Underplayed Gems

Behind Glass: Aquarium Simulator (2025)

Behind Glass: Aquarium Simulator cover
Developer
BitBros Inc
Platforms
Windows, macOS
Genres
Casual, Indie, Simulation
Rating
4.7 of 5, 409 player ratings
Typical playtime
about 5.4 hours
Where to get it
Steam

How it feels

A gentle, hands-on fish-keeping sandbox that invites creative relaxation while building and observing a peaceful underwater world.

relaxingcalmingcreativeimmersivemeditativefamily friendlyeducationalidle

What players say

Players praise the realistic fish behavior and the ability to breed fish. They love the axolotl and jellyfish DLC, but many want shrimp, snails, and more tank decorations. Some find the tanks too restrictive even in sandbox mode.

Screenshots

Behind Glass: Aquarium Simulator screenshot 1Behind Glass: Aquarium Simulator screenshot 2Behind Glass: Aquarium Simulator screenshot 3Behind Glass: Aquarium Simulator screenshot 4Behind Glass: Aquarium Simulator screenshot 5Behind Glass: Aquarium Simulator screenshot 6

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