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September 11, 2026Short & citedBlog
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Screen & Stage • Film

Iron Lung (film)

Iron Lung is a 2026 American independent science fiction horror film written, directed by, edited by, produced by, and starring Mark Fischbach (Markiplier).

Updated September 11, 20261 min readCited sources

Iron Lung is a 2026 American science fiction horror film written, directed, and starring Mark Fischbach (Markiplier). It adapts the 2022 indie video game of the same name.

What it is

The film follows a convict named Simon sent to pilot a submarine through a blood-filled ocean on a distant moon after a cosmic disaster called the Quiet Rapture. It is a low-budget independent feature and Fischbach's directorial debut.

Key details

Mark Fischbach wrote, directed, edited, produced, and starred in the film. Caroline Rose Kaplan appears in a supporting role. The movie was released theatrically on January 30, 2026, and on streaming on May 31, 2026.

Why it matters

Iron Lung drew attention for adapting a cult horror game and for Fischbach's transition from online creator to feature filmmaker. Coverage emphasized its claustrophobic atmosphere and survival-horror premise.

In short

  • Adapts the 2022 indie game Iron Lung by David Szymanski.
  • Mark Fischbach's feature-length directorial debut.
  • Released theatrically January 30, 2026; streaming May 31, 2026.
  • Stars Fischbach and Caroline Rose Kaplan.

Quick questions

What is Iron Lung about?
A convict is sent to pilot a submarine into a moon's blood ocean after the Quiet Rapture, searching for clues to help humanity survive.
Who directed Iron Lung?
Mark Fischbach (Markiplier) directed the film.
When was Iron Lung released?
Theatrical release on January 30, 2026; streaming on May 31, 2026.

Sources

  1. Wikipediahttps://en.wikipedia.org/wiki/Iron_Lung_(film)
    Supports: Basic film identity, director, premise, and adaptation source.
  2. IMDbhttps://www.imdb.com/title/tt27564844/
    Supports: Premise and post-apocalyptic setting.
  3. Colliderhttps://collider.com/iron-lung-teaser-trailer-cast-crew-plot-markiplier/
    Supports: Director, cast, plot details, and Mark Fischbach’s role.
  4. Rotten Tomatoeshttps://www.rottentomatoes.com/m/iron_lung
    Supports: Release dates and synopsis.
  5. Keith & the Movieshttps://keithandthemovies.com/2026/02/04/review-iron-lung-2026/
    Supports: Plot details, cast, and setting.