Iron Lung on Steam - User reviews, Price & Information

Quick menu

A short horror game where you pilot a tiny submarine through an ocean of blood on an alien moon.

Iron Lung is a horror, atmospheric and psychological horror game developed and published by David Szymanski.
Released on March 09th 2022 is available in English only on Windows.

It has received 8,170 reviews of which 7,529 were positive and 641 were negative resulting in a rating of 8.9 out of 10. 😎

The game is currently priced at 7.79€ on Steam, but you can find it for less on Eneba.


The Steam community has classified Iron Lung into these genres:

Media & Screenshots

Get an in-depth look at Iron Lung through various videos and screenshots.

System requirements

These are the minimum specifications needed to play the game. For the best experience, we recommend that you verify them.

Windows
  • Requires a 64-bit processor and operating system
  • OS *: Windows 7/8/9/10
  • Processor: Any made within the last decade
  • Memory: 1 MB RAM
  • Graphics: Any made within the last decade
  • Storage: 200 MB available space
  • Sound Card: Any
  • Additional Notes: You can run this

User reviews & Ratings

Explore reviews from Steam users sharing their experiences and what they love about the game.

Dec. 2025
Finally got to play the game for myself and ugh it's just as terrifying as watching someone play it! I love it!! Can't wait for the movie to come out :) so cool to see what started as a small game become a movie!
Expand the review
Dec. 2025
played this in anticipation of the movie and had a good time super eerie ambience and as someone who hates blood and the ocean this got to me gameplay got kinda repetitive but the game doesn't overstay its welcome 7/10
Expand the review
Nov. 2025
Iron Lung is a compact but extraordinarily potent piece of atmospheric horror, a game that strips the genre down to its barest elements and uses confinement, sensory deprivation, and slow-building dread to create an experience far larger than its modest scope suggests. Developed and published by David Szymanski, the creator behind titles like DUSK, the game abandons traditional horror spectacle for an unnerving journey into a dying universe where humanity grasps at any remaining lifeline. You play as a condemned prisoner sent into the “Iron Lung,” a decrepit one-man submarine, to explore an ocean of blood discovered on a barren moon. With no windows, limited instrumentation, and only a flickering camera to survey the outside world, you are forced into blind navigation—an idea that immediately establishes a powerful sense of vulnerability and claustrophobia. The gameplay revolves around monitoring coordinates, adjusting your sub’s heading, and taking photographs at designated locations while the vessel groans under pressure. On paper, it sounds simple—almost too simple—but in execution it becomes agonizingly tense. Every movement is accompanied by metallic creaks, pressure leaks, hisses, and electronic hums. You never truly know what lies beyond the hull, and the darkness—accentuated by the grainy, delayed snapshots you capture—creates an ever-present sense of unseen danger. Because you’re deprived of visual contact with the outside world, every bump or scrape becomes a question: did you hit a rock, or did something brush against your vessel? This ambiguity is the game’s greatest strength, allowing the player’s imagination to fill in the horrors lurking in the liquid void. The sub’s interior, cramped and hardly larger than a walk-in closet, becomes a character in its own right. Its rusted walls, exposed wiring, and dim emergency lighting convey a sense of decay that suggests you're piloting a machine that could fail at any moment. The environment forces you into physical intimacy with your fear; there is nowhere to hide, nowhere to breathe, nowhere to escape the oppressive atmosphere. As the mission progresses, the Iron Lung feels less like a tool and more like a coffin—one you're desperately trying to keep afloat long enough to complete your doomed assignment. Sound design carries much of the emotional weight. There are no orchestral cues or dramatic stingers—only the unsettling symphony of machinery under strain and distant, indistinct noises that suggest something vast and monstrous moves outside. The absence of overt cinematic cues makes every audio anomaly deeply alarming. A single thud or distant roar can send the mind spiraling into panic. Even silence carries tension, as it leaves you alone with the ship’s groans and your own imagination. Despite its minimalist sensory palette, Iron Lung manages to unfold a haunting narrative. Through cryptic messages, logs, and escalating environmental anomalies, the game slowly reveals that something is deeply wrong—not just with the mission, but with the universe itself. Humanity has been scattered and starved after catastrophic cosmic events, and this doomed expedition may represent one of the last attempts to uncover something—anything—that could save what remains. The story’s slow burn feels deliberate, grounding the cosmic horror in despair, desperation, and the lingering dread that some mysteries should never be explored. The pacing is tight and deliberate. The entire experience lasts around an hour, but that hour is dense with tension. The game’s brevity becomes one of its defining strengths—there’s no downtime, no filler, no comfort to be found. The pressure builds steadily until the narrative and psychological threads converge in an ending that is both inevitable and deeply unsettling. It’s the kind of finale that lingers in the mind long after the credits, reinforcing the game’s commitment to leaving more unsaid than revealed. Iron Lung is not designed for players seeking action, variety, or jump scares. Its horror is patient and conceptual, relying on atmosphere and implication rather than spectacle. Its visuals are intentionally grimy and low fidelity, which adds to its oppressive ambiance but may not appeal to players accustomed to high-production horror. Yet for those who appreciate mood-driven, experimental, minimalist horror experiences, it stands among the most memorable releases of its kind. It demonstrates how limitations—no windows, no light, no escape—can inspire some of the most creatively terrifying scenarios in modern indie gaming. In the end, Iron Lung is a masterclass in using absence as horror. It weaponizes what you cannot see, what you cannot know, and what you cannot escape. Its hour-long journey offers more genuine unease than many titles ten times its length, and its execution shows restraint, confidence, and an exceptional understanding of psychological terror. For anyone interested in atmospheric horror stripped down to its purest form, Iron Lung is essential—a suffocating descent into madness powered not by monsters, but by the crushing weight of the unknown. Rating: 9/10
Expand the review
July 2025
In rusted steel and crimson hue, A silent tomb beneath the blue, One task alone, to chart the red, Where stars are gone and gods are dead. The hull it groans, the pressure tight, No window grants the gift of sight, Just sonar pings and creeping dread, As whispers stir the liquid bed. A prison deep, a mission cursed, To dive where man was never first And in the dark, something unseen Waits in the depths, cold and obscene.
Expand the review
July 2025
just to give some context to those who need it but this game has no correlation with the marvel series ironheart. thanks and goodbye
Expand the review

