My Joyful Aquarium
My Joyful Aquarium is a relaxing game where you build your dream fish tank. Take good care of your fish’s comfort, upgrade their environment, and explore thousands of breeding possibilities. With offline progression, your aquatic world thrives even when you’re away! Ready to dive in?
Last Updated: 10/15/2025
| Steam Price | $6.99 |
| Release Date | 9/30/2025 |
| Franchise | Error300 Games |
| Developer | Error 300 |
| Publishers | |
| Steam App Id | 3338820 |
My Joyful Aquarium
My Joyful Aquarium is a relaxing game where you build your dream fish tank. Take good care of your fish’s comfort, upgrade their environment, and explore thousands of breeding possibilities. With offline progression, your aquatic world thrives even when you’re away! Ready to dive in?
Last Updated: 10/15/2025
- Windows
- Mac
- Linux
About My Joyful Aquarium
My Joyful Aquarium is a Casual, Simulation, and Early Access game developed by Error 300. On 9/30/2025, it was released on the Steam Store by Error 300, and Gamersky Games.
It can be played and ran on Windows, Mac, and Linux systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
It also supports 6 languanges in-game including English, Japanese, Korean, Polish, and Chinese (Simplified). Each language comes with varying levels of support for the in-game interface, audio, and fully translated subtitles.
According to Steam’s category system, My Joyful Aquarium supports the following features:
- Family Sharing
- Single-player
From the Steam community, My Joyful Aquarium has been tagged with the following user tags:
- Management
- Idler
- Sandbox
- Nature
- Hand-drawn
- Underwater
- Simulation
- Cute
- Time Management
- Cartoon
- Indie
- Early Access
- Casual
- Colorful
- Cartoony
- Singleplayer
- 2D
Media & Sceenshots
Watch the featured video for My Joyful Aquarium and see the latest screenshots from the Steam Store.
Related Bundles
My Joyful Aquarium is included in 1 bundle in the Steam Store. Purchasing through a bundle can give a large discount off the game's base price if you are willing to purchase multiple apps all at once.
| Image | Name | Apps | Packages | Price | Actions |
|---|---|---|---|---|---|
 | Error300 All-In Bundle | 27 | 27 | $94.77 | View |
Related Packages
My Joyful Aquarium is referenced by 1 package in the Steam Store. A package (or sub) is simply an item that can be purchased on Steam.
| Name | Price | Actions |
|---|---|---|
| My Joyful Aquarium | $6.29 | View |
Supported Languages and Localizations
My Joyful Aquarium is available in 6 different languages with varying levels of support for the in-game interface, audio, and fully translated subtitles.
| Name | Interface | Audio | Subtitles |
|---|---|---|---|
| English | Yes | No | Yes |
| Japanese | Yes | No | Yes |
| Korean | Yes | No | Yes |
| Polish | Yes | No | Yes |
| Chinese (Simplified) | Yes | No | Yes |
| Chinese (Traditional) | Yes | No | Yes |
Discover Similar Games
Find a new game to play just like My Joyful Aquarium through our curated lists. Steambase uses Steam's User Tag and Genre system (and other game stats) to curate a list of the best and most loved games similar to My Joyful Aquarium.
Genres
Features & Categories
Frequently Asked Questions
Soures & References
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Data is enriched, cleansed, verified, and updated in real-time to ensure we surface the most up-to-date information. Learn more about the Steambase approach to data collection.
My Joyful Aquarium data has been sourced from:
- Valve Corporation. (2025, October 15). My Joyful Aquarium on Steam. Steam Store.
- Valve Corporation. (2025, October 15). My Joyful Aquarium. Steam Community Hub.
- Error 300. (2025, January 17). My Joyful Aquarium. My Joyful Aquarium.