Behind Glass: Aquarium Simulator similar games & best alternatives

Behind Glass: Aquarium Simulator

PC (Microsoft Windows), Mac • 2025

Should you play it?

Create stunning virtual aquariums on your PC! Our advanced 3D engine brings your fish tank to life with breathtaking realism, featuring lifelike fish, plants, decorations, and more. Transform your monitor into a vibrant, living aquarium. Virtual aquascaping has never been easier!

What works

  • Highly realistic fish animations and behavior
  • Extensive customization and creative freedom
  • Relaxing and immersive experience
  • Active developer support and frequent updates
  • Comprehensive simulation of water chemistry and tank management

Things to keep in mind

  • Limited fish and decoration variety currently
  • No multiplayer or social gameplay
  • Interface can be unintuitive or fiddly
  • Lack of narrative or structured goals
  • Some minor bugs and occasional ai glitches

What to play next

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Choose your own criteria ->

Last update: 02/11/2026