Behind Glass: Aquarium Simulator

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Behind Glass: Aquarium Simulator is a single player casual simulation game. It was developed by BitBros Inc and was released on January 8, 2025. It received very positive reviews from players.

"Behind Glass: Aquarium Simulator" is a PC game that allows players to design and simulate their own aquariums with lifelike fish, crabs, plants, and decorations. The game features a 3D aquarium engine, realistic 3D effects, and the ability to display the aquarium on a secondary screen. Players can choose from 102 species of fish and crustaceans, create hybrid species in the crossbreeding lab, and share their creations on the Steam Workshop.

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Play Modes

Single-Player

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95%

Audience ScoreBased on 250 reviews

graphics22 positive mentions

grinding2 negative mentions

The game features stunning graphics and realistic animations, making it visually appealing and immersive.
It offers extensive customization options for aquariums, including a wide variety of fish species and decorations, allowing for creative freedom.
The dual gameplay modes (Designer Mode and Simulation Mode) cater to different player preferences, providing both a relaxing experience and a more in-depth management simulation.

Some players feel the game lacks depth in terms of realistic fish behaviors and interactions, with many species behaving similarly.
There are requests for more content, including additional fish species, plants, and features like breeding and more realistic water chemistry management.
The user interface can be unintuitive at times, making it difficult to navigate and manage tanks effectively.

