- #1 Aquarium Designer
97% matchVery Positive86% of 1,174 reviews2021
Dev: Sigur StudioPub: Games Operators
Windows
Median: 54 minMean: 2.8 hrs≥1hr: 48%
Aquarium Designer gives you an opportunity to create the aquarium of your dreams! Become a professional whose job is to design it, build it, and fill it with the various underwater wildlife! All types, all sizes - your creativity is your only limit!
Why similar: Simulation 60.6%, Casual 39.4%
- #2 Infinite Blue
96% matchMixed66% of 328 reviews2025
Dev: Gluten Free Games
Windows
Discover an immersive ocean Eco-Sim where you can be almost any animal under the sea! From a tiny seahorse to a massive blue whale, experience the endless circle of life in a massive world of reefs, shipwrecks, and hidden wonders.
Why similar: Simulation 93.1%, Casual 6.9%
- #3 Behind Glass: Aquarium Simulator
96% matchVery Positive95% of 396 reviews2025
Dev: BitBros Inc
Windows · Mac
Create stunning virtual aquariums on your PC! Our advanced 3D engine brings your fish tank to life with breathtaking realism, featuring lifelike fish, plants, decorations, and more. Transform your monitor into a vibrant, living aquarium. Virtual aquascaping has never been easier!
Why similar: Simulation 61.7%, Casual 38.3%
- #4 Megaquarium
94% 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: Simulation 61.9%, Casual 38.1%
- #5 Among Ripples
95% matchMixed68% of 1,446 reviews2015
Dev: Eat Create Sleep
Windows · Mac · Linux
Median: 18 minMean: 4.8 hrs≥1hr: 18%
Control a pond's ecosystem; experiment with what you can do and see what happens. Among Ripples is a meditative ecosystem management simulator; you add different creatures to the pond and see how they interact.
Why similar: Simulation 62.1%, Casual 37.9%
- #6 Plankton
94% matchMixed68% of 122 reviews2016
Dev: PanGuoJun
Windows · Mac
Median: 3.0 hrsMean: 3.4 hrs≥1hr: 89%
Minimalist style game : plankton simulation, an electronic pet generated by math codes. Under your care it will slowly grow up and evolve.
Why similar: Simulation 56.7%, Casual 43.3%
- #7 FISHERY
93% matchVery Positive84% of 394 reviews2019
Dev: Lilou Studio
Windows
Fishery is a stylized aquarium simulation game. Harness your creativity to build and maintain beautiful aquatic habitats. Then relax and watch your beautiful fish enjoy their home.
Why similar: Simulation 62.5%, Casual 37.5%
- #8 Under the blue horizon
92% matchMostly Positive78% of 185 reviews2024
Dev: PavdupPub: DEVDUP
Windows · Mac
"Under the Blue Horizon" is an idle simulation game. Play while performing other tasks on your computer! Place your own aquarium anywhere on your screen, coexisting with your work, games, and more!
Why similar: Simulation 54.1%, Casual 45.9%
- #9 Creatura
91% 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: Simulation 63.1%, Casual 36.9%
- #10 Desktop Fishes
90% matchVery Positive84% of 126 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.
- #11 Fantasy Aquarium
89% matchVery Positive81% of 768 reviews2024
Dev: MOON SCAPEPub: Gamersky Games
Windows
Median: 7.5 hrsMean: 38.3 hrs≥1hr: 80%
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: Simulation 57.8%, Casual 42.2%
- #12 Sparkle 3 Genesis
91% matchMixed71% of 775 reviews2015
Dev: Forever Entertainment S. A.
Windows · Mac · Linux
Median: 4.4 hrsMean: 6.3 hrs≥1hr: 97%
Step into the amazing world of Sparkle – a surreal ocean, where life is thriving and conditions are perfect to make an evolutionary leap.
Why similar: Simulation 59.3%, Casual 40.7%
- #13 Aquarist
89% 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: Simulation 63%, Casual 37%
- #14 Loddlenaut
86% matchOverwhelmingly Positive98% of 5,507 reviews2023
Dev: Moon LagoonPub: Secret Mode
Windows · Mac
Median: 3.7 hrsMean: 6.0 hrs≥1hr: 89%
Play as an interstellar custodian sent to clean up a polluted ocean planet. Pick up trash, explore the vibrant waters, and take care of axolotl-like alien creatures!
Why similar: Casual 100%
- #15 Idlequarium
84% 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: Simulation 60.8%, Casual 39.2%
- #16 Atlantis VR
87% matchMostly Negative37% of 70 reviews2017
Dev: MMEUPub: Forever Entertainment S. A.
Windows
Enter the underwater world thriving with life! Let the aquatic beings guide you trough the mystery deeps and explore nooks and crannies of beautiful ocean landscape!
