Markiplier Crafts Thrilling DIY Submarine Horror Experience

Mark Fischbach, famously known as Markiplier, ventures into filmmaking with his latest project, “Iron Lung.” This film, set underwater in an experimental submarine, transforms a well-loved indie horror video game into a narrative rich with psychological depth and tension.

Overview of ‘Iron Lung’

“Iron Lung” captures the audience’s attention with its claustrophobic atmosphere and profound themes. The film expands on the original game by David Szymanski, delving into the character of Simon, portrayed by Fischbach himself. As the story unfolds, viewers witness Simon’s harrowing journey through a confined underwater space.

Plot Details

Simon embarks on a resources and data-collection mission, which quickly escalates into a struggle for survival. He loses communication with Ava, the radio dispatcher voiced by Caroline Rose Kaplan, leaving him isolated in darkness. The narrative hints at a world ravaged by an event known as The Quiet Rapture, which has drastically altered humanity’s survival landscape.

Character Development

The film intricately explores Simon’s psyche, tracing his journey from a duty-bound mission to an introspective fight against his circumstances. As Simon confronts his situation, his dialogue is marked by frantic urgency, asking probing questions about his fate. This blend of psychological and cosmic horror provides depth to his character.

Visual and Auditory Craftsmanship

Mark Fischbach’s direction showcases his keen attention to detail. He employs striking visuals and sound design to immerse viewers in Simon’s tense reality. The use of close-ups, such as blood-red condensation forming and dripping, enhances the film’s analog horror aesthetic. The blown-out audio quality from the submarine’s speaker adds a layer of authenticity to the experience.

Conclusion and Future Prospects

Though “Iron Lung” may not be a flawless debut, it demonstrates Fischbach’s ambition and vision as a filmmaker. The film’s unique premise and character-driven storytelling set it apart, suggesting potential for cult classic status. With its trippy conclusion blending body horror and Lovecraftian themes, “Iron Lung” marks a bold step in Markiplier’s creative journey.

Key Information

• Director: Mark Fischbach
• Writer: Mark Fischbach
• Starring:
  • Mark Fischbach
  • Caroline Rose Kaplan
  • Troy Baker
  • Elsie Lovelock
  • Elle LaMont
  • Seán McLoughlin
  • Isaac McKee
• Release Date: January 30, 2026