Games Like Iron Lung

From the creators of Amnesia: The Dark Descent comes SOMA, a sci-fi horror game set below the waves of the Atlantic ocean. Struggle to survive a hostile world that will make you question your very existence.

Why similar: Underwater 20.7% ★, Horror 16.7%, Psychological Horror 15.2%, Walking Simulator 8.5%, Atmospheric 7.6%

Why You'll Like It: This game is the definitive underwater psychological horror experience, matching the deep-sea dread and existential terror found in Iron Lung.

The five crew members of the Tulpar are stranded in the empty reaches of space, shrouded in perpetual sunset. God is not watching.

Why similar: Psychological Horror 27.7%, Horror 20.7%, Walking Simulator 11.2%, Atmospheric 9.9%, Dark 7.2%

Why You'll Like It: A retro-styled psychological horror game that excels at building dread within a confined, isolated setting.

Survival, horror at the sunless depths of the Pacific Ocean: Stranded on the seafloor with low light and few tools, an industrial diver takes desperate steps to surface before his oxygen — and sanity — give out.

Why similar: Underwater 39.9% ★, Horror 17.5%, Psychological Horror 13.9%, Atmospheric 6.6%, First-Person 6.5%

Why You'll Like It: Set entirely on the ocean floor, this survival horror game perfectly captures the claustrophobia and oxygen-management tension of piloting a submarine.

A slow burn retro horror game, in which you arrive at the old lighthouse on a small island near the coast of the United States. After the previous keeper has gone missing, you need to take over his duties and watch after the light.

Why similar: Horror 24.5%, Psychological Horror 17%, Atmospheric 9.6%, Walking Simulator 8.8%, Dark 6.8%

Why You'll Like It: This game uses a lo-fi, retro aesthetic to craft a deeply atmospheric and isolated horror experience.

Smuggle contraband VHS tapes across the border. Discover the remnants of illicit industry. Prepare for an assassination. This is Paratopic, an atmospheric retro-3D horror adventure through a cursed fever dream.

Why similar: Horror 29.1%, Psychological Horror 17.1%, Atmospheric 12%, Surreal 10.8%, Walking Simulator 8%

Why You'll Like It: Its fragmented, surreal narrative and low-fidelity aesthetic create a unique sense of unease that mirrors the experimental nature of Iron Lung.

Amnesia: The Bunker is a first-person horror game set in a WW1 bunker. A relentless, AI-driven monster stalks you. Survival depends on finding tools, crafting items, and keeping the lights on.

Why similar: Horror 31.2%, Psychological Horror 27.6%, Atmospheric 16%, First-Person 13.4%, Exploration 7.9%

Why You'll Like It: The intense focus on resource management and navigating a dark, claustrophobic environment makes this a perfect match for the tension of Iron Lung.

Observation is a sci-fi thriller uncovering what happened to Dr. Emma Fisher, and the crew of her mission, through the lens of the station’s artificial intelligence S.A.M.

Why similar: Horror 23.9%, Psychological Horror 14.6%, Sci-fi 14.5%, Indie 13.7%, Adventure 13.7%

Why You'll Like It: You play as a space station AI, forcing you to navigate through limited camera feeds and terminal interfaces, mirroring the restricted perspective of Iron Lung.

1975. Disaster strikes the Beira D oil rig off the coast of Scotland. Navigate the collapsing rig to save your crew from an otherworldly horror on the edge of all logic and reality in this 3x BAFTA Games Award-winning narrative horror experience.

Why similar: Underwater 27.6% ★, Horror 16.5%, Psychological Horror 16.2%, Walking Simulator 9.3%, Atmospheric 7%

Why You'll Like It: Set on an isolated oil rig in the North Sea, this game captures the same overwhelming sense of oceanic isolation and impending doom.

Stories Untold is a compilation tape of four experimental adventures, including a remaster of the original hit episode “The House Abandon”.

Why similar: Horror 32.1%, Psychological Horror 29.3%, Atmospheric 16.1%, Sci-fi 8.2%, Adventure 6.4%

Why You'll Like It: This episodic horror game utilizes retro technology and terminal-based gameplay to create a deeply unsettling psychological atmosphere.