Why similar: Simulation 59.2%, Casual 40.8%
- #17 Zen Aquarium
83% 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: Simulation 68.9%, Casual 31.1%
- #18 Biotope
86% matchMixed43% of 219 reviews2019
Dev: MBL Development
Windows · Mac
Biotope will be the most detailed and realistic aquarium simulator on the market. Biotope makes it possible to create complex aquarist ecosystems and simulate realistic life cycles of plants and fish.
Why similar: Simulation 62.9%, Casual 37.1%
- #19 Oceans
85% matchMixed64% of 64 reviews2022
Dev: North Star Games
Windows · Mac
Adapt your Species to survive and thrive in the Oceans depths in this turn-based strategy game based on the hit board game Oceans.
Why similar: Simulation 63.5%, Casual 36.5%
- #20 Sandboxels
82% matchVery Positive95% of 844 reviews2025
Dev: R74n
Windows · Mac
Median: 1.8 hrsMean: 3.4 hrs≥1hr: 60%
Falling-sand sandbox game with 500+ elements, chemistry, fire, life, food, and anything you can imagine.
Why similar: Simulation 59.9%, Casual 40.1%
- #21 Tiny Aquarium: Social Fishkeeping
80% 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: Simulation 59.3%, Casual 40.7%
- #22 Marine Park Empire
84% matchVery Positive82% of 148 reviews2015
Dev: Enlight Software LimitedPub: Retroism
Windows
Get ready to jump in the water as you run the most exciting and wild marine park ever in the latest and greatest sea-life simulation!
Why similar: Simulation 65.4%, Casual 34.6%
- #23 Water Physics Simulation
82% matchVery Positive81% of 95 reviews2021
Dev: Gaming-Apps.com
Windows
Water Physics Simulation & Sandbox! Build ships and let them sink! Build cars and let them sink! Use bombs and destroy ragdolls. Play with natural disasters or create towns.
Why similar: Simulation 82.5%, Casual 17.5%
- #24 Aquatic Store Simulator
81% matchMostly Positive72% of 187 reviews2024
Dev: FreeMind S.A.
Windows
Dive into the vibrant world of aquatic retail with Aquatic Store Simulator! Take on the challenge of managing your underwater-themed supermarket, blending business management with the beauty of marine life. Stock shelves with exotic fish, decorations, set prices, take payments and maintain aquariums
Why similar: Simulation 76.5%, Casual 23.5%
- #25 FlowScape
81% matchVery Positive84% of 1,325 reviews2019
Dev: Pixel Forest Games
Windows
Median: 30 minMean: 4.3 hrs≥1hr: 35%
In FlowScape you can create your own nature scene simply by painting. Choose from 20 landscapes and more than 300 models to create your own little paradise by painting trees, changing the sky, rotating the sun, adding sound effects and adjusting your camera for that perfect photo.
Why similar: Simulation 71.9%, Casual 28.1%
- #26 Fish on the desktop
78% matchVery Positive95% of 171 reviews2023
Dev: GCN
Windows
Fish culture in reality is expensive and time-consuming! In this game, your desktop is connected to the sea and lake, where you can purchase various types of fish and cultivate on-hook without affecting the computer operation. It's enjoyable to watch the fish swim freely on your computer desktop...
Why similar: Simulation 59.3%, Casual 40.7%
- #27 subROV : Underwater Discoveries
78% matchVery Positive91% of 66 reviews2022
Dev: sqr3lab
Windows
Pilot a remotely operated submarine and explore the oceans! Defy the darkness and crushing pressure of the deeps as you chart unknown regions and study new species of ocean life.
Why similar: Simulation 100%
- #28 The Painter's Playground
79% matchVery Positive97% of 62 reviews2018
Dev: Next Zen Mechanics Limited
Windows
For creation and collection aficionados, The Painter’s Playground offers a game-based sandbox to craft and collect 2D artwork and share it with the online community. Strive to either be the buzz of the arthouse as a creator of sought-after works, or own the most coveted collection - or both!
Why similar: Simulation 60%, Casual 40%
- #29 Clean the Sea!
77% matchMostly Positive79% of 92 reviews2024
Dev: Backpack Games
Windows · Mac
Make the planet beautiful!
Why similar: Simulation 57.7%, Casual 42.3%
- #30 100 hidden fish
76% matchOverwhelmingly Positive96% of 518 reviews2022
Dev: Anatoliy Loginovskikh
Windows
Median: 36 minMean: 1.9 hrs≥1hr: 40%
The fish hid. Try to find them all! A very large location.
Why similar: Casual 100%
- #31 Ecosystem
76% matchMostly Positive77% of 594 reviews2024
Dev: Tom JohnsonPub: Slug Disco
Windows
Create virtual lifeforms whose development is shaped by a deep simulation of evolution. Guide them as they fight, mate, and adapt to the environment you have built. All the creatures in the trailer evolved on their own in the game!
