Uploaded February 2026 | Updated September 2026, 3 hours ago

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Iron Lung - Survivors of the apocalypse send a convict in a small submarine to explore a desolate moon that's an ocean of blood.
Markiplier steps behind the camera for Iron Lung, the horror film inspired by the cult-favorite game—and I’m giving you a quick, non-spoiler review.

Is it actually scary?
Does it work as a real movie… not just a YouTuber project?
And is it worth your time if you’re not already a fan?

This is a fast, honest breakdown—no plot details, no spoilers, just what works, what doesn’t, and who this movie is really for.
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