What you are about to do has not been approved by the Vatican. As a young priest, struggle against demons, cultists, and your own weakening faith in this pixel horror game inspired by the era of classic 8-bit gaming and the "Satanic Panic" of the 1980s.

Why similar: Horror 30%, Psychological Horror 28.7%, Pixel Graphics 14.7%, Atmospheric 9.5%, Dark 9.2%

Why You'll Like It: The minimalist, retro-pixel art style is used to devastating effect to create genuine psychological terror.

Walking simulator. Explore, admire and listen. Uncanny. Relaxing. Unnerving. Eerie. Immersive. No monsters chasing you or jumping at your screen, but can feel oppressive at times by invoking fears of getting lost, the dark, tight spaces and liminal space architecture. Inspired by backrooms.

Why similar: Underwater 21.7% ★, Psychological Horror 19.6%, Walking Simulator 13.1%, Atmospheric 9.8%, Minimalist 7.5%

Why You'll Like It: A minimalist, liminal-space exploration game that relies on atmosphere and silence to create a haunting experience.

A horror game about claustrophobia. During a storm your service dog is forced down a broken sewer drain. You find the nearest sewer entrance and run in after it. Along the way you will meet others that are also stricken by abnormal or psychological fear.

Why similar: Psychological Horror 32.9%, Horror 30.5%, Atmospheric 14.9%, First-Person 10%, Surreal 6.9%

Why You'll Like It: A claustrophobic psychological horror game that excels at making the player feel trapped in an inescapable, surreal environment.

Operate an oil-drilling submarine while taking instructions from a mysterious voice. Fail your quota, and they’ll cut your oxygen. This is deep-sea horror. Obey or drown.

Why similar: Submarine 36.4% ★, Underwater 20.6% ★, Psychological Horror 9.8%, Horror 8.2%, Atmospheric 4.8%

Why You'll Like It: A dark, submarine-based psychological horror game that focuses on the oppressive nature of the deep sea.

As captain of the Pandora sub, you must explore the Trench and retrieve data from the Neptune wreckage. But beware - the trench is home to unimaginable horrors that will test your courage. Can you survive the terrors of the deep and complete your mission, or will you become the next victim?

Why similar: Submarine 42.8% ★, Underwater 28.2% ★, Horror 10.6%, Atmospheric 4.9%, Sci-fi 3.4%

Why You'll Like It: This title directly explores the submarine horror subgenre with a focus on survival and lovecraftian themes.

A short first-person horror game. An accident cripples your submarine while trying to find the wreck of the Titanic. In the darkness, you must restore life-support systems through tense puzzles, only to discover that you are not alone.

Why similar: Submarine 35.3% ★, Underwater 21.3% ★, Horror 12.5%, Psychological Horror 10.8%, Atmospheric 5.9%

Why You'll Like It: A short, atmospheric puzzle-horror game set in an underwater environment that mirrors the isolation of Iron Lung.

You are trapped in an endless underground passageway. Observe your surroundings carefully to reach "The Exit 8".

Why similar: Psychological Horror 20.2%, Horror 19.8%, Walking Simulator 14.5%, Minimalist 9.8%, First-Person 9%

Why You'll Like It: Its repetitive, short-form gameplay loop creates a unique psychological tension that rewards careful observation.

DREDGE is a single-player fishing adventure with a sinister undercurrent. Sell your catch, upgrade your boat, and dredge the depths for long-buried secrets. Explore a mysterious archipelago and discover why some things are best left forgotten.

Why similar: Psychological Horror 25.8%, Horror 23.6%, Atmospheric 13.7%, Exploration 12.8%, Mystery 11.7%

Why You'll Like It: While it features more gameplay variety, its core loop of navigating a small boat through eldritch, foggy waters shares the same unsettling atmosphere.

A classic survival horror experience set in a dystopian future where humanity has uncovered a dark secret. Unravel a cosmic mystery, escape terrifying creatures, and scavenge an off-world government facility as Elster, a technician Replika searching for her lost dreams.

Why similar: Psychological Horror 32.8%, Dystopian 15.1%, Sci-fi 14.9%, Atmospheric 14.8%, Dark 10.6%

Why You'll Like It: A retro-styled psychological horror game that masterfully uses atmosphere and isolation to keep the player in a constant state of unease.

