
Iron Lung
Pilot a rusty one-man submarine through an ocean of blood on an alien moon.
Hooked on the atmospheric and dark side of Anoxemia? Start with these games when you are ready.
Stan, a professional diver in the North Sea, is struggling to overcome a life-changing loss during an extended mission underwater. Stuck in his self-imposed solitude, he starts to experience strange events and will have to make the most significant choice of his life...
Atmospheric, Dark, Scary
Pilot a rusty one-man submarine through an ocean of blood on an alien moon. A short, dread-soaked horror trip that ends in under an hour and stays with you much longer.
Atmospheric, Dark, Tense
Abyss of Neptune is a survival horror game set in the deep seas of the Bermuda Triangle. You are sent to investigate a mysterious underwater signal, but there is more to it than meets the eye. Do you have what it takes to survive the abyss?
Atmospheric, Dark, Tense
A mysterious signal. A missing crew. And the one man trying to piece it all together. As Abe Douglas, dive deep into a fully underwater metroidvania to explore massive oceanic biomes, battle monstrous bosses, and piece together a mystery that threatens not only your crew, but your own sanity.
Atmospheric, Dark, Tense
Black rain is falling and the Flood is coming. Lead the last survivors, send divers into a cursed abyss, and manage oxygen, sanity and hope while an angry sea god watches. A dark underwater mix of survival, camp management and dread, where every descent is a gamble and sacrifice is part of the plan.
Atmospheric, Dark, Tense
Dive into a surreal ocean abyss in an atmospheric puzzle-adventure. Explore dangerous waters, possess sea creatures and solve environmental puzzles to discover what lies deep below the surface…
Atmospheric, Dark, Tense
You crash-land in a life pod on an alien ocean planet, with hunger, thirst, and oxygen to watch. Gather fish and minerals, craft diving gear and small subs, build a seafloor base, and push from bright coral shallows toward trenches, lava fields, and caves to find a way off the planet.
Atmospheric, Dark, Tense
Aquaria is an award-winning action-adventure game set in a massive underwater world teeming with life and filled with ancient secrets. Join Naija, a lone underwater adventurer, as she travels from hidden caves shrouded in darkness, to beautiful, sunlit oases in search of her past.
Atmospheric, Dark, Surreal
The Sirena Expedition is a short PSX-style horror-platformer in which you explore a mysterious underwater facility.
Atmospheric, Dark, Tense
A brutally challenging physics-horror caving game. Using only your hands, drag yourself down a suffocating cave system where every hold pulls you further into the darkness. Equal parts rage-game, claustrophobic nightmare, and descent into a forgotten folktale...
Atmospheric, Dark, Tense
Rediscover the meaning of terror with Submersed. Are you afraid of depths? You will be.
Atmospheric, Dark, Tense
A survival horror walk across the sunless Pacific seafloor. Stranded after a disaster at a deep-sea mining station, an industrial diver limps toward the surface in a half-ton dive suit, counting every breath while the dark, the pressure and his own mind close in.
Atmospheric, Dark, Tense

Pilot a rusty one-man submarine through an ocean of blood on an alien moon.

The Sirena Expedition is a short PSX-style horror-platformer in which you explore a mysterious underwater facility.

There's Nothing Down There is a short undersea horror exploration game.

Descend into darkness in Anoxia Station, a turn-based strategy game with puzzle elements.

AQUANOX 2: REVELATION is a new story of the underwater world Aqua.

In the facility, each step, each shot, each mistake costs precious energy. Rendered entirely in black and white, this mystery can be unravelled.

Project Abyss is a deep sea adventure game where you explore as a diver, forced to survive a destiny that goes deeper than anyone imagined.

Savior of the Abyss is a horror adventure game. To avoid sudden death, always pay attention and be suspicious of things around you.

Explore abandoned biospheres at the bottom of the ocean, alone or with up to 4 friends.

CRUSH DEPTH is first-person sci-fi horror game set at the bottom of the ocean.

Unveil the truth in a genre-blending sci-fi mystery. Awaken from cryogenic slumber you find your shelter damaged by unknown circumstances.

Wander through intricate maze under the bed, and discover the secrets hidden in the long, dark tunnels. Document the existence of monsters.

Send divers down into a cursed abyss and keep the last survivors breathing, sane and hopeful as the Flood rises.

Drive a giant drilling rig into the dark, keep its failing systems alive, and follow a call that will not stop.

There's Nothing Down There is a short undersea horror exploration game.

In the facility, each step, each shot, each mistake costs precious energy. Rendered entirely in black and white, this mystery can be unravelled.

Explore abandoned biospheres at the bottom of the ocean, alone or with up to 4 friends.

Uncover the mystery of Thalassa, a first-person psychological drama set under the sea.

A co-op horror job at the bottom of the sea: dive into sunken labs with up to eight friends, destroy what Pharma Corps wants gone, and hope the dark…

A brutally challenging physics-horror caving game. Using only your hands, drag yourself down a suffocating cave system where every hold pulls you…

Descend into darkness in Anoxia Station, a turn-based strategy game with puzzle elements.

Boat, climb, interact and explore in the beautiful ruins of a sunken world.

The Sirena Expedition is a short PSX-style horror-platformer in which you explore a mysterious underwater facility.

Beneath is a Lovecraft-inspired survival FPS. Scarce ammo, merciless enemies and a sense of the unknown combine in a 10+ hour, story-driven single…

Descend an alien planet's caves as an expendable test subject, patching wounds and crafting tools to survive each layer.

A first-person Lovecraftian horror aboard a nuclear submarine lost in the North Atlantic.

A brutally challenging physics-horror caving game. Using only your hands, drag yourself down a suffocating cave system where every hold pulls you…

Send divers down into a cursed abyss and keep the last survivors breathing, sane and hopeful as the Flood rises.

Drive a giant drilling rig into the dark, keep its failing systems alive, and follow a call that will not stop.

There's Nothing Down There is a short undersea horror exploration game.

A claustrophobic anomaly-horror game where you can only turn, blink, and decide: is it real or not? Survive five endings and uncover Mike’s story.

Darwin is a clever little octopus yanked from the ocean into a vast industrial complex, and he wants out.

You've been trapped in a mine. You'll need to use your tools to dig your way to the exit in a fully destructible 3D voxel terrain.

Beneath is a Lovecraft-inspired survival FPS. Scarce ammo, merciless enemies and a sense of the unknown combine in a 10+ hour, story-driven single…

1st person, Singleplayer, Ocean exploration, Horror game

Explore dungeons, fight hordes of monsters and survive on a huge map. This is Ocean Keeper – an action roguelike with tower defense elements.