What are the pros of Iron Lung?

Exceptional sound design and atmosphere that build a palpable sense of dread.. Intriguing world-building and lore that expand beyond the immediate gameplay.. Highly effective slow-burn horror experience that triggers deep-seated phobias.. Strong cultural relevance and connection to the Markiplier film adaptation..

What are the cons of Iron Lung?

Minimalist gameplay mechanics can be perceived as boring or repetitive.. Very short playtime, typically concluded within a few hours.. First-person perspective and limited visibility may not appeal to all horror fans..

Iron Lung

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

92%

Very Positive

DeveloperDavid Szymanski

PublisherDavid Szymanski

Release DateMar 9, 2022

$7.99

Peak Players560

PlatformsWindows

Adventure

Indie

Simulation

AI Review Summary

Iron Lung is a short, masterfully crafted horror experience that leverages exceptional sound design and a claustrophobic atmosphere to create intense dread. While its minimalist mechanics may feel repetitive to some, its unique lore and high-profile movie adaptation have established it as a significant indie horror title.

Pros

Exceptional sound design and atmosphere that build a palpable sense of dread.95%
Intriguing world-building and lore that expand beyond the immediate gameplay.85%
Highly effective slow-burn horror experience that triggers deep-seated phobias.80%
Strong cultural relevance and connection to the Markiplier film adaptation.90%

Cons

Minimalist gameplay mechanics can be perceived as boring or repetitive.60%
Very short playtime, typically concluded within a few hours.85%
First-person perspective and limited visibility may not appeal to all horror fans.50%

Notable Mentions

The game has gained massive popularity due to the Markiplier movie adaptation.
Triggers thalassophobia and claustrophobia effectively despite its low-fidelity style.

Confidence: 50%

Based on the 200 most relevant reviewsGenerated on Oct 23, 2026

Game Vitals

Live snapshot

Player Activity

Current peak

Peak · last 90 days

All-time peak

560

Price

Current price

$7.99

Lowest tracked

$3.99since Jan 29, 2026

Review Sentiment

Last 30 days

91%

All-time positive

92%

Review Statistics

Total Reviews11.4K

Positive: 10.4K (92%)Negative: 935 (8%)

Reviews from Steam Deck

Dev Response Rate

Avg Playtime at Review

99%

Credible Reviews