A short horror game where you control a decaying spacecraft exploring distant star systems.

Why similar: Horror 48.1%, Sci-fi 23.5%, Exploration 10.8%, 3D 6.4%, Dark 5.8%

Why You'll Like It: A retro-styled sci-fi horror game that uses space-based isolation to build tension.

Scanner Sombre is a 3d horror cave exploration game where darkness is your greatest foe. Illuminate the unseen with your LIDAR scanner, revealing the eerie beauty and peril of the abyss. From the creators of Prison Architect, this immersive adventure uses light and shadow for a haunting experience.

Why similar: Horror 24.1%, Walking Simulator 17.3%, Atmospheric 12.1%, Psychological Horror 12.1%, Exploration 7.5%

Why You'll Like It: This minimalist exploration game uses a unique point-cloud visual style that forces you to navigate darkness in a way that feels very similar to Iron Lung's camera system.

Descend into the depths of an alien underwater world filled with wonder and peril. Craft equipment, pilot submarines and out-smart wildlife to explore lush coral reefs, volcanoes, cave systems, and more - all while trying to survive.

Why similar: Underwater 53.2% ★, Horror 20.7%, First-Person 5.9%, Sci-fi 5.6%, Exploration 5.5%

Why You'll Like It: While more open-world, it remains the standard for underwater atmosphere and the terror of the deep ocean.

Longing for light, a sunless world begins devouring itself. Every step shifts the landscape beneath you as you search for what remains of her.

Why similar: Psychological Horror 18.5%, Horror 16.6%, Walking Simulator 13.2%, Pixel Graphics 8.9%, Atmospheric 7.8%

Why You'll Like It: A surreal, pixel-art psychological horror game that focuses on a disorienting and psychedelic experience.

Pilot the MOLE, a monstrous post-war drilling machine built to descend deep below the Slavic soil. Fix failing systems, follow voices of the dead, and pray you can survive whatever is sharing your coffin. Will the vessel or your mind break first?

Why similar: Horror 22.9%, Psychological Horror 22.9%, Dystopian 11.4%, Atmospheric 9.9%, First-Person 8.3%

Why You'll Like It: A simulation-based horror game that captures the feeling of being trapped in a confined, subterranean space.

Hell Dive is a first-person horror game where you are a Maritime Operative alone aboard a submarine. Sent on a mission to revive an abandoned deep-sea colony, you uncover dark secrets as terrifying and deadly horrors await in its depths

Why similar: Psychological Horror 20.9%, Horror 18.9%, Walking Simulator 15.1%, Atmospheric 10.4%, First-Person 7.7%

Why You'll Like It: A walking simulator that leans heavily into lovecraftian themes and atmospheric horror.

Linear underwater horror game about a search dive that quickly turns into fight for survival after an encounter with hellish creature.

Why similar: Underwater 40.5% ★, Horror 14%, Psychological Horror 14%, Walking Simulator 6.8%, Dark 6.4%

Why You'll Like It: A linear, underwater-focused horror game that emphasizes the psychological strain of being submerged.

There's Nothing Down There is a short undersea horror exploration game. Descend into a sinkhole at the bottom of the ocean and discover the remains of a lost, yet not dead, civilization.

Why similar: Submarine 51% ★, Horror 13%, Underwater 13% ★, Walking Simulator 6.4%, First-Person 4.9%

A claustrophobic first-person horror game about crawling through a dark, winding cave system in search of three missing divers.

Why similar: Horror 28%, Psychological Horror 23.2%, Atmospheric 13.5%, Walking Simulator 7.1%, Exploration 6.8%

Why You'll Like It: A linear, atmospheric horror game that emphasizes the psychological toll of exploration in a dark, confined setting.

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.

Why similar: Submarine 30.9% ★, Underwater 19.3% ★, Psychological Horror 12.8%, Horror 11.9%, Atmospheric 6.1%

ROUTINE is a First Person Sci-Fi Horror set on an abandoned lunar base designed around an 80s vision of the future. Explore and investigate your surroundings as you survive against unknown threats.

Why similar: Psychological Horror 20.7%, Horror 16.9%, Walking Simulator 11.7%, Atmospheric 10.7%, Sci-fi 10.5%

The year is 1997. Pilot a small submersible into the depths of the Pacific to investigate a massive sonar anomaly. Navigate by instruments, scan targets, and uncover something far older than it should be.

