Behind Glass: Aquarium Simulator
Sandbox aquarium simulator for designing tanks and managing water chemistry
BitBros Inc · Released Jan 8, 2025
- Reviews
- Very Positive
- 96% of 410
- Recent reviews
- Not enough recent
- Players
- 8
- daily peak, Nov 7, 2026
- Steam Deck
- Playable
- Last update on Steam
- 3 months ago
- Jul 13, 2026
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
96% of 410 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
Minimum: GeForce GTX 970, 4 GB RAM, 2 GB of disk space.
As published by the developer.
Can my PC run Behind Glass: Aquarium Simulator?
Tell us your graphics card once and every game page will answer this for you.
Set up my PC →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
Recommended
- OS
- Windows 10
- Processor
- Quad core
- Graphics
- Nvidia GeForce GTX 970 / AMD RX480
- Memory
- 8 GB RAM
- Storage
- 2 GB available space
- DirectX
- Version 11
Does Behind Glass: Aquarium Simulator have co-op or multiplayer?
No: single-player only, no multiplayer modes declared.
Does Behind Glass: Aquarium Simulator run on Steam Deck?
Playable Playable: it runs on Steam Deck with some adjustments.
- 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
PC version details
- DRM
- None declared on Steam
- Controller
- Keyboard and mouse
- Platforms
- Windows, macOS
- Achievements
- 11
- Steam features
- Workshop, Cloud saves, Family Sharing
- Languages
- Text only: English, German, French, Italian, Spanish - Spain, Japanese, Portuguese - Portugal, Russian, Turkish, Portuguese - Brazil, Spanish - Latin America, Korean, Simplified Chinese, Traditional Chinese.
Does Behind Glass: Aquarium Simulator use AI-generated content?
No AI-generated content is disclosed on the game's Steam page.
Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 25, 2026. How to filter AI games on Steam
Tags
- Underwater
- Realistic
- Relaxing
- Life Sim
- 3D
- Nature
- Farming Sim
- Idler
- Incremental
- Education
- Submarine
- Building
- Physics
- Open World
- Simulation
- Casual
Recent updates
- Jun 3, 2024 · A Crabby Update
- Jul 4, 2023 · Update notes 04/07/2023
- Apr 14, 2023 · Fixes and additions
- Jan 16, 2023 · Update notes 16 January 2023
- Dec 9, 2022 · Update notes 09/12/2022
2 DLC available.