Iron Lung (2026)
Iron Lung is a 2026 horror movie directed by Mark Fischbach, with a running time of 2h 5m. It stars Mark Fischbach, Caroline Kaplan and Troy Baker.
After an event called the Quiet Rapture erases every star and habitable world without warning, a convict is handed one last job. An ocean of blood has surfaced on a dead moon, and someone has to go photograph it. That someone pilots the Iron Lung, a cramped submarine with no windows, navigating by a grainy camera and a paper map through fluid that hides things. Mark Fischbach, better known as Markiplier, writes, directs and stars, adapting David Szymanski's claustrophobic video game into feature form. Troy Baker and Caroline Kaplan round out the small cast.
Quick answers
What is Iron Lung about?
After an event called the Quiet Rapture erases every star and habitable world without warning, a convict is handed one last job. An ocean of blood has surfaced on a dead moon, and someone has to go photograph it. That someone pilots the Iron Lung, a cramped submarine with no windows, navigating by a grainy camera and a paper map through fluid that hides things. Mark Fischbach, better known as Markiplier, writes, directs and stars, adapting David Szymanski's claustrophobic video game into feature form. Troy Baker and Caroline Kaplan round out the small cast.
When was Iron Lung released?
Iron Lung was released on 30 January 2026.
How long is Iron Lung?
Iron Lung runs 2h 5m.
Who made Iron Lung?
Iron Lung was directed by Mark Fischbach.
Where can I watch Iron Lung?
Iron Lung is available on YouTube.
Where to watch Iron Lung
Rent: YouTube
Buy: YouTube
Official site
Cast
- Mark Fischbach as Simon
- Caroline Kaplan as Ava
- Troy Baker as David
- Elsie Lovelock as SM-8 Research Lead / The Speaker (voice)
- Elle LaMont as SM-8 Research Assistant / The Whisper (voice)
- Mick Lauer as The Guy Who Told You to Cross the Wires (voice)
- Dave Pettitt as The Father
- Holt Boggs as Eden Soldier
- Isaac McKee as Young Simon
- Roman Parsons Crow as Child of Eden
- River Van Coleman Crow as Child of Eden
- Townes Blaine Crow as Child of Eden
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A few thoughts on Iron Lung
This began as David Szymanski's Iron Lung, a 2022 horror game that trapped you in the same blind submarine with nothing but a camera and rising panic. Play that first. For more deep-sea existential dread, SOMA sinks you into an undersea facility and asks hard questions about what a person even is.
Claustrophobic sci-fi horror where the ship or station becomes its own monster
Iron Lung traps its pilot inside a windowless submarine with only a grainy camera to see by, and these films run on that same dread of a confined vessel turning hostile. Alien and Event Horizon both let a ship become the threat, both versions of The Thing turn an isolated station paranoid, Sphere drops a deep-sea crew into an unknowable presence, and Prometheus lands its crew in hostile territory.
Play the horror games this same underwater dread was built from
Iron Lung is adapted straight from David Szymanski's own horror game, so the source itself belongs on this list, the 2022 original puts you inside that same windowless submarine yourself. BioShock and BioShock Infinite build their own drowned, decaying underwater cities, and Soma traps its player in a flooded research station facing the same question of what's still human down there.
Body horror where flesh and machinery stop making any kind of sense
Whatever Iron Lung's pilot photographs in that blood ocean clearly isn't behaving like normal matter, and that same wrongness runs through these. The Blob and Lifeforce turn something formless loose on ordinary people, Eraserhead and Meatball Machine warp flesh into something no longer recognizable, and Tomie, Tokyo Ghoul and Bio Booster Armor Guyver all push the human body past where it should stop changing.
Alone in a hostile, unknowable place with no one coming to help
Iron Lung's pilot has nobody else on that sub and no way to call for backup, which is the exact isolation these lean into. No One Will Save You and Die Alone strip away rescue, Backrooms traps someone in an empty, wrong-feeling space with no exit, Annihilation sends a small team into a zone that stops making sense, and Project Hail Mary strands one man completely alone on his mission.