Similar games

View all
Narcosis 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.

Similarity 69%
Price -97% 0.44€
Rating 7.4
Release 28 Mar 2017
IMSCARED "I need a Heart in order to open it"

Similarity 67%
Price 3.99€
Rating 9.0
Release 03 Feb 2016
Neverending Nightmares Experience true psychological horror as you explore nightmares inspired by the creator's struggles with depression and OCD. The defenseless protagonist must avoid monstrous manifestations of what haunts his subconscious in his quest to wake up into reality.

Similarity 66%
Price -82% 2.76€
Rating 7.4
Release 26 Sep 2014
Welcome to Kowloon This is an indie horror from the first person, in which you find yourself in an area called Kowloon in search of cheap housing. The inhabitants of this place only at first glance seem to be ordinary people, but if we dig deeper, we will see their real faces.

Similarity 65%
Price 6.89€
Rating 7.9
Release 01 Aug 2023
Master Reboot Imagine a world where death is no longer final, where precious memories are saved to enjoy forever, where your soul is immortal. Master Reboot is a haunting first-person sci-fi adventure.

Similarity 64%
Price -96% 0.50€
Rating 7.2
Release 29 Oct 2013
DISTRAINT: Deluxe Edition DISTRAINT is a 2D psychological horror adventure game for PC. In order to secure a partnership in a famous company, Price seizes the property of an elderly woman. In that very moment, he finds out the price of his humanity.

