ModsBehind Glass: Aquarium Simulator
Behind Glass: Aquarium Simulator mods
A mod changes the game itself. It needs something to load it, it may need other mods first, and it only works on the versions its author built it for.
159 mods, most downloaded first · newest update 25 Jul 2026
- MicroOceanby RobertMy firs Reefscape type tank.45 downloadsupdated 5 y ago
- JAPANESE GREAT BARRIER REEFby 76561198340122601wow LEGENDARY AISIAN REEF TANK45 downloadsupdated 19 mo ago
- Discus Biotope - Simulation Modeby Big Bad NonjaBiotope Tank with assortment of new Discus breeds. Simulation mode. All water chem specs are set for plants and creatures.45 downloadsupdated 4 y ago
- XM | 4g 'Micro-Reef Companion' 8.9.12by Xmangamrsmall but powerful reef shelf that acts like a roommate companion; cloneable; includes: Blue-flag Angel Fire Angel Black Thread Shark Sailfin Mandarin Lionfin Catfish Coral Majestic Beauty note* the tank is turned with the tank side facing outward instead of the lengthwise facing outward-possible...45 downloadsupdated 4 y ago
- Rocky formationby Soybeanfresh water rock formation45 downloadsupdated 22 mo ago
- Dark Lucidityby 4Chi44 downloadsupdated 13 mo ago
- The Witcher Themeby force3001The Witcher 3 theme tank44 downloadsupdated 5 y ago
- Center Caveby ElevenAquascape 150x90x5044 downloadsupdated 4 y ago
- XM | 150g 'Wicked Woods' 50.39.18by Xmangamrhybrid fresh /salt tank43 downloadsupdated 4 y ago
- AirRathul Cute Easterby AirRathulHappy Easter43 downloadsupdated 5 y ago
- Undersea Cavernby 76561198401279181Saltwater tank with custom background43 downloadsupdated 5 y ago
- Lost Elephantby kiwitothe elephant's skull is a cave for happy fish.le crâne d'éléphant est une super cachette pour les heureux poissons.43 downloadsupdated 5 y ago
- Blu Angelsby 76561199582135577Angels in Blue43 downloadsupdated 16 mo ago
- shipwreckby ShimmyDance42 downloadsupdated 4 y ago
- Catacombesby mppc2001Inspired by IAPLC 'TOP OF THE WORLD 2021' #07 Juan Puchades42 downloadsupdated 4 y ago
- Nano Tankby 76561199222867670Beautiful Nano Tank42 downloadsupdated 5 y ago
- New Aquarium 2by Spora42 downloadsupdated 3 mo ago
- Large Saltwater - Long & Short Reefby GustangLarge Saltwater - Long & Short Reef. Copy/Modify at will.42 downloadsupdated 12 mo ago
- characinidae new fish 2026 (last update)by Olegovi411somewhere in black water river42 downloadsupdated 4 mo ago
- Tropical Reefby 7656119840504221842 downloadsupdated 16 mo ago
- Blackwater riverby Olegovi411blackwater river with amazon fish41 downloadsupdated 3 y ago
- Wilde Gewässerby 76561198807603178Ein Paradies für kleine Fische41 downloadsupdated 4 y ago
- Forestby 76561199201886906A natural community tank40 downloadsupdated 9 mo ago
- GM Piranhaby mppc2001Like it says on the tin, Genetically Modified Piranha39 downloadsupdated 4 y ago
- Grottoby KixLienA tall grotto aquarium.39 downloadsupdated 5 y ago
- Wonderwaterby 76561198429694867First creation that I am quite happy about. So Enjoy!39 downloadsupdated 9 mo ago
- Kiwito bambu hutby kiwitoaqurium with a small bamboo hut38 downloadsupdated 5 y ago
- JAPANESE SAKURAby 76561199761841812JAPAN AND SAKURA38 downloadsupdated 20 mo ago
- Dschungelby IronNightKnightverlorene Stadt38 downloadsupdated 16 mo ago
- reef scapeby 7656119883424261137 downloadsupdated 4 y ago
- Deep Blueby r4mm4rMein erster Versuch die Tiefe des meeres zu simulien. Hoffe es gefällt Euch.37 downloadsupdated 5 y ago
- Salt water 2by 76561198420091331Lush Sea scape37 downloadsupdated 5 y ago
- Salt Water Reef 1by ZidakenFirst Salt Water Tank37 downloadsupdated 3 y ago
- Nemo's and Doris Paradiseby 76561198807603178here a paradise was created for the most famous fish from disney. i hope you like it.37 downloadsupdated 4 y ago
- My Dadby Leaf37 downloadsupdated 3 y ago
- Angelfish tankby 76561198974838373made by Shako36 downloadsupdated 5 y ago
- Quiet orange seaby 76561198868970344My first aquarium, I hope you like it :)36 downloadsupdated 5 y ago
- Natures Bestby 76561198826234650Like the title says...36 downloadsupdated 21 mo ago
- Icelandicby 76561199026528676Freshwater environment with an additional special breed: Black Cardinal.35 downloadsupdated 3 y ago
- A nice Bamboo Tank w/ a twistby 76561199063076170Ah look a nice baboo forest style tank, wait something looks a little off...35 downloadsupdated 5 y ago
- XM | 201g 36 Cube 'The Joshua Tree Hybrid'by Xmangamrsalt water terrain included: Sunshine Tang Blu Banded Butterfy Angel Blue Flag Angel Black Spotted Dotty Tribal Butterfly White Tidal Clownfish Blue Back Tang35 downloadsupdated 4 y ago
- barb aquariumby Olegovi411fantasy of theme Asian fish35 downloadsupdated 18 mo ago
- pantanal2by Olegovi411fantasy biotope haracinidae35 downloadsupdated 3 y ago
- Dark SpikesThird aquarium35 downloadsupdated 4 mo ago
- new fantasy 2025by Olegovi411new fantasy 202534 downloadsupdated 22 mo ago
- South America Tankby SnorkelFreshwater, tetras, suckerfish, plants, all from South America (I think)34 downloadsupdated 4 y ago
- Neues Aquarium 2by Günter33 downloadsupdated 5 y ago
- tetrasby Olegovi411tank with characinidae33 downloadsupdated 2 y ago
159 mods, most downloaded first. Each one has its own page here with what it needs to run and where its author publishes it; the files themselves stay with the author and are never re-hosted on this site.