Experience IRON LUNG, the sci-fi horror film from @markiplier ​available now, exclusively on YouTube yt.be/ironlung In a post-apocalyptic future after "The Quiet Rapture" event, a convict explores a blood ocean on a desolate moon using a submarine called the "Iron Lung" to search for missing stars/planets. #ironlung #markiplier #film #youtube #horror #videogames