Top similar games like Full Fathom:

The light is your only lifeline. Descend into a crushing, thalassophobic abyss where every photograph could be your last. Investigate unpredictable deep-sea horrors and explore the vast, dark unknown - all while being 'assisted' by a darkly sarcastic AI.

Trapped in a deep-sea diving bell, your systems are failing. Descend to find a missing expedition - survive what's hunting you.

You are an employee of U.D.E. Your mission is to explore the ocean depths, investigate ancient artifacts, and... save your own skin. Survive, uncover the corporation's secrets, and find out what lies hidden in the depths.

Swim deeper and deeper into this underwater horror game. Explore open worlds, save your friends, escape monstrous creatures....What are you waiting for? the depths are beckoning you to go deeper!

Open Waters is a first-person ocean survival horror game. Stranded in a small boat, you must navigate treacherous waters, evade creatures of the deep, and find your way back to safety before the ocean drags you into its depths.

Navigate an open-world ocean in a rusted submarine with monstrous creatures lurking in the depths. Collect artifacts, upgrade your submarine and descend into even deeper waters. If you didn’t fear the deep sea before, now you will.

A 3D survival experience set within a cramped one-man submarine exploring a hostile ocean trench.

Dive into the eerie depths of Europa to find extraterrestrial life. Are you ready to take the next step?

Lost in a silent maze of bookshelves, you have only your wits to escape. Solve the puzzles before the labyrinth consumes you.

A Steamboat Willie-inspired first-person, open-world horror game. Navigate a haunting world by boat, upgrade your vessel, and arm yourself to survive. Uncover the chilling secrets needed to free the inhabitants from Willie’s relentless attacks.

Vermin is a first-person survival horror game about hunting, feeding the heart, and dreaming of death. Trap and hunt mutated creatures, explore a forest in the 1980s soviet union, gather items, craft traps, mutate yourself and maybe... the heart will finally let you die.

Every descent is a deadly gamble. DIVE or DIE in the cursed abyss, face Eldritch horrors to uncover the mystery of the black rain. Scavenge and upgrade, recruit and sacrifice. Save your camp... The Flood is coming.

Step into the shoes of a nameless exile left to die on a Mediterranean island in this first-person horror adventure. Explore an open world of haunting beauty, craft your weapons, and confront threats emerging from the depths of the island at dusk.

A sinister entity lurks in the depths. Descend into the abyss and extract knowledge about it.

You wake up deep beneath an underground research facility with no memory of how you got there. Only one name remains in your mind: Elizabeth. Solve puzzles, evade failed experiments, and uncover the truth behind the disaster in this first-person sci-fi survival horror experience.

You’re on holiday on a tropical island with your friends, but you find your tour guide DEAD on the beach, and someone on the island wants you to be next. Work together, search for materials and weapons to defend yourselves, build a raft and escape. Will you make it out alive?

Descend into Lovecraftian horror aboard a claustrophobic military submarine. Assign tasks as a captain’s right hand, analyze sonar signals, make hard decisions, and keep the crew from madness. Dark horrors lurk both within… and beyond the hull.

A short underwater horror game where you pilot a one-person submarine into a lightless trench, tracking a signal that has started answering back.

Descend down the arctic depths in Crathos Deep, a cosmic horror narrative adventure. Explore the vast abyss with your submarine and utilize your expeditionary drone to reach the dark corners of the ocean. Investigate a lost research institute to unravel the unsettling mystery of its downfall.

Your name is missing from the register and no charges are on file — yet the cameras are already tracking you. A first-person prison horror about reading patrols, trading for information, and getting out before the system decides who you are.

HELL UNDER ICE is a coop horror game where you and your crew are abandoned on Europa, with the only goal of fulfilling the tasks you are assigned by the DSA. Explore derelict stations to discover what happened, collect everything you can and fight to stay alive against nightmarish entities.

Pilot a submarine in a horrific, deep sea expedition. Study the monsters the lurk below and look for their signs. Adjust your speed, noise and light levels to scare off, or hide from whatever you think is out there. Poor judgment will lead to a watery grave.

Dark Forest is an adventure horror game in which you have to find a way out of your prolonged sleep. Otherwise, you risk staying in it forever.

Recover $10 million worth of cocaine scattered across a beautiful valley while an anomalous entity watches your every move.

Burn Depth is an tense, underwater, horror exploration game. Find a path through a dangerous and unexplored area of the ocean filled with menacing creatures. Manage your vessel's resources, survive the dive, and uncover the mysteries beneath the sea floor.

Subnautica 2 is an underwater survival adventure set on an all-new alien world, developed by Unknown Worlds. Play alone or with friends in 4-player co-op. Adapt to survive by building custom bases and crafting tools. Explore the unknown to uncover the mysteries hidden within the depths.

Dive into a sunken ocean liner lost in the deep sea. In this narrative-driven 3D survival horror puzzle game, explore a claustrophobic environment while managing limited air resources, solving puzzles, evading unknown horrors, and uncovering the truth behind a distortion of time and space.

I Am Alive casts the player as a lone survivor in a believable, dark and insecure post-apocalyptic world.

A submarine touring the Titanic has gone missing. As part of the coast guard, you have been called in to locate and rescue the crew before their oxygen runs out.

This is not a clean start. Explore a hostile world that reacts to your actions and remembers your mistakes. Learn through observation, failure, and persistence. Each new run is not a reset — it’s a transformation.

DEATHTOUCH is an open-world horror game where exploration leads to hidden secrets—and lurking nightmares. Uncover mysterious locations, navigate eerie environments, and survive terrifying encounters in a world that feels truly alive.

Watch the surroundings of the outpost through cameras, keep creatures away by using lights, and protect yourself by locking doors in case of danger. Welcome to the five nights at Backrooms.

Free To Play Game, An atmospheric action horror experience set in a non-human realm governed by rules unlike our own. A world of skeletal entities and shifting remains, where forms assemble and decay endlessly, and death exists as an active, hostile force rather than an outcome.

Explore a mesmerizing alien world, filled with deep bioluminescent wonders and horrors alike. Old alien artefacts await uncovering, in your search for the lost crew of Lazarus, in the search for your family in the depths of planet Eo-III.

Drowned Echo is a narrative-driven VR horror experience in which you explore a sunken ship, using your hands to swim, interact with tools, and uncover a Lovecraftian presence that is corrupting the environment.