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Play OverviewPlay Overview

Iron Lung (2022) is an exploration puzzle game where you navigate a submarine through a sea of blood with only your instruments to guide you. With no visibility in a small enclosed space, you need to make repairs, stop leaks and take recognisance pictures before time runs out. The claustrophobic setting, lack of outside visibility and eerie photos of dank creatures make an unnerving challenge that demands your full attention.

It's the far future and all stars and planets have mysteriously disappeared. The only humans are stranded on decaying space stations, stuck with dwindling resources and few options for survival left. One mysterious moon, covered in a sea of blood, appears to have valuable resources essential to rebuilding humanity at the bottom o a deep trench. You're commanded to take a cobbled-together submarine, the Iron Lung, to go and investigate.

The objective is simple: reach and photograph all ten areas of interest by navigating your submarine through the depths. You have a map which displays the coordinates of each location, along with the shape of the trench. Due to the pressure, the single porthole on the sub must be closed, so you have to rely entirely on your navigation systems to get around. You move by altering the direction of your vessel and can move forward and backwards, with your current coordinates displayed at all times. This means you must continually consult the map and ensure you can reach each objective while navigating the trench to avoid crashing and failing your mission.

As you progress, the sub starts to malfunction, with blood spilling in and fires flaring up all around you that you need to put out with the fire extinguisher. Soon, it becomes a race against time to photograph everything and make it back to the surface before the sub is destroyed while still safely navigating the treacherous ocean.

The result is a unique take on an exploration game that combines the horror of the unknown, darkness and tight spaces with an intuitive and simple control system that requires careful planning and expert management to master.

Our examiner, Ben Kendall, first checked Iron Lung 18 months ago. It was re-examined by Jo Robertson and updated 12 months ago.
Kids not old enough for this yet? There are lots of games similar to Iron Lung. Here are some similar younger-rated games:

Play StylePlay Style

This is a Brain Game, Simulation and Traversal game with Adventure, Point-and-Click and Puzzle elements. This is a single-player game.


Play Time: This game will take between 45 minutes and 2 and a half hours to complete. Depending on whether you do everything successfully the first time around, the time to beat can vary somewhat.

Age RatingsAge Ratings

Content Rating

Rated PEGI 16 for Horror.

Rated for younger players in the US. Rated ESRB TEEN for Language, Violence and Mild Blood.

Skill Level

12+ year-olds usually have the required skill to enjoy this game. Still, it's important for parents and guardians to consider the maturity required to process the game content. You need to manage all the different dials and gauges constantly, put out fires, and prevent damage to your submarine, but there isn't any need for quick or accurate reactions or reflexes.


Iron Lung usually costs £6.69.

Iron Lung

Steam Store PC £6.69
Switch Store Switch -
There are no additional in-game purchases, loot boxes, adverts or subscription costs.

DetailsGame Details

Release Date: 10/03/2022, updated in 2022

Out Now: PC and Switch

Skill Rating: 12+ year-olds

Players: 1

Genres: Brain Game, Simulation, Traversal (Adventure, Point-and-Click and Puzzle)

Accessibility: 18 features

Components: 3D First-Person

Developer: Dusk Dev (@DuskDev)

Taming Gaming Book Written by parents for parents, the database complements the in-depth discussion about video game addiction, violence, spending and online safety in the Taming Gaming book. We are an editorially independent, free resource without adverts that is supported by partnerships.

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