Why similar: Simulation 100%
- #32 Aquascapers
77% matchMostly Positive73% of 86 reviews2024
Dev: Bewolba Studios
Windows
Bring Nature Home! Experience Aquascapers, a single-player and co-op aquascaping simulation that invites you and friends to discover and gather various ornamental resources for your aquascaping projects. Enhance your business and dominate the market!
Why similar: Simulation 100%
- #33 Critter Cove
72% matchVery Positive95% of 1,823 reviews2024
Dev: Gentleman Rat Studios
Windows
Median: 7.0 hrsMean: 16.6 hrs≥1hr: 82%
A deep, open world life sim and town building game set in a cozy post-apocalyptic paradise. Restore your town, sail across a mysterious archipelago, rescue animal pals. Hunt for relics and farm, fish & craft everything you need. Can you help turn Critter Cove into a thriving tourist town once again?
Why similar: Simulation 100%
- #34 Lofi aquarium
74% matchMostly Positive79% of 138 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: Simulation 57.8%, Casual 42.2%
- #35 Chillquarium
72% 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: Simulation 64%, Casual 36%
- #36 Townscaper
71% matchOverwhelmingly Positive95% of 21,438 reviews2021
Dev: Oskar StålbergPub: Raw Fury
Windows · Mac
Median: 42 minMean: 8.6 hrs≥1hr: 43%
Instant town building toy. Place housing blocks and watch them transform, piece by piece, into idyllic ocean-side towns, pastoral gardens, or sweeping cities on the sea.
Why similar: Simulation 59.8%, Casual 40.2%
- #37 Pool Slide Story
73% matchVery Positive90% of 189 reviews2022
Dev: Kairosoft Co.,Ltd
Windows
Median: 1.9 hrsMean: 6.6 hrs≥1hr: 59%
Make a fantastic, dazzling water park!
Why similar: Simulation 63.8%, Casual 36.2%
- #38 Aquarist - My First Job
74% matchMixed64% of 118 reviews2021
Dev: FreeMind S.A.Pub: PlayWay S.A.
Windows
Get your first job in the Aquarist! Learn how to set up aquarium, decorate it and take care of your fish!
Why similar: Simulation 100%
- #39 Nautical Life
75% matchMostly Positive76% of 58 reviews2018
Dev: Alphaquest GamesPub: Alphaquest Games
Windows
Buy yachts and customize the interior with furniture, besides fishing around the world!
Why similar: Simulation 60.5%, Casual 39.5%
- #40 Jellyfish
75% matchMixed57% of 61 reviews2017
Dev: PanGuoJun
Windows · Mac
Median: 36 minMean: 6.3 hrs≥1hr: 30%
A simulation game about the life story of a jellyfish. In this game, I will present the full life cycle of a jellyfish: from an egg to a hydra and finally, after a not very long journey it becomes an adult jellyfish. A work of interactive art to bring the most beautiful of sea creatures to your screen.
Why similar: Simulation 58.3%, Casual 41.7%
- #41 Virtual Aquarium - Overlay Desktop Game
73% matchMostly Positive77% of 157 reviews2022
Dev: Overlay Games
Windows
A relaxing game displayed as an overlay above system windows. Can't you have an aquarium? Now you can - on your monitor!
Why similar: Simulation 65.5%, Casual 34.5%
- #42 Subside
69% matchVery Positive98% of 461 reviews2024
Dev: A2D Software
Windows
Subside is an immersive aquatic VR experience with multiple areas to explore and lifelike aquatic creatures to interact with. Crafted with unparalleled realism, it aims to replicate the nuances of real-life swimming and diving in shallow waters
Why similar: Simulation 85.6%, Casual 14.4%
- #43 Ocean Rift
73% matchMostly Positive78% of 137 reviews2017
Dev: Llyr ap CenyddPub: Picselica Ltd
Windows
Ocean Rift is the world's first VR aquatic safari park. Explore a vivid underwater world full of life including dolphins, sharks, orcas, turtles, sea snakes, rays, manatees, sea lions, whales, and even dinosaurs!
Why similar: Casual 100%
- #44 Seafarer: The Ship Sim
69% matchMixed68% of 1,733 reviews2025
Dev: astragon DevelopmentPub: astragon Entertainment
Windows
Median: 2.6 hrsMean: 5.1 hrs≥1hr: 73%
Embark on the ultimate maritime experience with Seafarer: The Ship Sim. Choose between careers, take the helm of a variety of ships, and expand your fleet. Navigate a vast open world and become immersed in the beautiful expanses and rolling waves.
