Games like Darwin's Aquarium
If Darwin's Aquarium is your kind of game, the closest matches are Ecosystem, 方寸海洋物语 and Fish Game — picked from the ranked list below. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.
Get personalized picks →About Darwin's Aquarium: Breeding and training fish is your hobby. Discover new species - evolve favorable characteristics and train your AI fish brain to behave like real-life fish. Learn about AI and genetics by playing.

Players who liked Darwin's Aquarium also play
Steam players who put hours into Darwin's Aquarium also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.
Ecosystem
WHY THIS
Top pick for Darwin's Aquarium fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Simulation with Darwin's Aquarium.
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!
方寸海洋物语
WHY THIS
Second-strongest match for Darwin's Aquarium fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Simulation with Darwin's Aquarium.
《方寸海洋物语》是一款极致追求画面观赏质感,力求还原真实海缸生态的模拟养鱼游戏。工作时它安静地待在屏幕一角,陪你敲代码、写文档;学习累了,抬头看看游动的小鱼,为自己换一口气;你也可以坐在客厅沙发上欣赏这仅属于你的海洋。点点鼠标即可轻松养护,看小丑鱼钻进海葵,繁育各种珍奇鱼种,你的薄荷仙在等你。
Fish Game
WHY THIS
Third-strongest match for Darwin's Aquarium fans by collaborative filtering across millions of Steam libraries. Shares Simulation with Darwin's Aquarium.
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!
GLITCHED MATRIX Prototype Lab
WHY THIS
Ranked #4 for Darwin's Aquarium fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Darwin's Aquarium.
Enter a virtual arcade packed with playable prototypes, creator tools, chat bots, and mod-friendly experiments inside one evolving digital world.
Idle Aquarium
WHY THIS
Ranked #5 for Darwin's Aquarium fans by collaborative filtering across millions of Steam libraries. Shares Simulation with Darwin's Aquarium.
A game that let enjoy fish keeping and decorating your aquarium while doing your work
Orion Blue
WHY THIS
Ranked #6 for Darwin's Aquarium fans by collaborative filtering across millions of Steam libraries. Shares Simulation with Darwin's Aquarium.
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.
BugLab Simulator
WHY THIS
Ranked #7 for Darwin's Aquarium fans by collaborative filtering across millions of Steam libraries. Shares Simulation and Early Access with Darwin's Aquarium.
Manage terrariums, breed insects, produce resources, and expand your lab into a thriving ecosystem. BugLab blends automation, strategy, and simulation with ever-growing systems.
Aqua Pals
WHY THIS
Ranked #8 for Darwin's Aquarium fans by collaborative filtering across millions of Steam libraries. Shares Simulation and Early Access with Darwin's Aquarium.
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!
Cheaper alternatives
Games in the same vein priced at least 40% below Darwin's Aquarium at current Steam store prices.
Garry's Mod
WHY THIS
Priced ~67% under Darwin's Aquarium on Steam right now. Shares Simulation with Darwin's Aquarium.
Garry's Mod is a physics sandbox. There aren't any predefined aims or goals. We give you the tools and leave you to play.
R.E.P.O.
WHY THIS
Priced ~53% under Darwin's Aquarium on Steam right now. Shares Early Access with Darwin's Aquarium.
An online co-op horror game with up to 6 players. Locate valuable, fully physics-based objects and handle them with care as you retrieve and extract to satisfy your creator's desires.
Sid Meier's Civilization® V
WHY THIS
Priced ~50% under Darwin's Aquarium on Steam right now. Shares Strategy with Darwin's Aquarium.
Create, discover, and download new player-created maps, scenarios, interfaces, and more!
Slay the Spire
WHY THIS
Priced ~58% under Darwin's Aquarium on Steam right now. Shares Strategy with Darwin's Aquarium.
We fused card games and roguelikes together to make the best single player deckbuilder we could. Craft a unique deck, encounter bizarre creatures, discover relics of immense power, and Slay the Spire!
