Behind Glass: Aquarium Simulator

Aquascape and enjoy your very own aquariums on your PC using Behind Glass: Aquarium Simulator.

Featuring our latest 3D aquarium engine, you can easily setup and enjoy the details of lifelike fish, crabs, plants, decorations, algae, and many more. Topped with realistic 3D effects, you might have trouble to distinguish between your monitor and a real aquarium.

Simply take a look at the screenshots and videos -- these aquariums are all setup with Behind Glass: Aquarium Simulator.

Use the windowed mode to enjoy your aquariums all the time on your first or second screen. We have included some beautiful sample aquariums to allow for a quick start and provide you with some inspiration. Use the Steam Workshop to show-off your virtual creations, and visit other scapes.

We currently feature 72 species of fish/crab (freshwater and saltwater), and various decorations. We have also included a Cross-breeding Lab, letting you create an "unlimited" amount of hybrid fish species. More and more content will become available with our regular updates.

Help us shaping the future of Behind Glass by sharing your feedback via the Steam forum, our Discord, or via e-mail. You can actually become a main influencer on our future development effort! To keep aquarists happy, we need expert aquarists' input!