Screenshots
Description
Idle Fish Aquarium Mod APK is an enjoyable strategy game with lively gameplay. It gives you a space to build and grow your own oxygen production and sales operation.
Idle Fish Aquarium puts you in charge of a factory filled with modern technology and advanced production lines as you build your aquarium empire. Your little ocean is home to many charming, colorful fish, and the fish you keep will produce the oxygen. The game uses simple 2D graphics with a fun, cute cartoon style. The animations run very smoothly, and the gameplay is highly engaging.
Manage Your Special Production Line
In this game, you manually run the oxygen production line that draws on fish and algae. Algae generate oxygen bubbles, and the fish carry them into the machine, where they are turned into oxygen tanks. Your job is to wake the fish up and get them to work by tapping the screen so they gather oxygen. When you're busy or simply don't have time to play, you can let the fish collect automatically, which is quick and efficient. You can gather various resources anytime and anywhere, expanding your empire to earn plenty of money.
Many Fun Fish Species to Discover
Fish play a key role in moving oxygen from the algae, and you can choose from many species to put to work under your control. The game features everyday favorites such as goldfish and clownfish, along with fish with playful, unusual shapes like pizza fish, panda fish, and more. Each species has its own work productivity, so you'll need to put in effort to unlock higher levels for them.
Upgrade Your Factory
To produce more oxygen, you need to upgrade your production line. Upgrades also help you earn more money and work more efficiently. The products you create will be of higher quality than before, which speeds up your progress toward profit. Deliver your products to partners and collaborate with them to grow your production model.
Key Features
- Decorate your aquarium with a wide variety of decorations. The more beautiful the decoration, the higher its price, so weigh your options carefully to stay within your budget.
- Upgrade production plants: invest in equipment to raise your production lines to a higher level and make your products better than ever.
- Choose from many adorable fish, each with a working capacity that depends on its level. They help you earn plenty of money to expand your automated line.
- Produce oxygen from fish and algae, transport it to oxygen tanks, and sell to partners who need it. Work with them to scale up your production even further.
- The game is simple and idle-friendly. If you don't have time to play, your fish can collect automatically, and they still gather resources for you at any time.
How to install
- Download the APK file above to your phone.
- Allow “Install unknown apps” when prompted.
- Open the downloaded APK and tap Install.
- If the package includes OBB/XAPK data, follow the bundled instructions.
MOD APKs are modified builds, so Play Protect may show a warning. Install only if you trust the file; use at your own risk.



