Full Fathom

Full Fathom is an oceanic survival horror game. Pilot a deteriorating submarine as it drifts through grim waters, keeping it maintained as it is your only lifeline in the hostile, merciless ocean.

TBA

Indie Action Horror Open world Survival

Full Fathom is an indie developed by DÆMON House on PC (Microsoft Windows).

Verified 29 Sep 2026 Sources: IGDB , Steam

What Full Fathom is

Full Fathom was developed by DÆMON House. It is available on PC (Microsoft Windows) only. It runs on Unity.

The premise, in the publisher's words

Set adrift in a vast and uncaring ocean, you find a decrepit submarine, seemingly abandoned and in disrepair. Determined to make your way back to civilization, you must maintain the submarine and keep yourself alive.

Description from the publisher · source

How it plays

It is played from a first person perspective. Its themes are action, horror, open world and survival. It is a single-player game with no multiplayer component.