'Iron Lung', the horror film directed by Markiplier, is set to debut on streaming platforms after a successful theatrical run. The film will be available exclusively on YouTube Movies starting May 31. Markiplier, who also stars in the film, expressed his loyalty to the platform, stating that it remains true to his roots. The film has proven to be a commercial success, grossing $51.2 million against a modest budget of $3 million. Based on an indie horror game by David Szymanski, 'Iron Lung' follows the story of a convict named Simon who is trapped in a submarine and must navigate a terrifying ocean of blood in search of vital resources for humanity after a catastrophic event known as 'The Quiet Rapture'. The film features a strong supporting cast, including notable voices such as Troy Baker, Elle LaMont, fellow YouTuber jacksepticeye, and Rahul Kohli. Fans who missed its limited theatrical release can now look forward to experiencing the tension-filled narrative at home.