
Screenshots

Watch trailer on Steam ↗Deep Sea Fish: Hidden World
Althea Games · Published by Althea Games
Mostly Positive — 74% positive (53 reviews) · 25 achievements
Last updated 28 Sept 2026
A short incremental fishing game where you catch fish, earn gold, and unlock powerful upgrades to explore the deep sea.
£3.59
Lowest price we've ever recorded
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Price history
Indie, Strategy, Casual · 2026 · More under £5 games
About this game
Cast your line into the deep blue sea and begin a relaxing fishing journey full of surprises, upgrades, and mysterious creatures hidden beneath the waves.
Start simple: catch fish, earn gold, and enjoy a calm and satisfying fishing experience. As your collection grows, you’ll unlock powerful upgrades that transform your journey from peaceful fishing into an exciting ocean adventure.
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Discover new abilities, improve your fishing power, increase your rewards, and dive deeper into unknown waters. The deeper you go, the stranger the ocean becomes…
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Something is waiting in the dark.
Hidden in the depths are mysterious sea creatures capable of swallowing everything in their path. What begins as a relaxing fishing trip slowly turns into a chaotic and rewarding spectacle filled with explosions, lasers, lightning, and massive catches.
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Features:
-Unlock 250+ upgrades across multiple upgrade trees
-Fish, earn gold, and relax
-Unlock powerful upgrades and grow stronger
-Discover mysterious deep-sea creatures
-Chain explosions, lasers, and electric effects
-Relaxing atmosphere mixed with chaotic fun
-Watch the ocean evolve as you progress
Relax and have a blast.
System Requirements
Will my PC run this? →Minimum
- OS: Windows 10 64-bit
- Processor: Intel Core i5-6600 or equivalent
- Memory: 8 GB RAM
- Graphics: NVIDIA GTX 970 / AMD RX 570
- DirectX: Version 11
- Storage: 10 GB available space
Supported Languages
Latest news
AnnouncementsOfficial
🎣🌊 NEW DLC AVAILABLE NOW! 🌊🎣
Deep Sea Fish: Hidden World - Supporter Pack is here!Add more variety and charm to your deep-sea journey with a brand-new content pack designed for explorers who want even more to discover beneath the waves.✨ Included in the Supporter Pack:Giant Fish Shadows – encounter massive silhouettes lurking in the depthsLuxury Cruise Ship – a stunning new vessel to spot and exploreExclusive Custom Cursor – personalize your adventureNew Support Boat – expand your exploration options with a brand-new support vesselWhether you're hunting for rare sightings or simply enjoying the atmosphere of the ocean depths, this DLC brings fresh visuals and exciting additions to your underwater adventure.Dive deeper. Discover more. Explore the hidden world beneath the waves.Get the Deep Sea Fish: Hidden World - Supporter Pack today!Read full article on Community Announcements (Fenj)Patch NotesOfficial
[Deep Sea Fishing] Patch Notes - Update 1.2.3: Global Localization Overhaul
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! 🚀🔥Read full article on Community Announcements (Fenj)Patch NotesOfficial
Steam Deck Patch Update
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!Read full article on Community Announcements (Fenj)Patch NotesOfficial
Hotfix 1.2.1:
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)Read full article on Community Announcements (Fenj)Patch NotesOfficial
Deep Sea Fish: Hidden World - Update Notes v1.2
Hello everyone!This update mainly focuses on bug fixes and polishing existing features to improve the overall gameplay experience.Cloud SaveFixed several issues related to cloud save synchronization and data stability.AchievementsFixed achievements that could fail to unlock correctly.Improved achievement progress tracking and synchronization.Background UpdateAdded new background visuals to refresh the game's atmosphere.LocalizationCompleted localization support.Fixed various translation and text issues across supported languages.Other FixesGeneral bug fixes and stability improvements.Minor UI and quality-of-life adjustments.Thank you for playing Deep Sea Fish: Hidden World! More improvements and new content are coming in future updates.Read full article on Community Announcements (Fenj)






