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?
- Price:$6.99
- Release Date:9/16/2025
- Franchise:Error300 Games
- Developer:Error 300
- Publishers:
- Last Updated:1/6/2026
- Steam App Id:3338820
My Joyful Aquarium
- Windows
- Mac
- Linux
Steam Charts, Stats, and Live Player Count
At the moment, My Joyful Aquarium has 2 concurrent players online and in-game. This is 80% lower than its previous all-time peak of 10 players achieved on 9/16/2025.
Review History Chart
Track historical review trends and overall ratings for My Joyful Aquarium. It has received a total of 33 reviews on the Steam store and achieved a Player Score of 79 (Positive).
Community Hub Members & Followers Chart
Explore the cumulative breakdown of Steam community hub members for My Joyful Aquarium and its growth over time. It currently has 78 followers on its community page.
My Joyful Aquarium Price
My Joyful Aquarium costs $6.99 in the Steam store as of 1/6/2026. It can be purchased as a standlone game or through a bundle like Desktop Fishes & My Joyful Aquarium or Error300 All-In Bundle which offer a discount off the game's base price.
Explore the price history chart below to track historical price changes and other pricing stats for My Joyful Aquarium.
About My Joyful Aquarium
My Joyful Aquarium is a Casual, Simulation, and Early Access game developed by Error 300. On 9/16/2025, it was released on the Steam Store by Error 300, and Gamersky Games.
Players have rated My Joyful Aquarium as "Positive" out of 33 total reviews on the Steam Store. These are split between 31 positive reviews and 2 negative reviews — an overall 94% positive review rating.
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 2 bundles in the Steam Store.
| Image | Name | Apps | Packages | Price | Actions |
|---|---|---|---|---|---|
 | Desktop Fishes & My Joyful Aquarium | 2 | 2 | $11.68 | View |
 | Error300 All-In Bundle | 32 | 32 | $109.68 | View |
Related Packages
My Joyful Aquarium is referenced by 1 package in the Steam Store.
| Name | Price | Actions |
|---|---|---|
| My Joyful Aquarium | $6.29 | View |
Supported Languages
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 |
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 realtime 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. (2026, January 6). My Joyful Aquarium on Steam. Steam Store. https://store.steampowered.com/app/3338820
- Valve Corporation. (2026, January 6). My Joyful Aquarium. Steam Community Hub. https://steamcommunity.com/app/3338820
- Error 300. (2025, January 17). My Joyful Aquarium. My Joyful Aquarium. https://error300.com/