Why similar: Submarine 38.5% ★, Underwater 27.9% ★, Horror 6.9%, Psychological Horror 6.5%, First-Person 3.7%

They Breathe is a short journey into the depths of a forest filled with water. As you swim deeper, it's up to you to figure out the rules of an insidious ecosystem where nothing is as it first seems, and where everyone is after the same precious resource – oxygen!

Why similar: Underwater 39.2% ★, Psychological Horror 14.9%, Dark 11.8%, Horror 11%, Atmospheric 8.4%

Why You'll Like It: A short, dark indie game that explores underwater horror through a unique, minimalist lens.

CRUSH DEPTH is first-person sci-fi horror game set at the bottom of the ocean. A salvage operation that would set you up for life goes sideways when you realize you're not alone down there. You'll solve puzzles and run from danger as you uncover the mysterious fate of Eclipse Station.

Why similar: Submarine 38.1% ★, Underwater 30.1% ★, Horror 10.1%, Sci-fi 5.4%, First-Person 4%

Barotrauma is a 2D co-op submarine simulator – in space, with survival horror and RPG elements. Steer your submarine, complete missions, fight monsters, fix leaks, operate machinery, man the guns and craft items, and stay alert: danger in Barotrauma doesn’t announce itself!

Why similar: Submarine 51.8% ★, Underwater 29.4% ★, Horror 11.3%, Sci-fi 4.7%, Psychological Horror 2.9%

Cave Crawler is a short horror game where you pilot a drone into a cave and discover something horrible.

Why similar: Horror 28.5%, Psychological Horror 18.8%, Walking Simulator 16.3%, First-Person 9.5%, Sci-fi 6.7%

A short psychological horror game, where you attempt to gain root access into an unethical superstructure.

Why similar: Psychological Horror 30.8%, Horror 23.7%, Atmospheric 15.8%, Dark 12.3%, Sci-fi 11.1%

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

Why similar: Submarine 36.6% ★, Underwater 27.2% ★, Horror 11.9%, Psychological Horror 7.4%, First-Person 5.3%

A short horror game where you dig through the flesh of a giant whale

Why similar: Psychological Horror 25.7%, Horror 21.8%, Dystopian 14.8%, Atmospheric 9.5%, Dark 6.2%

MOONROT is a short horror game about piloting a rover across a distant alien moon. Take grainy photos, record crackly signals, keep your battery charged, and uncover the source of the anomaly that led you here.

Why similar: Horror 37.2%, Sci-fi 15.3%, Atmospheric 11.7%, Exploration 9.9%, Mystery 7.8%

Travel through an overgrown megastructure, and discover what lies beyond it. Metal Garden is a short, atmospheric singleplayer FPS game.

Why similar: Atmospheric 19.1%, Sci-fi 17%, Dystopian 13.4%, Mystery 11.9%, First-Person 9.9%

In a lonely station atop a mountain, a train rumbles its precious cargo to places unknown. Now is your shift. Keep the pace. Uncover a mystery. Fight for your last breath. The air is thin up here.

Why similar: Psychological Horror 20.4%, Horror 20.3%, Walking Simulator 13.3%, Atmospheric 10.3%, Dark 9.2%

A short narrative-driven psychological horror game about a trainee metro driver trapped in the dampest subway east of anything that matters.

Why similar: Psychological Horror 23.9%, Horror 20.2%, Walking Simulator 13.8%, Atmospheric 10.9%, First-Person 8.2%

Short atmospheric first person horror game with elements of quest and shooter about being lost in the middle of nowhere, surrounded by weird mist.

Why similar: Psychological Horror 23.6%, Horror 21.7%, Walking Simulator 12.6%, Pixel Graphics 10.6%, Atmospheric 10.5%

A first-person dog sledding horror game. Play as a sled dog musher hired to transport a scientist deep into the unforgiving wastes of the arctic.

Why similar: Horror 23.7%, Atmospheric 13.3%, Walking Simulator 13.2%, Minimalist 10.7%, First-Person 9.7%

Dive into a world of despair in the world of Underwater. Take the role of an unknown inmate entering the a deep sea prison where mutants roam and barely any traces of human life remain. You will have to use all your ingenuity to escape and avoid becoming the meal of the hideous denizens.