Why similar: Simulation 63.2%, Casual 36.8%
- #45 Lost Skies: Island Creator
70% matchVery Positive84% of 86 reviews2024
Dev: Bossa StudiosPub: Humble Games
Windows
Sculpt your island, design places for other players to explore, and even set traps or create puzzles in the Lost Skies: Island Creator! Each island tells its own story; are you ready to craft yours?
Why similar: Simulation 100%
- #46 Feed and Grow: Fish
71% matchMostly Positive78% of 20,772 reviews2016
Dev: Old B1oodPub: Greens s.r.o.
Windows
Median: 5.2 hrsMean: 15.2 hrs≥1hr: 81%
Hunt and eat other fish - simply, grow into larger beasts!
Why similar: Simulation 100%
- #47 Machorium -Muscle Aquarium Simulator-
70% 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: Simulation 62.4%, Casual 37.6%
- #48 DrainSim
66% matchVery Positive92% of 1,022 reviews2026
Dev: CodePeas
Windows
Median: 5.9 hrsMean: 6.3 hrs≥1hr: 76%
Dive into DrainSim and seize control of the floods! Clear the city's submerged streets, with a huge range of different tools from rakes to submersible pumps. Embrace the satisfaction of restoring the water flow. Become the city's hero, one drain at a time.
Why similar: Simulation 62.2%, Casual 37.8%
- #49 Primordialis
67% matchVery Positive94% of 780 reviews2025
Dev: Kyler Natividad
Windows
Median: 6.5 hrsMean: 15.5 hrs≥1hr: 86%
Primordialis is a physics-based roguelike fish builder. Unleash your creativity to defeat creatures using venomous tentacles, electrical shocks, or exploding children. The possibilities are endless. Explore the primordial depths to reveal its secrets and discover what lies beyond.
Why similar: Simulation 100%
- #50 Fish Game
68% 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!
- #51 Deep Diving Simulator
71% matchMixed63% of 103 reviews2019
Dev: Jujubee S.A.Pub: Salient Games
Windows
Median: 3.5 hrsMean: 5.6 hrs≥1hr: 87%
Submerge yourself in one of the most immersive diving simulators to date. Gather your gear, choose your diving spot and discover what lies beneath the surface as you venture deep into the unknown.
Why similar: Simulation 63%, Casual 37%
- #52 FISHTOPIA
67% matchVery Positive90% of 83 reviews2025
Dev: BountyGames
Windows
FISHTOPIA is a pixel art style casual game blending idle gameplay with card collection. Discover 12 card types with special effects, featuring 300+ unique creatures and 100+ decorative items. Mix and match vibrant themes to craft your cyberpunk aquatic world.
Why similar: Simulation 60.7%, Casual 39.3%
- #53 Purplis Sandbox
70% matchMixed67% of 209 reviews2021
Dev: DRAGOLITEPub: DRAGOLITE STUDIO
Windows
Create your own worlds, build interesting mechanisms and just beautiful buildings, everything depends on your imagination.
Why similar: Simulation 100%
- #54 Collector's Cove
65% matchVery Positive91% of 114 reviews2026
Dev: VoodooDuck
Windows
All aboard! Collector’s Cove is a cozy farming adventure on the high seas. Sail with your animal friend to uncharted waters, cultivate your floating farm, and discover new islands, crops and fish on your quest to become a Named Collector!
Why similar: Simulation 54.2%, Casual 45.8%
- #55 Resonance of the Ocean
66% matchOverwhelmingly Positive98% of 2,165 reviews2022
Dev: Image Labo
Windows · Mac
Pick up what the waves wash ashore to make instruments. Use those instruments to answer the echoes heard from beyond the ocean.
Why similar: Casual 100%
- #56 With Me: Aquatic Time
66% matchVery Positive86% of 133 reviews2025
Dev: Sensory Patch Games
Windows · Mac
With Me: Aquatic Time is a gamified time management tool. With relaxing lo-fi music and white noise, fish swim across your desktop as a cozy companion. Earn fish coins by focusing on goals, nurture aquatic creatures and collect encyclopedia to build your unique cyber aquarium!
Why similar: Simulation 52.2%, Casual 47.8%
- #57 theBlu
68% matchMostly Positive73% of 241 reviews2022
Dev: Wevr, Inc
Windows
Median: 24 minMean: 3.9 hrs≥1hr: 27%
Experience the wonder and majesty of the ocean through a series of habitats and come face to face with some of the most awe inspiring species on the planet.
Why similar: Simulation 55.3%, Casual 44.7%
- #58 Captain Pawsome
68% matchMixed50% of 72 reviews2023
Dev: Chicken LauncherPub: Awaken Realms
Windows
Set sail with Captain Pawsome on the relaxing 2D fishing adventure! Craft, upgrade, customize, and conquer the high seas. Clean the environment, catch unique fish, and unleash your inner adventurer. Dive in now and make a splash!
Why similar: Simulation 59.6%, Casual 40.4%