Fish Idle 2: Underwater Mystery
Dive into the most fun idle fishing arcade game! Manage your Fish Kingdoms with automated fishing, upgrade your boat and gear, invest in passive income, and outsmart the market. Become the ultimate fish tycoon!
- Release Date:11/15/2024
- Developer:Multicast
- Publisher:MulticastGames
- Last Updated:4/23/2025
- Steam App Id:3037410
Fish Idle 2: Underwater Mystery
- Windows
- Mac
- Linux
- Steam Deck (Playable)
Steam Charts, Stats, and Live Player Count
At the moment, Fish Idle 2: Underwater Mystery has 3,589 concurrent players online and in-game. This is 8% lower than its previous all-time peak of 3,883 players achieved on 4/24/2025.
Fish Idle 2: Underwater Mystery Review
Fish Idle 2: Underwater Mystery has achieved a Steambase Player Score of 69 / 100. This score is calculated from 981 total reviews on the Steam store — giving it a Mixed rating. These are split between 676 positive reviews, 305 negative reviews, and will be updated in real-time as more players leave their feedback.
Track historical reviews and overall rating trends for Fish Idle 2: Underwater Mystery using the chart below.
Fish Idle 2: Underwater Mystery DLC
Fish Idle 2: Underwater Mystery has 1 downloadable add-on available for purchase on Steam which is Fish Idle 2: Underwater Mystery - Welcome Pack.
| Image | Name | Type | Release Date | Actions |
|---|---|---|---|---|
 | Fish Idle 2: Underwater Mystery - Welcome Pack | DLC | 3/1/2025 | View |
About Fish Idle 2: Underwater Mystery
Fish Idle 2: Underwater Mystery is an Indie, Casual, Adventure, and Free to Play game developed by Multicast. On 11/15/2024, it was released on the Steam Store by MulticastGames.
It can be played and ran on Windows systems. At the moment, it is possible to play Fish Idle 2: Underwater Mystery on the Steam Deck but some functionality may not be fully supported.
It also supports 6 languanges in-game including English, Spanish (Spain), German, Korean, and Russian. Each language comes with varying levels of support for the in-game interface, audio, and fully translated subtitles.
According to Steam’s category system, Fish Idle 2: Underwater Mystery supports the following features:
- Family Sharing
- Single-player
From the Steam community, Fish Idle 2: Underwater Mystery has been tagged with the following user tags:
- Idler
- Atmospheric
- Free to Play
- 3D
- Naval
- Linear
- Fishing
- Trading
- Cute
- Arcade
- Resource Management
- Open World
- Top-Down
- Point & Click
- Indie
- Casual
- Relaxing
- Adventure
- Singleplayer
- Score Attack
Media & Sceenshots
Watch the featured video for Fish Idle 2: Underwater Mystery and see the latest screenshots from the Steam Store.
Related Packages
Fish Idle 2: Underwater Mystery is referenced by 1 package in the Steam Store.
| Name | Price | Actions |
|---|---|---|
| Fish Idle 2: Underwater Mystery | $3.74 | View |
Supported Languages
Fish Idle 2: Underwater Mystery 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 | No |
| Spanish (Spain) | Yes | No | No |
| German | Yes | No | No |
| Korean | Yes | No | No |
| Russian | Yes | No | No |
| Japanese | Yes | No | No |
More Steam Charts
Track historical trends for Fish Idle 2: Underwater Mystery community hub members and its growth over time. It currently has 906 followers in its community.
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.
Fish Idle 2: Underwater Mystery data has been sourced from:
- Valve Corporation. (2025, April 23). Fish Idle 2: Underwater Mystery on Steam. Steam Store. https://store.steampowered.com/app/3037410
- Valve Corporation. (2025, April 23). Fish Idle 2: Underwater Mystery. Steam Community Hub. https://steamcommunity.com/app/3037410