We Love It's Guide to…
Create stunning virtual aquariums on your PC!
Released 08 Jan 2025
crossbreed any two fish into bizarre hybrid offspring, then breed the hybrids again for even stranger results.
install real equipment like canister filters, heaters, CO2 injection, and dosing pumps, then fast-forward hours, days, or weeks to watch a dynamic nitrogen cycle evolve.
set up a tank where bigger fish can chase, bully, and eat smaller fish.
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!
Developed by BitBros Inc · Published by BitBros Inc









Behind Glass: Aquarium Simulator has about 397 positive and 21 negative player reviews out of a total 418. We'll add a detailed breakdown here when there are more reviews.
Behind Glass is the ultimate fish-keeping game, designed to deliver a relaxing yet deeply engaging experience for aquarium enthusiasts and casual players alike.
Whether you’re a passionate aquascaper or simply enjoy the calming beauty of underwater worlds, this game offers everything you need to create your dream aquarium.
Explore a vast sandbox environment where you can design stunning 3D aquariums with incredible creative freedom. Choose between freshwater and saltwater tanks, each offering unique challenges and opportunities to showcase your style. With access to over 280 unique fish species, along with crabs, turtles, and axolotls, your tanks will be bursting with life.

Behind Glass stands apart with its immersive water chemistry simulation, allowing players to delve into the science behind aquarium care. Adjust pH, salinity, and other parameters to create the perfect conditions for your aquatic friends. For those who prefer a more relaxed approach, the designer mode offers the freedom to focus on design and aesthetics without any constraints.

Forget about grinding or locked content — everything is available right from the start. From vibrant fish to countless decorations, you’ll have every tool at your disposal to craft aquariums that reflect your imagination.
Dive deep into the game’s features:
Instant access to a vast array of decorations, plants, and creatures.
Detailed animations and realistic behaviors for fish and aquatic animals.
The ability to mix and match species in diverse habitats.
A meditative, stress-free atmosphere designed for relaxation.
No other fish tank simulation comes close to offering this level of depth and creativity. Whether you’re a beginner or an experienced aquascaper, Behind Glass lets you build, customize, and manage stunning aquariums without limits.
Start your aquascaping journey today and transform your virtual tanks into mesmerizing underwater worlds!
| Platforms | Windows, macOS |
|---|---|
| Achievements | 11 |
| Age ratings |
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| Controller required | No |
| DLC / extras | 2 listed on Steam |
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