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Sonorous | Deep Down Below

Game overview

Sonorous | Deep Down Below

SONOROUS – Deep Down Below is an unforgiving underwater first-person survival game set in a dystopian world. Find your sunken research to save humanity from an eternal life on the open sea in a continuous fight for survival.

Action Adventure Indie
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About this game Read the full description
The X-2HX virus, eradicated human life on inhabited soil forcing life on the open sea.

You play as Matthew Cole, a lead bioengineer working on “Sonorous” - a low frequency cure to eradicate the virus from the soil - alongside scientists from around the globe onboard the "Fortune", a floating military research facility.

The only problem – The "Fortune" got shipwrecked in the deep sea, with humanities only hope onboard.

You survived. Your mission: Stay alive and find a way to retrieve Sonorous in an everlasting battle against starvation, thirst and ruthless enemies!



FEATURES


Discover new environments, wildlife and resources as you step into the unknown and search for “Sonorous” in an open world - at land and especially underwater!


Craft weapons, food, resources, tools and much more to aid you in your survival.


Use discovered & crafted weapons to hunt a range of fish or use your skills to craft structures capable of supplying you with your needs!


Build and upgrade your base with a range of utilities such as firepits, storage units, tables and many more! You decide what, where and when to build!


Find nutrition, stay hydrated and limit your injuries. Defend yourself against roaming scavengers looting for resources and a range of wildlife and unknown creatures.


Fighting for survival will improve your abilities over time to go further and deeper, bringing you closer to finding “Sonorous.”

Player activity

Concurrent players over the last 48 hours.

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New Playtest for Sonorous Live! Sonorous Update February 2026 New Playtest live for Finnish Games Week 2025
System requirements Windows

Windows

Minimum

Minimum:
  • Requires a 64-bit processor and operating system
  • OS: Windows 10 (64bit versions only)
  • Processor: Intel Core i5-2300 | AMD FX-6350
  • Memory: 16 GB RAM
  • Graphics: NVIDIA GeForce GTX 1060 | RX 580 (6 GB VRAM or better)
  • DirectX: Version 11
  • Storage: 10 GB available space

Recommended

Recommended:
  • Requires a 64-bit processor and operating system
  • OS: Windows 10 (64bit versions only)
  • Processor: Intel Core i7-10875H | AMD Ryzen 7 5800H
  • Memory: 32 GB RAM
  • Graphics: NVIDIA GeForce RTX 3070 | AMD RX 6800 / 6GB Ram (6 GB VRAM or better)
  • DirectX: Version 11
  • Storage: 10 GB available space
Game details Languages, features & support
Publisher
HOONAYA
Brazilian rating
12
Steam Germany rating
12
Content warning
Animal Hunting and Weapon Use
Controller support
full
Features
Single-player, Full controller support, Family Sharing
Languages
English*, German
*languages with full audio support
Compatibility & accessibility Steam Deck, controllers & access features

Can I Play This?

Steam declarations and Valve's Steam Deck compatibility result. Missing data is shown as unknown, never unsupported.

Sources fresh
Native Steam builds
Windows: unknown
macOS: unknown
Linux: unknown
Steam Deck
unknown
Valve compatibility test
Input
Controller support: unknown
Structured language support (2)
LanguageInterfaceFull audioSubtitles
EnglishYesYesYes
GermanYesNoYes
Steam store page fresh · checked 2026-09-02 PCGamingWiki technical notes External link only; SteamIQHQ does not ingest PCGamingWiki content.
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Frequently Asked Questions

Is Sonorous | Deep Down Below free to play?
Yes, Sonorous | Deep Down Below is free to play on Steam.
What genre is Sonorous | Deep Down Below?
Sonorous | Deep Down Below is a Action, Adventure, Indie game.
Who developed Sonorous | Deep Down Below?
Sonorous | Deep Down Below was developed by HOONAYA and published by HOONAYA.
What platforms does Sonorous | Deep Down Below support?
Available on Steam for Windows.