Inscryption
WHY THIS
Priced ~47% under Darwin's Aquarium on Steam right now. Shares Strategy with Darwin's Aquarium.
Inscryption is an inky black card-based odyssey that blends the deckbuilding roguelike, escape-room style puzzles, and psychological horror into a blood-laced smoothie. Darker still are the secrets inscrybed upon the cards...
Cookie Clicker
WHY THIS
Priced ~67% under Darwin's Aquarium on Steam right now. Shares Strategy and Simulation with Darwin's Aquarium.
An idle game about making cookies! Originally released in 2013 on the web, and actively developed since then. This is the official version for Steam.
Noita
WHY THIS
Priced ~47% under Darwin's Aquarium on Steam right now. Shares Simulation with Darwin's Aquarium.
Noita is a magical action roguelite set in a world where every pixel is physically simulated. Fight, explore, melt, burn, freeze and evaporate your way through the procedurally generated world using spells you've created yourself.
Plants vs. Zombies GOTY Edition
WHY THIS
Priced ~67% under Darwin's Aquarium on Steam right now. Shares Strategy with Darwin's Aquarium.
Zombies are invading your home, and the only defense is your arsenal of plants! Armed with an alien nursery-worth of zombie-zapping plants like peashooters and cherry bombs, you'll need to think fast and plant faster to stop dozens of types of zombies dead in their tracks.
Free alternatives
Free-to-play games that recommended players of this title also tend to enjoy.
Bongo Cat
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Simulation with Darwin's Aquarium.
Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?
Virtual Cottage
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Simulation with Darwin's Aquarium.
Virtual Cottage gives you a comfy place to rest and be productive without any distractions. Open the game, set yourself a goal and enjoy the atmosphere.
The Lab
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it.
Welcome to The Lab, a compilation of Valve’s room-scale VR experiments set in a pocket universe within Aperture Science. Fix a robot, defend a castle, adopt a mechanical dog, and more. Still not sold? It’s free!
An Arcade Full of Cats
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it.
Journey through gaming history's time and space, while searching for adorable feline companions in 'An Arcade Full of Cats,' the ultimate pet'em up hidden object game.
93, Kuindzhi
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it.
Kuindzhi, 93 is an atmospheric first-person narrative vignette about an 18-year-old boy from Donbas. The story takes us to March 2022, when the world changed forever — into a space where the past, fears, and doubts find their voice.
DORONKO WANKO
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Simulation with Darwin's Aquarium.
『DORONKO WANKO』 is a DORONKO Action Game. In this game, You can become a cute, innocent Pomeranian, make your master's home messy and dirty. "Will the master be angry with me?" Don't worry. Because you are a sweet doggie.
Landfall Archives
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Strategy with Darwin's Aquarium.
Break into the Landfall Archives to steal and play previously unreleased games, demos, interactive slide shows, and even an unreleased version of Totally Accurate Battle Simulator from 2017!
SuchArt: Creative Space
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Simulation with Darwin's Aquarium.
Paint on any surfaces with numerous tools in Creative Space — a free sandbox version of SuchArt: Genius Artist Simulator. Create masterpieces, complete commissions, and decorate your studio in the most advanced artist sim!
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Head-to-head comparisons
Frequently asked about Darwin's Aquarium
- How much does Darwin's Aquarium cost?
- Darwin's Aquarium is listed on Steam at 14.99 USD (current store price; Steam sales may reduce this temporarily).
- Does Darwin's Aquarium have multiplayer or co-op?
- Yes — Darwin's Aquarium supports multi-player play according to its Steam store listing (Multi-player).
- What games are most similar to Darwin's Aquarium?
- Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Darwin's Aquarium are Ecosystem, 方寸海洋物语, Fish Game.
- Who developed Darwin's Aquarium?
- Darwin's Aquarium was developed by Joachim Sester, Niels ten Dijke and published by Darwin's Studio.
imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on Darwin's Aquarium.
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