Iron Lung needs almost nothing to run, with a listed minimum of just 1 MB of RAM, any graphics card made in the last decade, and 200 MB of free disk space. David Szymanski’s minimalist submarine horror game has no separate recommended tier, since its hardware demands are already about as light as PC gaming gets. These are the Iron Lung system requirements players need before piloting the sub into an ocean of blood.
Here are the Iron Lung System Requirements
- RAM: 1 MB
- Video Card: Any card made within the last decade
- OS: Windows 7, 8, or 10
- Free Disk Space: 200 MB
- Sound Card: Any
Our source did not list a specific CPU model, and there is no separate Recommended tier published for this game, only the single Minimum listing above. The source also references “Windows 9” in its OS line, which was never an actual public release of Windows, so we’ve simplified that field to the real Windows versions, 7, 8, and 10.
Can My PC Run Iron Lung?
Iron Lung is by far the lightest game covered anywhere in this cluster, and likely one of the lightest on this entire site. Its 200 MB install size and negligible RAM requirement reflect its minimalist black-and-white visual style and short runtime, since the game is played almost entirely through crude sonar readouts, grainy photographs, and ambient sound rather than detailed 3D environments. Essentially any Windows PC built in the last fifteen years, including budget laptops and older office machines, can run this game without issue.
Who Iron Lung Is For
Iron Lung holds a strongly positive reputation, sitting in “Overwhelmingly Positive” territory on Steam from over 9,000 reviews, with roughly 91% rated favorable. The game gained significant mainstream attention after resembling the real-world 2023 Titan submersible tragedy in its premise, and it was later adapted into a feature film directed by and starring YouTuber Markiplier, released in January 2026. The film performed well commercially, though it received a more mixed critical response than the original game. Iron Lung suits players who want a short, atmospheric horror experience built on isolation and dread rather than jump scares or combat, navigating a fragile one-man submarine through total darkness using only instruments and photographs.
Players looking for a long game or one with conventional visuals should adjust expectations, since Iron Lung is intentionally brief and stripped down, both narratively and mechanically. For anyone drawn to slow-burn, claustrophobic horror with a strong emphasis on atmosphere over spectacle, it remains one of the most acclaimed entries in that specific niche.
Get Iron Lung For Less
Before buying at full price, check our guide on How To Get Iron Lung Free for legitimate ways to pick up the game at a lower cost.
More PC System Requirements Guides
Start with our central guide: Valheim System Requirements, our site wide hub covering PC specs across every genre we track.
This page is also part of our Survival Horror cluster. Cluster hub: Resident Evil Village System Requirements (cluster hub). Other pages in this cluster:
- Resident Evil 6 Complete System Requirements
- Resident Evil 8 System Requirements
- Resident Evil 3 System Requirements
- SILENT HILL f System Requirements
- Outlast 2 System Requirements
- Dead by Daylight System Requirements
- Hunt: Showdown 1896 System Requirements
- REANIMAL System Requirements
This cluster is now complete. Browse the full list above for every game we’ve covered in Survival Horror.
FAQ
What are the Iron Lung system requirements?
Iron Lung needs about 1 MB of RAM, any graphics card made in the last decade, and 200 MB of free disk space, with no separate recommended tier since the game is already extremely lightweight.
How much storage does Iron Lung need?
Iron Lung needs only 200 MB of free disk space, one of the smallest install sizes covered on this site.
Can Iron Lung run on any PC?
Yes, virtually any Windows PC built in the past fifteen years, including low-end laptops, can run Iron Lung without issue given its minimal hardware demands.
Is Iron Lung based on a real event?
The game predates the 2023 Titan submersible tragedy, having released in 2022, though its premise of a claustrophobic deep-sea submarine disaster drew renewed comparisons after that real-world event.
Is there a movie based on Iron Lung?
Yes, a feature film adaptation directed by and starring YouTuber Markiplier released in January 2026, and it performed well commercially despite a more mixed critical reception than the game.
