 20.6%, Fishing 18.4% ★, Idler 18.3%, Trading 10% ★
- #19 Loafing Town
84% matchVery Positive86% of 505 reviews2025
Dev: GoblinZzPub: IndieArk
Windows
Median: 43.0 hrsMean: 87.0 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 31.9% ★, Creature Collector 19%, Idler 17.5%, Fishing 5.9% ★, Simulation 5.2%
- #20 Meowniverse
83% matchNo user reviews2026
Dev: Superjoy Co., Ltd.
Windows
Merge endless cats on your desktop! Every cat you adopt becomes a unique part in your Collection. Evolve your cats, complete the Collection, and enjoy their company. They’ll embark on adventures, bringing you coins and fish! Get ready to huff cats and let their sweet meows lift your spirits!
Why similar: Creature Collector 24.6%, Cats 12.5%, Idler 12.4%, Sandbox 9.3%, Simulation 8.4%
- #21 KABOOM Farm
82% 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 29.6% ★, Creature Collector 22.5%, Idler 13.9%, Sandbox 9.6%, Management 6.5%
- #22 Cozy~Fishing Kitten
82% matchNo user reviews
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 26.7%, Fishing 22.7% ★, Creature Collector 14.4%, Cats 11.9%, Simulation 8.6%
- #23 Creature Evolution
81% matchNo user reviews
Dev: VaragtP
Windows
Creature Evolution is a simple game about merging little creatures and seeing what they turn into. You start with a few small critters, and by combining them, they slowly change into new and sometimes unexpected forms. The more you merge, the stranger and bigger they grow.
Why similar: God Game 27% ★, Idler 24.3%, Creature Collector 14.7%, Sandbox 10.4%, Simulation 8.9%
- #24 Birthdays the Beginning
84% matchMixed64% of 965 reviews2017
Dev: Arc System WorksPub: NIS America, Inc.
Windows
Median: 4.6 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 43.7% ★, Dinosaurs 25.9% ★, Sandbox 17%, Simulation 9.5%, Cute 3.8%
- #25 Chillquarium
81% matchVery Positive92% of 8,063 reviews2023
Dev: Ben Reber
Windows · Mac
Median: 16.6 hrsMean: 51.9 hrs≥1hr: 88%
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!
Why similar: Creature Collector 22.1%, Fishing 20.6% ★, Underwater 17.8% ★, Idler 17%, Simulation 5.4%
- #26 LoFinosaurs
80% 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 25.4% ★, Dinosaurs 21.6% ★, Creature Collector 20.1%, Idler 16.3%, Cute 3.9%
- #27 The Apple Simulator 2
79% 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 34.4% ★, Idler 14.5%, Sandbox 12.8%, Immersive Sim 10.2%, Simulation 6.7%
- #28 咕噜咕噜海洋馆
79% 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 27.7% ★, Idler 18.2%, Creature Collector 17.7%, Immersive Sim 12.7%, Simulation 7%
- #29 Bottom Dwellers
77% matchPositive100% of 15 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 24.8% ★, Underwater 18.9% ★, Simulation 9%, Cute 7.3%
- #30 MioAquaria
78% 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 23.6%, Underwater 19.2% ★, Fishing 18.5% ★, Sandbox 12.8%, Management 6.9%
- #31 Aquanore
78% matchNo user reviews
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 27.8%, Idler 20.6%, Simulation 12.4%, Underwater 12.2% ★, Management 6.9%
- #32 Orion Blue
77% 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%, Immersive Sim 9.6%, Sandbox 9.5%
- #33 星星水族馆~Star Aquarium
76% 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% ★, Creature Collector 25.9%, Idler 21.2%, Cute 5.5%, Relaxing 4.7%
- #34 The Fish Corner
76% matchNo user reviews2026
Dev: Ninetoplay
Windows
Run your own cozy fish shop, collect unique breeds, care for your tanks, and decorate your home. Breed rare fish, manage customers, and grow your store. Build, customize, and create the aquarium life you dream of.
Why similar: Creature Collector 23.9%, Underwater 21.6% ★, Sandbox 14.7%, Simulation 11.1%, Trading 8.9% ★
- #35 Vquarium
75% matchNo user reviews2026
Dev: Pete Karesisto
Windows
Feel like your desktop is too bland? Vquarium is a relaxing 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 25.1%, Fishing 24.4% ★, Idler 18.7%, Management 8.9%, Relaxing 5.4%
- #36 Aqua Corner
75% match1 user reviews100% of 1 reviews2025
Dev: NeonGhost Studio
Windows
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.
Why similar: Underwater 24.8% ★, Creature Collector 24.4%, Idler 18.8%, Management 9.5%, Cute 4.7%
- #37 Idlequarium
72% matchMostly Positive74% of 168 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 24.7% ★, Creature Collector 21.1%, Idler 17.7%, Fishing 17.6% ★, Management 8.3%
- #38 Desktop Fishing
71% matchVery Positive90% of 325 reviews2025
Dev: Ostend Games
Windows
Desktop Fishing is a cozy idle game that sits in the corner of your screen. Go about your usual desk work (or don't) while your frog buddy catches fish, discovers new outfits, and unlocks fishing spots.