Why similar: Psychological Horror 25.1%, Walking Simulator 15.3%, Atmospheric 14.6%, First-Person 10.9%, Mystery 10.3%

Eggs: perfection in two parts. The simple whites. The sublime yolk. Each the lesser without its partner. Chorus and verse. A symphony of flavor. The catchy tune reminding us of warm baths and late-night movies. The elevator music to whatever lies beyond.

Why similar: Horror 23.6%, Atmospheric 18.8%, Sci-fi 18.2%, First-Person 15.7%, Surreal 13.9%

A fast-paced micro FPS in which The Chop Goblins are loose, chopping their way through time itself in their ravenous quest for cheese. And THE CHOP WILL NOT STOP.

Why similar: Pixel Graphics 54.5%, First-Person 45.5%

The Door in the Basement is an atmospheric pixelated horror game set in a mysterious subterranean world.

Why similar: Horror 18.8%, Psychological Horror 17.5%, Atmospheric 9.6%, Dark 8.6%, Pixel Graphics 8.2%

In Aphotic Descent, you play as a diver whose submarine crashed at the bottom of the ocean. With no other option for survival, you must make your way to a nearby underwater research facility facing terrifying creatures, all while descending deeper and deeper...

Why similar: Underwater 47.5% ★, Horror 15.1%, Atmospheric 8.8%, Walking Simulator 8.7%, First-Person 6.3%

A reverse-detective adventure, where you control your character's face

Why similar: Psychological Horror 32.3%, Horror 31.2%, First-Person 11.4%, Surreal 10.8%, Exploration 8.3%

A downloadable tragedy for Windows and macOS

Why similar: Underwater 23.2% ★, Submarine 19.4% ★, Horror 10.6%, Walking Simulator 9%, Psychological Horror 6.4%

WARNING. Stay inside. Lock your doors. Close the blinds. Only let humans in. Eliminate all Visitors. An anxiety horror about paranoia in the End of Times.

Why similar: Horror 29.2%, Psychological Horror 28%, Atmospheric 12%, Dark 9.7%, First-Person 8.9%

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

Why similar: Underwater 39.8% ★, Submarine 27.9% ★, Horror 14.9%, Atmospheric 7.6%, Mystery 4%

Become a fearless underwater explorer and reach the bottom of The Mariana Trench to win 20,000* REAL DOLLARS!

Why similar: Submarine 45.7% ★, Underwater 31% ★, Horror 12.8%, First-Person 3.2%, Atmospheric 2.7%

This is a short, first-person psychological horror game with VHS effects. Be careful, you are facing a terrifying being.

Why similar: Horror 27.3%, Psychological Horror 26.1%, Walking Simulator 17.2%, Adventure 6%, First-Person 5.7%

RATSHAKER™ is the fun and quirky solution to all your rat problems! Hold on to the RAT, shake your arm, and watch life’s problems disappear! How far can you go?

Why similar: Horror 25%, Walking Simulator 12.1%, First-Person 11.4%, Atmospheric 10%, Surreal 8.9%

Grapple, clamber and fall thousands of meters down into a dark and ancient place in this first-person horror climbing game. You are being hunted.

Why similar: Horror 39.2%, Atmospheric 18.9%, Dark 13.2%, First-Person 12.8%, Exploration 6.9%

You are wetware, working a mysterious job.

Why similar: Psychological Horror 19.3%, Horror 17.7%, Walking Simulator 13.1%, Atmospheric 8.7%, Dystopian 8.6%

You are the lifeline supporting an expedition into the unknown. Keep both yourself and your squad alive by interpreting instrument readings, explore the facilities, and uncover something ancient and eager to be born.

Why similar: Psychological Horror 23.9%, Horror 22.8%, Walking Simulator 15.6%, Atmospheric 11.6%, First-Person 10.3%

A slow burn walking sim with an interactive soundtrack and horror vibes. You explore abstract locations and create your own unique sound for each of them by moving around and using Monoliths.

Why similar: Psychological Horror 21%, Walking Simulator 15.4%, Atmospheric 10.3%, Horror 9.7%, Sci-fi 9.4%