Overview

Aquarium Party is a casual, relaxing game that puts you in charge of your own underwater world. Developed and published by NSN GAMES, this free-to-play title blends creature collecting with light resource management, all wrapped in a cute, heartwarming presentation.

You step into the role of an aquarium curator on a tropical island, where your main tasks are caring for adorable fish and expanding your collection.

The game is designed to be a soothing escape. Instead of high-pressure challenges, it focuses on the simple joys of watching your fish swim, decorating their habitat, and gradually filling your tanks with new species.

With over 1,000 types of fantasy cuties to discover, there's plenty of depth for collectors who enjoy a slow-burn progression.

Highlights

  • Idle & Relaxing Fish Keeping: The core loop is laid-back. You can check in on your aquarium, tend to your fish, and let the game run at your own pace. It's the kind of experience you can enjoy in short bursts or leave running in the background while you do other things.
  • Massive Collection of Fantasy Fish: The game promises more than a thousand unique creatures to collect. Each one has its own charm, and the thrill of discovering a new species keeps the collection aspect engaging.
  • Multiplayer & Social Features: While the game is primarily a solo relaxation experience, it includes multiplayer elements. You can connect with friends, visit each other's aquariums, and share the joy of fish keeping.

Who It's For

If you're a fan of cozy games like Animal Crossing or Neko Atsume, or if you enjoy idle games that let you progress without constant attention, Aquarium Party is likely to hit the spot. It's also a great choice for younger players or anyone looking for a stress-free gaming session.

The cute art style and gentle gameplay make it accessible to a wide audience, and the free-to-play model means you can try it without any upfront cost.

Game Info

  • Developer & Publisher: NSN GAMES
  • Platform: PC (Steam)
  • Release Date: October 22, 2026
  • Genre: Casual, Hobby Sim, Creature Collector, Cute, Relaxing, Resource Management
  • Modes: Single-player with multiplayer features
  • Languages: English, Traditional Chinese
  • Price: Free to Play (in-app purchases available)
  • Steam Features: Achievements, Family Sharing

Aquarium Party is a charming addition to the relaxing game genre. Its focus on collection and management, combined with a soothing underwater setting, makes it a delightful way to unwind.

Whether you're a seasoned collector or new to the genre, this game offers a gentle, rewarding experience. Check the Steam page for the latest details and dive into your own aquatic paradise.