Compare Iron Lung prices across trusted key stores and find the best deal. Developed by David Szymanski. Published by David Szymanski. Released on 3/9/2022. Available on PC. Genres: Adventure, Indie, Simulation.

You pilot a claustrophobic submarine through an ocean of blood on a dead moon. No weapons, no map, just coordinates and mounting dread.

Iron Lung is a short-form horror game built almost entirely around the sensation of not knowing what is outside the metal walls pressing in around you. You operate a salvaged submarine called the Iron Lung, navigating a vast ocean of blood on an alien moon, armed with nothing but a periscope camera, a depth gauge, and a list of map coordinates you are expected to reach in sequence. There is no combat system, no inventory, no branching skill tree. The entire mechanical loop is: read the coordinate, adjust the heading levers, drift forward, take a photograph at the target location, and try not to think too hard about what your blurry exterior camera occasionally catches in frame. From a systems perspective the game is nearly stripped bare, and that is precisely the design choice worth respecting. David Szymanski built the tension not through complexity but through information scarcity. You cannot see outside except through a low-resolution still-capture camera mounted to the hull. The submarine interior is rendered in close, grimy detail. Every clunk and groan of the hull registers as a potential threat. There are no tooltips explaining the sounds. The game trusts you to build your own mental model of what is lurking out there, and that internal simulation you construct is reliably worse than any scripted monster could be. For players who expect layered decision-making, Iron Lung will read as intentionally sparse. There are essentially two control levers and a camera button. The depth here is psychological, not mechanical. What the game does exceptionally well is pacing, specifically the way tension accumulates across its roughly one-hour runtime without ever fully releasing. Each coordinate stop is a small commitment: you arrive, you photograph, and whatever the image shows you carries forward into the next leg. Late in the run the photographs stop being ambiguous. That escalation is handled with real restraint. Who should play this? Anyone who finds the survival-horror genre too reliant on jump scares and action will find Iron Lung a clean corrective. It is the kind of experience that lands better if you play it in one sitting, in a dark room, with headphones. The runtime is short enough that the ask is minimal. There is no replayability to speak of and the mechanics would not sustain a longer game, both of which Szymanski clearly understood when scoping the project. As a pure delivery mechanism for a specific feeling, it is efficient in a way most horror titles never manage. If you need a campaign mode, an upgrade path, or reasons to boot it up a second time, look elsewhere. If you want approximately sixty minutes of the kind of dread that stays with you for a day or two after, the coordinates are ready. Diego, Scout Team

Iron Lung

Iron Lung

Mar 9, 2022David Szymanski
GamerScout Says

You pilot a claustrophobic submarine through an ocean of blood on a dead moon. No weapons, no map, just coordinates and mounting dread.

PC
Steam Deck PlayableProtonDB Platinum
Best Price Available
€0.70
at Kinguin
Lowest tracked: €0.38
Track this price

GamerScout Verdict

A ruthlessly focused one-hour horror experience that proves atmosphere beats mechanics when the design is disciplined enough to commit fully.

Compare Prices(5 stores)

KinguinBest price
StandardGlobalSteam KeyKey
€0.70
Priced in EUR by the store
Buy
StandardGlobalSteam KeyKey
€0.94-88%
Priced in EUR by the store
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StandardEurope (EU)Steam KeyKey
€1.41-82%
Priced in EUR by the store
Buy
StandardGlobalSteam KeyKey
€1.42-17%
Priced in EUR by the store
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StandardGlobalSteam KeyKey
€4.99
Priced in EUR by the store
Buy
StandardEurope (EU)Steam KeyKey
€7.79
Priced in EUR by the store
Buy

Every store in this table quotes us in euros, so the EUR figure is the price the seller actually set, not our arithmetic — which is why EUR is also the currency we rank in. We only list an offer here when the store gives us its price in euros, so nothing in this table is a number we invented.

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Price History

Lowest tracked
€0.385 Jun 2026
Current best
€0.70
Keyshops
€0.34€0.47€0.61€0.745 Jun29 Jun22 Jul15 Aug7 Sept
5 Jun — 7 Sept
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Screenshots & Media

About Iron Lung

Iron Lung is a short-form horror game built almost entirely around the sensation of not knowing what is outside the metal walls pressing in around you. You operate a salvaged submarine called the Iron Lung, navigating a vast ocean of blood on an alien moon, armed with nothing but a periscope camera, a depth gauge, and a list of map coordinates you are expected to reach in sequence. There is no combat system, no inventory, no branching skill tree. The entire mechanical loop is: read the coordinate, adjust the heading levers, drift forward, take a photograph at the target location, and try not to think too hard about what your blurry exterior camera occasionally catches in frame. From a systems perspective the game is nearly stripped bare, and that is precisely the design choice worth respecting. David Szymanski built the tension not through complexity but through information scarcity. You cannot see outside except through a low-resolution still-capture camera mounted to the hull. The submarine interior is rendered in close, grimy detail. Every clunk and groan of the hull registers as a potential threat. There are no tooltips explaining the sounds. The game trusts you to build your own mental model of what is lurking out there, and that internal simulation you construct is reliably worse than any scripted monster could be. For players who expect layered decision-making, Iron Lung will read as intentionally sparse. There are essentially two control levers and a camera button. The depth here is psychological, not mechanical. What the game does exceptionally well is pacing, specifically the way tension accumulates across its roughly one-hour runtime without ever fully releasing. Each coordinate stop is a small commitment: you arrive, you photograph, and whatever the image shows you carries forward into the next leg. Late in the run the photographs stop being ambiguous. That escalation is handled with real restraint. Who should play this? Anyone who finds the survival-horror genre too reliant on jump scares and action will find Iron Lung a clean corrective. It is the kind of experience that lands better if you play it in one sitting, in a dark room, with headphones. The runtime is short enough that the ask is minimal. There is no replayability to speak of and the mechanics would not sustain a longer game, both of which Szymanski clearly understood when scoping the project. As a pure delivery mechanism for a specific feeling, it is efficient in a way most horror titles never manage. If you need a campaign mode, an upgrade path, or reasons to boot it up a second time, look elsewhere. If you want approximately sixty minutes of the kind of dread that stays with you for a day or two after, the coordinates are ready.

Diego
Diego · Scout Team

Strategy & simulation

Tags

steamPsychological HorrorAtmosphericShort-FormSingle SessionMinimalist MechanicsAudio-DrivenClaustrophobicSolo Developer

System Requirements

Minimum

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…

Recommended

Requires a 64-bit processor and operating system

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Reviews & Ratings

Steam
92%(10,668)

Game Info

Developer
David Szymanski
Publisher
David Szymanski
Release Date
Mar 9, 2022

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Frequently asked questions about Iron Lung

How much does Iron Lung cost?

As of 7 September 2026, the cheapest in-stock offer for Iron Lung is €0.70 at Kinguin, out of 6 live offers we track across verified key stores. Prices change daily — the table on this page is refreshed continuously.

Where can I buy Iron Lung cheapest?

The lowest in-stock price we track for Iron Lung is €0.70 at Kinguin (7 September 2026). We compare 6 live offers from verified key stores — the full table with every store and its trust score is on this page.

What platforms is Iron Lung available on?

Iron Lung is available on PC.

When was Iron Lung released?

Iron Lung was released on 9 March 2022.

Who developed Iron Lung?

Iron Lung was developed by David Szymanski.