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In a dystopian future, Agent Seth investigates a corporate geological facility where a biological gas turned people into bloodthirsty monsters.
Released 11 Sep 2026
In a dystopian future, Agent Seth investigates a corporate geological facility where a biological gas turned people into bloodthirsty monsters. Fight through enemy hordes, uncover a dark corporate conspiracy, and face Lovecraftian nightmares in this tense retro FPS with survival horror!
Developed by Acid Arrow Studio, Sons of Welder · Published by Acid Arrow Studio, FM Simple Games Studio









Deep Sheol has about 7 positive and 0 negative player reviews out of a total 7. We'll add a detailed breakdown here when there are more reviews.
In a dystopian future ruled by ruthless corporations, Special Agent Seth embarks on a mission to uncover why a secretive mining base for a new biological gas has gone silent. A nightmare awaits him: the gas has transformed the workers and nearby townsfolk into bloodthirsty zombies!
Fight through hordes of enemies, unravel the corporation’s dark conspiracy, and face Lovecraftian monsters in this fast-paced retro FPS with survival horror elements!
Game Features:
Dark, industrial retro vibe inspired by classic FPS games.
Resource management: ammo, meds, and food—every decision counts.
Player vital stats system that impacts gameplay.
Environmental analysis system highlighting key items and mission objectives.
Complex logical and environmental puzzles.
Unique blend of Lovecraftian mythology and dark sci-fi.
Dynamic soundtrack that heightens tension.
| Platforms | Windows, Linux |
|---|---|
| Achievements | 17 |
| Age ratings |
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| Controller support | PlayStation, Xbox |
| Controller required | No |
| Demo | View demo on Steam |
| AI disclosure | Generative AI (LLM) was used to assist in translating in-game text.Additionally, AI tools provided assistance in writing, optimizing, and debugging source code. |
| AI disclosure categories |
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