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Watch trailer on Steam ↗The Abyss Below
Broken Relay · Published by PostHuman Interactive
Very Positive — 80% positive (60 reviews) · 7 achievements
Last updated 28 Sept 2026
The year is 1997. Pilot a small submersible into the depths of the Pacific to investigate a massive sonar anomaly. Navigate by instruments, scan targets, and uncover something far older than it should be.
£4.59
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Price history
Adventure, Indie, Simulation · 2026 · More under £5 games
About this game
The year is 1997.
Listening stations have detected a massive, non-biological sonar anomaly at the bottom of a remote sector of the Pacific Ocean. Its acoustic signature matches no known terrestrial vessel, and its exact location remains unknown.
You are sent in a small submersible to investigate possible targets, identify the source of the signal, and report your findings back to the surface.
The Abyss Below is a short PSX-style deep-sea psychological horror game about isolation, limited visibility, and discovering something that should not exist. The entire experience is designed to be played in a single sitting, taking about an hour to complete.
Navigate by Instruments
Visibility is almost zero, and there is no clean HUD. Use the physical instruments inside your cockpit to stay on course: sonar, depth, map, and onboard telemetry.
Follow coordinates and read sonar returns as you move through dark underwater terrain. Your front window only shows fragments of what is ahead — the rest must be understood through sound, signals, and instruments.
Scan Unknown Targets
Reach each target, maneuver into optimal range, and use onboard sensors to send scan data back to the surface.
Each scan reveals another piece of the mystery, drawing you closer to the source of the anomaly.
Trace the Source of the Anomaly
Follow the trail of strange targets through the dark and send your findings back to the surface.
What begins as a search for an unknown sonar anomaly gradually leads toward something hidden beneath the seafloor. Distorted radio contact, impossible structures, and unexplained signals begin to reshape the mission piece by piece.
Something down there has been waiting for a very long time.
And every scan brings you closer to it.
Features
PSX-style deep-sea psychological horror
Claustrophobic submarine exploration
No traditional HUD — read physical cockpit instruments
Sonar-based navigation in near-zero visibility
Scan and identify mysterious underwater targets
Mission-driven story set in 1997
Slow-burn horror focused on tension, discovery, and isolation
Distorted radio communication and oppressive underwater audio
Short, focused horror experience (approx. 1 hour playtime)
System Requirements
Will my PC run this? →Minimum
- Requires a 64-bit processor and operating system
- OS: Windows 10 64-bit
- Processor: Dual-core or quad-core CPU
- Memory: 2 GB RAM
- Graphics: Dedicated GPU or fairly modern integrated graphics
- DirectX: Version 11
- Storage: 2 GB available space
Recommended
- Requires a 64-bit processor and operating system
Supported Languages
*languages with full audio support
Latest news
Patch NotesOfficial
Patch Notes 1.0.6
Fixed a bug that caused checkpoint 10 to load improperly.Fixed credits not playing after the game ends.Increased submarine speed from 4 m/s to 5 m/s.Changed map position indicator prompt wording.Read full article on Community Announcements (PostHuman)Patch NotesOfficial
Patch Notes 1.0.5
Fixed an issue that caused some texts to keep getting bigger on lower resolutions.Read full article on Community Announcements (PostHuman)Patch NotesOfficial
Patch Notes 1.0.4
Improved sonar display accuracy, including subtle zoom near walls. Added automatic crash reporting system.Fixed a bug that caused footsteps sounds to continue when using the periscope.Enlarged the passages at the end section.Read full article on Community Announcements (PostHuman)Patch NotesOfficial
Patch Notes 1.0.3
Fixed an issue where Map Position Indicator setting could not be changed using a controller.Fixed sonar not working correctly when running the game in 30 FPS.Adjusted text legibility in certain places on lower screen resolutions.Read full article on Community Announcements (PostHuman)Patch NotesOfficial
Chapter 2 — Free Update Is in Development
Thank you to everyone who has played, reviewed, shared, or wishlisted The Abyss Below.I have been glad to see so many positive comments about its atmosphere and mystery. Many of you have also asked for a longer experience and to see where the story goes next.I’m happy to announce that a free Chapter 2 update is now in development for all owners of The Abyss Below.The current game remains a complete standalone experience, but the story will continue. It is still early, so there is no release date or gameplay to share yet.Read full article on Community Announcements (PostHuman)






