Behind Glass: Aquarium Simulator Free Download (v1.3)
Game Overview
Behind Glass: Aquarium Simulator offers the ultimate fish-keeping experience, blending relaxation with deep engagement for both aquarium enthusiasts and casual players. Whether you’re passionate about aquascaping or simply drawn to the tranquil beauty of underwater environments, this game provides all the tools you need to create your ideal aquarium. Explore an expansive sandbox where you can design stunning 3D tanks with exceptional creative freedom, choosing between freshwater and saltwater setups that each present unique challenges and opportunities. With over 240 unique fish species, alongside crabs, turtles, and axolotls, your aquariums will teem with vibrant life. The game’s standout feature is its immersive water chemistry simulation, allowing you to manage pH, salinity, and other vital parameters to ensure the perfect conditions for your aquatic companions. For players seeking a more relaxed experience, the designer mode removes all constraints, focusing purely on aesthetics and creativity without grinding or locked content. From colorful fish to a vast selection of decorations and plants, everything is accessible from the start, enabling you to craft personalized underwater worlds that reflect your imagination. Behind Glass features detailed animations and realistic animal behaviors, a tranquil atmosphere designed to ease stress, and the freedom to mix species across diverse habitats. Whether you are a beginner or a seasoned aquascaper, this simulator invites you to build, customize, and manage breathtaking aquariums without limits. Dive in today and transform your virtual tanks into mesmerizing aquatic masterpieces.
- Over 240 unique fish species plus crabs, turtles, and axolotls
- Immersive water chemistry simulation with adjustable parameters
- Extensive decoration and plant options available from the start
- Realistic animations and behaviors for aquatic animals
- Relaxing, stress-free gameplay with creative sandbox freedom
Installation Instructions
- Click the green button below to be redirected to UploadHaven.
- Wait 15 seconds, then hit “Free Download.” (Free downloads may be slower — upgrade to UploadHaven Pro for faster speeds.)
- Once downloaded, right-click the .zip file and choose “Extract to Behind Glass: Aquarium Simulator.” (You’ll need 7-Zip for this.)
- Open the extracted folder and run the game as administrator.
- Enjoy! 🎮 If you see missing DLL errors, check the _Redist folder inside and install what’s needed.
Download Links
Download Behind Glass: Aquarium Simulator using the button below.
Setup Guide & Troubleshooting
How do I fix missing DLL errors for Behind Glass: Aquarium Simulator (v1.3)?
After extracting Behind Glass: Aquarium Simulator (v1.3), navigate to the _Redist or _CommonRedist folder inside the game directory and install DirectX, Vcredist, and any other dependencies included.
What should I do if the downloaded file is corrupted?
The full archive is 1.22 GB — make sure your download completed fully before extracting. Use 7-Zip to extract the files. If you still see a "file corrupted" error, re-download and try again.
Why should I run the game as administrator?
Right-click the game executable and select "Run as Administrator" to avoid save file issues and permission errors. This is especially important on the first launch.
How do I update my GPU drivers for this game?
The game won't launch — what should I try?
This game requires Version 11. Try running in compatibility mode, install the latest DirectX runtime, or install the All-in-One VC Redist Package.
My antivirus is blocking the game — is it safe?
Antivirus false positives are common with pre-installed games. Temporarily pause your antivirus during extraction to prevent it from quarantining game files. You can re-enable it after the extraction completes.
System Requirements
- OS: Windows 10
- Processor: Dual core
- Memory: 4 GB RAM
- Graphics: Nvidia GeForce GTX 970 / AMD RX480
- DirectX: Version 11
- Storage: 2 GB available space
Screenshots

