Single-player games like Behind Glass: Aquarium Simulator
Below are 8 single-player Steam games similar to Behind Glass: Aquarium Simulator, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Behind Glass: Aquarium Simulator page.
Ranked picks
- 1
Aquarium Designer
Single-player alternative to Behind Glass: Aquarium Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Behind Glass: Aquarium Simulator.
Aquarium Designer gives you an opportunity to create the aquarium of your dreams! Become a professional whose job is to design it, build it, and fill it with the various underwater wildlife! All types, all sizes - your creativity is your only limit!
- 2
Tiny Aquarium: Social Fishkeeping
Single-player alternative to Behind Glass: Aquarium Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Behind Glass: Aquarium Simulator.
A happy aquarium that lives at the bottom of your screen! Tiny Aquarium is a social idle simulator that keeps growing, even when offline. Hatch, sell fish, decorate, go fishin’, and visit your friends’ aquariums with bite-sized daily sessions.
- 3
Fish Game
Single-player alternative to Behind Glass: Aquarium Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Behind Glass: Aquarium Simulator.
Fish Game is a detailed and highly “sofishticated” freshwater aquarium simulator, lovingly crafted *by* enthusiasts *for* enthusiasts! Featuring fish with personalities and dynamic relationships, water quality modeling, and so much more! Made with support from our friends at Smarter Every Day!
- 4
Joyquarium
Single-player alternative to Behind Glass: Aquarium Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Behind Glass: Aquarium Simulator.
Joyquarium is a relaxing casual fish-raising game. Buy various cute fry and sell them at a high price after they grow up. With the money you earn, you can purchase aquatic plants, driftwood, scenery stone, etc. to decorate your tank (you can freely adjust the color, size, and position).
- 5
Fantasy Aquarium
Single-player alternative to Behind Glass: Aquarium Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Behind Glass: Aquarium Simulator.
Fantasy Aquarium offers an effortless way to enhance your gaming experience. You can nurture a diverse range of small fish with unique characteristics and construct a vibrant fantasy world from scratch, transforming mundane fish-keeping into an engaging pursuit.
- 6
Chillquarium
Single-player alternative to Behind Glass: Aquarium Simulator — playable solo, no multiplayer required. Shares Simulation and Casual with Behind Glass: Aquarium Simulator.
Chillquarium is a cozy and relaxing idle game. Buy fish and raise them in real time, then sell them to turn a profit! Customize your aquarium as you progress from a simple starter tank to your dream setup by filling your collection with rare exotic fish and ultra-rare color variants!
- 7
Ant Keeping Simulator
Single-player alternative to Behind Glass: Aquarium Simulator — playable solo, no multiplayer required. Shares Simulation and Casual with Behind Glass: Aquarium Simulator.
Grow, feed and care for your colony of mighty ants in a realistic semi-idle simulation of ant keeping. Created in collaboration with ant keeping enthusiasts, Ant Keeping Simulator will be an accurate experience to ant keepers.
- 8
FISHERY
Single-player alternative to Behind Glass: Aquarium Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Behind Glass: Aquarium Simulator.
Fishery is a stylized aquarium simulation game. Harness your creativity to build and maintain beautiful aquatic habitats. Then relax and watch your beautiful fish enjoy their home.