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Deep Sea Fish: Hidden World

Deep Sea Fish: Hidden World

by Althea Games

Price N/A
Avg Players 4
Released Jun 4, 2026
2D2D PlatformerArcadeCasual
View on Steam ↗

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Cast your line into the abyss to catch increasingly rare fish and unlock upgrades that deepen your ocean exploration. This short incremental game offers a relaxing progression system with minimal time commitment, though its linear skill tree and lack of endgame content may leave players seeking long-term depth wanting more.

About this game

What players are saying

▼ Not recommended 2 hrs
First 30 mins are fun but as you progress it gets quite boring because:

Linear Skill Tree
You don't get more powerful
Higher Tier fishes don't give more money when upgrading base fish value
...

When you finish the game (the skill tree) there is literally nothing. Not even an achievement?
4 found helpful Steam ↗
▼ Not recommended 0 hrs
Boring...
2 found helpful Steam ↗
▲ Recommended 2 hrs
A relaxing game with cheap price, cool upgrade mechanic, does not require you to spend a lot of time to progress, chilling music.
10/10 very recommend.
Still have a lot of room for growth so i looking forward to future update.
1 found helpful Steam ↗

Reviews are by Steam users, hosted on Steam.

Latest updates

[Deep Sea Fishing] Patch Notes - Update 1.2.3: Global Localization Overhaul

5 days ago
Hello Captains! 🎣 First of all, a huge thank you to everyone who has supported our cozy fishing journey since launch! In today's Update 1.2.3, we have pushed a comprehensive localization overhaul to ensure the game feels truly native, professional, and smooth across multiple languages. 🛠 Update Details: - Language Polish: Completely reviewed and refined the translation, replaced generic phrasing with native gaming terminology to better fit the sub-genre and tone of the game. - Stat UI & Terminology Standardization - Glow-up UI Layouts Thank you for being part of this adventure. Happy fishing, and have a blast! 🚀🔥

Steam Deck Patch Update

11 days ago
We have just uploaded a small patch that fixes an issue where achievements were not unlocking correctly while playing on Steam Deck.Please update the game and enjoy the improvement.If you encounter any issues or have suggestions for the game, please don't hesitate to let us know.Thank you for your support!

Hotfix 1.2.1:

13 days ago
Hello everyone, Thanks for your enthusiastic feedback. I have just uploaded Hotfix 1.2.1: Fixed a bug where the multilingual translation save file made it impossible to enter the game when you reached a higher progression level. Don't forget to let me know if you found any issues. Have fun playing! (Build ID: 23585450)

Posts come from Steam's official announcements feed.

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