Single-player games like My Aquarium
Below are 13 single-player Steam games similar to My Aquarium, 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 My Aquarium page.
Ranked picks
- 1
Isopod Keeping Simulator
Single-player alternative to My Aquarium — playable solo, no multiplayer required. Shares Simulation and Casual with My Aquarium.
Grow, feed and care for your colony of adorable isopods in this realistic semi-idle simulator. Watch your isopods multiply and split or sell your colony if they become too numerous. Created by the Kunstaat community, 100% of our proceeds support charity!
- 2
Suizokukan Project
Single-player alternative to My Aquarium — playable solo, no multiplayer required. Shares Simulation and Casual with My Aquarium.
Turn your desktop into an aquarium! Fish, collect, earn, and decorate your aquarium. Suizokukan Project makes for the perfect companion while you do menial work in your computer.
- 3
Wing It
Single-player alternative to My Aquarium — playable solo, no multiplayer required. Shares Indie and Simulation with My Aquarium.
Wing It is a relaxing simulation game where you build and manage a bird sanctuary. Discover, care for, and unlock diverse bird species, customize your haven with unique decor, and explore new locations to expand your sanctuary. Create a paradise for your feathered friends!
- 4
Behind Glass: Aquarium Simulator
Single-player alternative to My Aquarium — playable solo, no multiplayer required. Shares Indie and Simulation with My Aquarium.
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!
- 5
Tiny Pasture
Single-player alternative to My Aquarium — playable solo, no multiplayer required. Shares Indie and Simulation with My Aquarium.
Meet your new little desk buddies! They’ll snooze, scratch, and scamper around while you work or study (don’t worry, they’ve been trained not to invade your workspace). If you’re good at animal management, they will occupy the bottom of your screen with different kinds and colors!
- 6
Loafing Town
Single-player alternative to My Aquarium — playable solo, no multiplayer required. Shares Indie and Simulation with My Aquarium.
A relaxing and humorous idle god simulator that stays at the bottom of your screen or on a second monitor while you do other things. With physics-based dragging interactions, it feels just like playing with desk toys.
- 7
Ant Keeping Simulator
Single-player alternative to My Aquarium — playable solo, no multiplayer required. Shares Simulation and Casual with My Aquarium.
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
Eggo
Single-player alternative to My Aquarium — playable solo, no multiplayer required. Shares Indie and Simulation with My Aquarium.
Raise your baby, get married, and hatch eggs with friends right on your desktop! Start with a single egg and nurture Eggo into your special companion. Let it search for treasures from different planets on your desktop and keep you company. Dress your Eggo and even date your friends'. Play with Eggo!
- 9
Duncrush
Single-player alternative to My Aquarium — playable solo, no multiplayer required. Shares Indie and Casual with My Aquarium.
Duncrush is a clicker RPG where you defeat monsters by clicking and conquer a variety of dungeons. Collect gold, weapons, shields, and accessories to power up your hero and create your own strategy with the skill tree. Battle stronger enemies and clear challenging dungeons!
- 10
Shooting Donut
Single-player alternative to My Aquarium — playable solo, no multiplayer required. Shares Indie and Casual with My Aquarium.
'Shooting Donut' is an addictive puzzle game with 100 diverse stages, where you shoot donuts to break candies. Utilize 4 items strategically to clear the levels.
- 11
Necromancer's Revenge
Single-player alternative to My Aquarium — playable solo, no multiplayer required. Shares Indie and Casual with My Aquarium.
Summon the Dark Lord for revenge! This game combines survival and roguelite elements, where you summon monsters and place totems to defeat monsters and take down the Dark Lord!
- 12
Mine It All!
Single-player alternative to My Aquarium — playable solo, no multiplayer required. Shares Indie and Casual with My Aquarium.
Mine everything you see on the screen! A block-mining game focused on upgrades, automation, and endless progression across diverse biomes.
- 13
Spell Knight: Abyss Cleaver
Single-player alternative to My Aquarium — playable solo, no multiplayer required. Shares Indie and Casual with My Aquarium.
Descend into the dark abyss and wipe out endless hordes of monsters. Wield powerful weapons as a magic knight and enjoy the thrill of rapid growth.