Screenshots
Watch trailer on Steam ↗Deep Siren
Made From Strings · Published by Dionous Games · Official site ↗
Last updated 28 Sept 2026
Deep Siren is a Lovecraftian WWII horror fairytale. When the lone survivor of the USS Siren discovers a mermaid while adrift at sea, he finds himself plunged into a world of supernatural horror fathoms beneath the surface. Utilize unique gameplay mechanics as Alex battles to hold on to his sanity.
Adventure, Indie · 2026 · More free games
Explore the eerie depths as Alex, survivor of the USS Siren, faces unspeakable horrors in Deep Siren. Utilize unique gameplay mechanics to battle supernatural threats and preserve your sanity in this 2026 indie adventure.
About this game
Deep Siren is a Lovecraftian World War II horror fairytale. When the lone survivor of the U.S.S. Siren, Alexander Calder, discovers a mermaid while adrift at sea, he finds himself plunged into a world of supernatural horror fathoms beneath the surface. Survive terrifying creatures, navigate alien technology, and discover the secrets of the deep.
Utilize unique gameplay mechanics to understand what is real as Alexander battles to hold on to his sanity.
Inspired by the works of Lovecraft and classic creature feature films.
Supernatural and psychological horror
A unique eye-closing puzzle mechanic to decipher if what you're seeing is even real
A stylized hand-drawn experience filled with creatures and pulpy sci-fi
Fun and challenging puzzles from a strange underwater world
Full voiceover and immersive sound
An all-original, intense movie-quality soundtrack
Discover secrets to unlock cosmetics for your HUD
System Requirements
Will my PC run this? →Minimum
- OS: 10 or later
- Processor: 2.5 GHz (Single Core) or 2 GHz (Dual Core)
- Memory: 4 GB RAM
- Graphics: 3D graphics card compatible with OpenGL 2.0 compatible with 1 GB RAM
- DirectX: Version 9.0
- Storage: 5 GB available space
- Sound Card: DirectX 9.0c compatible sound card with latest drivers
Supported Languages
*languages with full audio support
