Behind Glass: Aquarium Simulator

Sandbox aquarium simulator for designing tanks and managing water chemistry

BitBros Inc · Released Jan 8, 2025

Reviews: Very Positive; 95% of 419
Recent reviews: Not enough recent
Playing now: 8; right now
Steam Deck: Playable
Last update: 2 years ago; Jun 3, 2024

What is Behind Glass: Aquarium Simulator?

This single-player aquarium sandbox lets you build 3D freshwater and saltwater tanks, arrange plants and decorations, and add fish and other aquatic animals. You can manage water conditions such as pH and salinity, or use designer mode to focus on the tank layout without care constraints.

For you if...

+you like relaxed, open-ended aquarium design
+you enjoy managing water conditions for different species
+you want decorations and animals available from the start

Not for you if...

−you prefer clear objectives over open-ended design
−you want fast action rather than arranging aquariums

What players say

95% of 419 reviews are positive

Players praise the freedom to design tanks, the range of fish, and their animations. Complaints focus on limited plant choices, missing shrimp and snails, and fish behavior that some players find inaccurate.

Screenshots and trailer

Behind Glass: Aquarium Simulator system requirements

As published by the developer.

Minimum

OS: Windows 10
Processor: Dual core
Graphics: Nvidia GeForce GTX 970 / AMD RX480
Memory: 4 GB RAM
Storage: 2 GB available space
DirectX: Version 11

PC version details

DRM, required accounts, controller support and Steam features.

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows, macOS
Achievements: 11
Steam features: Workshop, Cloud saves, Family Sharing

Steam Deck: Playable

Default controller config not fully functional
Sometimes shows mouse, keyboard or non-Deck controller icons
Some text entry requires manually opening the on-screen keyboard
Some in-game text is small and may be hard to read
Default graphics settings perform well on Steam Deck

Multiplayer and co-op

Single-player

Languages

Text only: English, German, French, Italian, Spanish - Spain, Japanese, Portuguese - Portugal, Russian, Turkish, Portuguese - Brazil, Spanish - Latin America, Korean, Simplified Chinese, Traditional Chinese.