Iron Lung (2026) watch online

Iron Lung is a 2026 American independent science fiction horror film starring writer, editor, and director Mark Fischbach (better known by his online alias Markiplier) in his feature-length directorial debut. It is based on the 2022 video game by David Szymanski. It also stars Caroline Kaplan, Troy Baker, Elsie Lovelock, Elle LaMont, Mick Lauer, Seán McLoughlin (Jacksepticeye), Isaac McKee and Alanah Pearce. The plot follows a convict (Markiplier) who is forced to pilot a submarine through an ocean of blood on a desolate moon following an apocalyptic event known as the "Quiet Rapture" that caused all the stars and habitable planets along with their human inhabitants to disappear without warning.

Development on an Iron Lung film adaptation began in April 2023, when Markiplier announced he would be adapting the game into film. Markiplier, who had previously played Iron Lung on his YouTube channel, stated it would be self-written, self-financed, and star himself alongside Kaplan. Szymanski had been involved with it since pre-production, assisting with its story and being on set during filming. Iron Lung was self-released by Markiplier in North America on January 30, 2026. The film received mixed reviews from critics, and was a box-office success, grossing $51 million worldwide.

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