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About Joyquarium
Joyquarium is an idle simulation where players raise fish in a virtual tank. Fish can be grown manually or via an Auto‑AFK function, then sold as fry for money. Adult fish may remain in the tank to generate ongoing income, and players can purchase fry packs to unlock new species, including rare shiny variants.
The game offers soothing white‑noise background music and a stress‑free environment with no cleaning or water‑change mechanics. With 144 fish species, assorted plants, driftwoods, and decorative stones, players can arrange their aquarium while enjoying a calm, productive experience.
01 / THE GUIDE
Gameplay Mechanics
Players raise fish either by manual interaction or by enabling the Auto‑AFK function, which continues progress while idle. The core loop involves feeding fish, watching them scramble for food, and eventually selling the grown fry. The game does not require water changes or tank cleaning, focusing solely on feeding and observation. Income is generated both from selling fry and from adult fish that stay in the tank.
- Enable Auto‑AFK to accumulate progress while away.
- Regularly check fry growth to maximize selling opportunities.
02 / THE GUIDE
Fish Collection
Joyquarium features 144 fish species, with additional packs that unlock new, rare, and shiny variants. Some packs may even hatch a special Fish King. Collecting fish involves purchasing fry packs of various levels, which introduce new species and visual diversity to the tank.
- Invest in higher‑level fry packs to access rare variants.
- Arrange newly unlocked fish alongside existing ones for visual appeal.

03 / THE GUIDE
Income Generation
Money is earned by selling grown fry and by keeping adult fish in the tank, which generate a steady income stream. This dual approach allows players to balance short‑term sales with long‑term passive earnings. The game’s design encourages players to maintain a mix of growing fry and retaining adults for continuous profit.
- Balance fry sales with adult fish retention for consistent income.
- Monitor which fish generate the highest passive earnings.
04 / THE GUIDE
Audio & Visual Atmosphere
Joyquarium provides soothing white‑noise and relaxing background music, creating a calming environment for extended play sessions. The visual design includes a variety of aquatic plants, driftwoods, and decorative stones. Players can arrange these elements to personalize their aquarium, enhancing the tranquil experience.
- Play with background music enabled for maximum relaxation.
- Experiment with plant and stone placement to improve aesthetics.
05 / THE GUIDE
Platform & Features
Joyquarium is available on Windows and supports single‑player gameplay, Steam Achievements, Steam Cloud saves, and Family Sharing. No macOS or Linux versions are listed. These features allow progress to be saved across devices and shared within families, while achievements provide optional goals.
- Enable Steam Cloud to keep progress synced.
- Check the Achievements list for extra challenges.





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