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Iron Lung: The History of Simon | Horror History

► Instagram: https://www.instagram.com/czsworld/ ► X (Twitter): https://twitter.com/CZsWorld_Horror/ ► Tik-Tok: https://www.tiktok.com/@czsworld_horror ► Letterboxd: https://letterboxd.com/CZsWorld/ ► Facebook: http://www.facebook.com/CZsWorld/ ► Website: http://czsworld.com/ 🎃 Pop-Punk & Metal History Channel: @PumpkinMetal 👕 Merch: https://crowdmade.com/collections/czsworld Markiplier's Simon may be adapted from a blank slate character, but diving deeper into his story and the lore surfaces Iron Lung's true message about faith, guilt, & humanity’s search for meaning at the end of the universe. IT'S NOT AN EXPEDITION. IT'S AN EXECUTION. Iron Lung began as a minimalist indie horror game from David Szymanski, but Markiplier’s film adaptation expands its universe into a sprawling cosmic nightmare. After a mysterious event known as the Quiet Rapture erases every known star and habitable planet, Simon finds himself trapped inside a rusted submarine, tasked with exploring an impossible ocean of blood. By examining the hidden lore of the game, the religious symbolism woven throughout the film, and the mysteries surrounding the Quiet Rapture itself, I'll be unraveling the purpose of Simon, the meaning of Iron Lung and all the cosmic horror along the way. Chapters 0:00 What was The Quiet Rapture? 3:46 Intro 5:49 From Markiplier Playthrough to Feature Film 8:01 Eden's Faith vs. COI's Science 15:21 Simon's Submarine Voyage 16:45 [Redacted] History 17:57 Documenting The Ocean Floor 19:36 Biblical Leviathan Parallels 21:19 Return to the Blood Ocean 24:53 The "Skeleton" & New Creature Reveal 29:35 SM-8 Discovery & Trapped Voices 32:33 The Rapture, Being Seen, and Baptism Symbolism 37:22 How the Oxygen Level Went Up 38:40 The Secret of SM-8 41:12 Not Everyone Gets Saved 42:47 How The Creature Absorbs Humans 45:31 Transformation Into The Blood Tree: Sacrifice and Atonement 46:29 Film vs Game: Creature Differences 48:00 Conclusion: Meaning From Chaos #markiplier #ironlung #youtubehorror 🩸 About Horror History 🩸 Horror History is a series that takes a deep dive into the characters, villains and events of your favorite icons of horror -- from fictional to factual and everything in between! In each episode I'll go through the subject's entire timeline to give you the most comprehensive analysis. Other Episodes 🔀 Horror History - Playlist: https://www.youtube.com/playlist?list=PLL3r8G2ymJ00ua9NYcQurqmULc5nq7zb2 ▶️ The History of The Backrooms | Horror History: https://youtu.be/W1r058-VK8g Credits ✏️ Writer - Sarah Cliff ✏️ Writer - Zac Morris 👤 Host - Zac Morris 🎵 Original Music - Jimmy Roman (© CZsWorld) ✂️ Editor - Varak Mouradian 💀 About CZsWorld 💀 CZsWorld is a horror film channel by writer-director Zac Morris. New horror videos every week. Remember to turn on deathbell notifications so you don't miss a video! This video is not sponsored. ⚠ Disclaimer: This is a documentary film analyzing a fictional work of art for educational purposes. All actions seen in the video are performed by protagonists and should not be taken as real life footage. All stunts, effects and dialogue are performed by paid actors and all accounts are for the purposes of education, documentary and art. © 2026 CZsWorld LLC