Why similar: Fishing 29.1% ★, Idler 23.1%, Creature Collector 20.8%, Simulation 7%, Relaxing 6%
- #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% ★, God Game 21.7% ★, Sandbox 12.2%, Creature Collector 11.2%, Management 8.2%
- #40 Poison Lizard Paradise
73% 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 49.9% ★, Idler 25.7%, Simulation 10.3%, Cute 7.7%, Casual 6.4%
- #41 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 24.9% ★, Fishing 22.6% ★, Creature Collector 20.1%, Idler 17.1%, Cute 4.9%
- #42 Tuin
74% matchMostly Positive78% of 145 reviews2022
Dev: Sokpop Collective
Windows · Mac
Plant seeds, pull weeds and sell vegetables - all while doing something else!
Why similar: God Game 29.4% ★, Creature Collector 18.5%, Idler 17.2%, Sandbox 12.3%, Simulation 5.9%
- #43 Fishing Tales: Neko's Journey
72% matchNo user reviews
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 30.5%, Idler 25.9%, Fishing 13% ★, Cats 12.5%, Casual 7.3%
- #44 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% ★, Creature Collector 20.6%, Fishing 16.8% ★, Idler 16%, Cats 8.5%
- #45 Desktop Fishing Cat
70% matchPositive100% of 12 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 26.6% ★, Idler 22.1%, Creature Collector 20%, Cats 15.5%, Simulation 5.6%
- #46 Small Living World 2
71% matchNo user reviews
Dev: 777 Pixels
Windows
Is a full-fledged 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 38.2% ★, Idler 19.7%, Sandbox 16.9%, Simulation 13.5%, Cute 3.5%
- #47 Cast n Chill
69% matchOverwhelmingly Positive95% of 7,084 reviews2025
Dev: Wombat Brawler
Windows · Mac
Median: 4.5 hrsMean: 13.6 hrs≥1hr: 74%
Cast n Chill is a relaxing fishing game where you explore serene lakes, rivers, and oceans. Catch rare fish, upgrade your gear and reel in legendary catches - all with your loyal companion by your side.
Why similar: Fishing 28% ★, Creature Collector 20.3%, Underwater 17.1% ★, Idler 17%, Relaxing 6.9%
- #48 My Pet Femboy
70% matchPositive100% of 25 reviews2025
Dev: FzzyBzzy
Windows
My Pet Femboy is a simple pet simulator UwU
Why similar: God Game 36.9% ★, Creature Collector 24.1%, Idler 15.9%, Simulation 11.7%, Casual 6.8%
- #49 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 34.6% ★, Sandbox 15.2%, Immersive Sim 13%, Trading 12% ★, Realistic 8.5%
- #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 30.6% ★, Creature Collector 15%, Immersive Sim 11.2%, Sandbox 10.3%, Cats 7%
- #51 Fischer's Fishing Journey
67% matchVery Positive91% of 1,547 reviews2025
Dev: CutefishPub: Gamersky Games
Windows
Median: 80.2 hrsMean: 156.7 hrs≥1hr: 94%
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 22.9%, Fishing 22.4% ★, Idler 20.1%, Cats 15.3%, Cute 5%
- #52 Joyquarium
68% matchVery Positive92% of 498 reviews2025
Dev: Easyfun StudioPub: Gamersky Games
Windows
Median: 14.2 hrsMean: 41.1 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 21.2% ★, Creature Collector 20.9%, Underwater 20.4% ★, Idler 16.2%, Simulation 5.4%
- #53 Fishing On My Desktop
68% matchPositive97% of 29 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 28.5% ★, Creature Collector 24.2%, Idler 23.7%, Simulation 6.3%, Cats 5.9%
- #54 Mango's Fisharium
67% matchVery Positive86% of 264 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: Fishing 25.3% ★, Idler 22.9%, Creature Collector 20.4%, Management 9.7%, Simulation 7%
- #55 Zen Aquarium
66% matchVery Positive96% of 279 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 25.6% ★, Creature Collector 14.7%, Idler 14.6%, Fishing 13.7% ★, Simulation 6.2%
- #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 23.7% ★, Creature Collector 20.9%, Trading 10.1% ★, Sandbox 9.7%, Immersive Sim 9.3%
- #57 Fishlets
68% 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 24.7%, Underwater 22.8% ★, Idler 21%, Sandbox 10.5%, Simulation 5.4%
- #58 Aquanima
66% matchPositive94% of 32 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 27% ★, Creature Collector 26%, Idler 19%, Relaxing 4.8%, Cute 4.2%
- #59 Idle Waters
66% matchVery Positive95% of 348 reviews2025
Dev: Ignita Games
Windows
Median: 39.0 hrsMean: 68.3 hrs≥1hr: 88%
A relaxing idle fishing game that waits for you at the bottom of your screen. CATCH fish, BUY upgrades, COMPLETE your collection, and DISPLAY them in your aquarium.
Why similar: Fishing 27.4% ★, Idler 22.2%, Creature Collector 15.2%, Management 8.9%, Simulation 7%
- #60 Little Aquarium
67% match9 user reviews44% of 9 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 26.6% ★, Creature Collector 21.3%, Idler 15.3%, Sandbox 10.5%, Fishing 10.1% ★