graphics
38 mentions Positive Neutral Negative
58%
34%
8%
The graphics in this aquarium simulator are widely praised for their stunning quality, realistic fish behavior, and lifelike water physics, creating a visually captivating and tranquil environment. Many users highlight the beautiful animations and customizable lighting, making it one of the most graphically impressive aquarium simulators available. While some critiques mention minor issues and a desire for more content, the overall consensus is that the visuals significantly enhance the gaming experience.
- “From the moment you start behind glass, the visual presentation captures your attention with its high-quality 3D graphics and lifelike water physics.”
- “The stunning graphics bring each fish to life, while the extensive species roster includes all the classic favorites you'd expect.”
- “The realism captured by the graphics and animation is fantastic, and the features and options for customization allow for endless hours of enjoyment.”
- “Meh, not great. The visuals are good, but not as good as what's shown. There's a lack of content; I suppose it is a sandbox, but really there's nothing to do at all. I'm unsure if you can breed fish; I know there's a combination thing, but you can't seem to raise fry, and there's no story or goal or even currency to slowly improve.”
- “There is always a risk of getting ETS2, where in 10 years neither modern graphics nor real simulation appeared, in fact.”
- “The graphics in 1080p are fine, but I would like to see better anti-aliasing in the future; it's not terrible.”
music
17 mentions Positive Neutral Negative
35%
47%
18%
The music in the game is widely praised for its relaxing and soothing qualities, enhancing the overall experience of creating and observing virtual aquariums. Players appreciate the option to play their own music in 2D mode, although some have noted difficulties in managing the music settings. Overall, the calming soundtrack complements the game's aesthetic and is a significant aspect of its appeal.
- “The music is quite relaxing!”
- “The background music is soothing and is nice to aquascape to.”
- “This simulation (if you like fish) will give your creative mind something to chew on, while you relax and enjoy the peaceful music and the visual masterpiece you create.”
- “- Music and sounds are difficult to turn off and on; they are also not pleasant.”
- “- 2D mode music keeps playing unless you untick the box before closing the game.”
- “- Add more music sounds.”
gameplay
12 mentions Positive Neutral Negative
25%
50%
25%
The gameplay of the aquarium simulator is highlighted by its impressive visual design and extensive customization options, offering dual modes that enhance player experience. While some users appreciate the in-depth simulation mechanics, they note a lack of realism in certain gameplay elements, such as the absence of mechanical objects like filters and heaters, which could improve immersion. Overall, the game stands out in its niche but could benefit from additional realistic features.
- “Its impressive visual design, extensive customization options, and dual gameplay modes make it a standout title in the niche genre of aquarium simulators.”
- “I know a lot of people don't like not being able to access all the content straight away, but surely that is what sandbox mode is for. It wouldn't hurt to have gameplay elements, and that is why Aquarist is my favorite fish game. Plus, it has a mind-boggling amount of coral, and you can even breed and focus on the coral. It is not as accurate and real to life as this sim by the looks of it, but it does still have basic heating, pH, and compatible plants and species, plus overpopulation and sickness. But this is more real to life by the looks of it.”
- “Behind Glass is prettier; Aquarium Designer has better gameplay.”
- “Even if they don't add anything to gameplay, the ambiance and the look just feel like they are missing something without the water filters and whatnot on the tank.”
- “Currently, there are no mechanical objects like filters/scrubbers, heaters, etc. Again, you don't have to actually maintain the aquariums, but it would be nice to have some of those objects even if they were just for show.”
- “I would say the game isn't all too realistic gameplay-wise.”
story
11 mentions Positive Neutral Negative
27%
46%
27%
The story aspect of the game is largely criticized for its predictability and lack of depth, with many players noting the absence of a compelling narrative or clear goals. While some characters are endearing, the overall experience feels limited and uninspired, leading to a sense of boredom due to the lack of engaging content or progression. Players express a desire for a more developed storyline that incorporates realistic elements like breeding and selling fish.
- “The story was a bit predictable at times, but still pretty enjoyable, and I got really attached to some characters like Fish and Crab.”
- “The game has a short story campaign that adds depth to the gameplay.”
- “Most of the games I have played in the past were quite cartoonish in graphics, and you have to complete tasks and quests to advance to other tanks and fish, which makes it seem more like a job.”
- “Meh, not great. The visuals are good, but not as good as what's shown. There's a lack of content; I suppose it is a sandbox, but really there's nothing to do at all. I'm unsure if you can breed fish. I know there's a combination thing, but you can't seem to raise fry, and there's no story or goal or even currency to slowly improve.”
- “- Doesn't have any goals or story to keep players invested for long periods of time.”
- “- Has a short story campaign.”
grinding
4 mentions Positive Neutral Negative
25%
25%
50%
Players appreciate that there is no grinding required for basic decorations, as everything is unlocked from the start. However, some users express that extensive grinding may still be necessary for other aspects of the game, suggesting a mixed experience with the grinding element.
- “Everything's unlocked from the start too, so no grinding for basic decorations.”
- “You'll need a second life for grinding.”
- “Forget about grinding or locked content — everything is available right from the start.”
optimization
3 mentions Positive Neutral Negative
100%
The game is praised for its excellent optimization, ensuring smooth performance and a seamless gaming experience.
- “The optimization in this game is impressive, making for a smooth and enjoyable experience.”
- “I love how well the game runs on my system; the optimization is top-notch!”
- “The developers have done a fantastic job with optimization, ensuring that even lower-end machines can run the game seamlessly.”
humor
2 mentions Positive Neutral Negative
100%
The humor in the game is highlighted by the amusing behaviors of fish, such as neon tetras swimming in groups and catfish sinking to the ground, as well as the comedic potential of creating bizarre hybrids in the breeding lab.
- “You can also create some pretty funny abominations using the breeding lab.”
- “I find the fish movement to be pretty accurate; for example, neon tetras swim in groups but also go out of their way sometimes, which is pretty funny. Catfish mostly sink to the ground or stick to the walls.”
stability
2 mentions Positive Neutral Negative
100%
Users have reported stability issues, including glitches related to item management and freezing during simulation mode, which detracts from the overall gameplay experience. There is a desire for features like an "item reset" button to address these problems.
- “Because of glitches with escaping items, I would really love an 'item reset' button.”
- “I also can't seem to play simulation mode as it freezes for me unfortunately.”
monetization
1 mentions Positive Neutral Negative
100%
The monetization aspect of the game is positively highlighted, as players appreciate the cross-platform availability and the promotional advertisements that encourage them to engage with the game on different devices.

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2h Median play time

2h Average play time

2-2h Spent by most gamers

*Based on 1 analyzed playthroughs

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Frequently Asked Questions

Behind Glass: Aquarium Simulator is a casual simulation game.

Behind Glass: Aquarium Simulator is available on PC, Mac OS and Windows.

On average players spend around 2 hours playing Behind Glass: Aquarium Simulator.

Behind Glass: Aquarium Simulator was released on January 8, 2025.

Behind Glass: Aquarium Simulator was developed by BitBros Inc.

Behind Glass: Aquarium Simulator has received very positive reviews from players. Most players liked this game for its graphics but disliked it for its gameplay.

Behind Glass: Aquarium Simulator is a single player game.

Similar games include Aquarium Designer, Fish Game, Fishery, Megaquarium, Aquarist and others.

Behind Glass: Aquarium Simulator

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