Similarity 63%
Price -79% 1.08€
Rating 9.1
Release 21 Oct 2015
Fingerbones Explore a mysterious abandoned bunker and find notes that paint a disturbing picture.

Similarity 63%
Price Free to play
Rating 7.7
Release 03 Aug 2015
Almost Home Now A 10 minute horror experience of a girl walking home alone at night.

Similarity 63%
Price Free to play
Rating 8.0
Release 25 May 2022
Detention Detention is an atmospheric horror game set in 1960s Taiwan under martial law. Incorporated religious elements based in Taiwanese/Chinese culture and mythology, the game provided players with unique graphics and gaming experience.

Similarity 63%
Price -75% 2.99€
Rating 8.0
Release 12 Jan 2017
Layers of Fear (2016) Layers of Fear is a first-person psychedelic horror game with a heavy focus on story and exploration. Players take control of a painter whose sole purpose is to finish his Magnum Opus. The player must navigate a constantly changing Victorian-era mansion and ghastly visions of the painter’s psyche.

Similarity 63%
Price -86% 2.96€
Rating 8.7
Release 15 Feb 2016
Layers of Fear 2 (2019) Layers of Fear 2 is a first-person psychological horror game with an emphasis on exploration and story. Players control a Hollywood actor who heeds the call of an enigmatic director to take on the lead role in a film shot aboard an ocean liner. Beware, for all may not truly be what it seems.

Similarity 63%
Price 16.79€
Rating 7.0
Release 28 May 2019
FAITH: The Unholy Trinity 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.

Similarity 62%
Price -68% 4.54€
Rating 9.2
Release 21 Oct 2022

Frequently Asked Questions

Iron Lung is currently priced at 7.79€ on Steam.

Iron Lung is currently not on sale. You can purchase it for 7.79€ on Steam.

Iron Lung received 7,529 positive votes out of a total of 8,170 achieving a rating of 8.94.
😎

Iron Lung was developed and published by David Szymanski.

Iron Lung is playable and fully supported on Windows.

Iron Lung is not playable on MacOS.

Iron Lung is not playable on Linux.

Iron Lung is a single-player game.

There is a DLC available for Iron Lung. Explore additional content available for Iron Lung on Steam.

Iron Lung does not support mods via Steam Workshop.

Iron Lung does not support Steam Remote Play.

Iron Lung is enabled for Steam Family Sharing. This means you can share the game with authorized users from your Steam Library, allowing them to play it on their own accounts. For more details on how the feature works, you can read the original Steam Family Sharing announcement or visit the Steam Family Sharing user guide and FAQ page.

You can find solutions or submit a support ticket by visiting the Steam Support page for Iron Lung.

Data sources

The information presented on this page is sourced from reliable APIs to ensure accuracy and relevance. We utilize the Steam API to gather data on game details, including titles, descriptions, prices, and user reviews. This allows us to provide you with the most up-to-date information directly from the Steam platform.

Additionally, we incorporate data from the SteamSpy API, which offers insights into game sales and player statistics. This helps us present a comprehensive view of each game's popularity and performance within the gaming community.

Last Updates
Steam data 21 January 2026 04:00
SteamSpy data 20 January 2026 21:45
Steam price 29 January 2026 04:22
Steam reviews 28 January 2026 19:57

If you'd like to dive deeper into the details about Iron Lung, we invite you to check out a few dedicated websites that offer extensive information and insights. These platforms provide valuable data, analysis, and user-generated reports to enhance your understanding of the game and its performance.

  • SteamDB - A comprehensive database of everything on Steam about Iron Lung
  • SteamCharts - Analysis of Iron Lung concurrent players on Steam
  • ProtonDB - Crowdsourced reports on Linux and Steam Deck Iron Lung compatibility
Iron Lung
Rating
8.9
7,529
641
Game modes
Features
Online players
61
Developer
David Szymanski
Publisher
David Szymanski
Release 09 Mar 2022
Platforms
Clicking and buying through these links helps us earn a commission to maintain our services.