The first half of the film is a masterclass in claustrophobia. Even before the monsters appear, the audience feels the weight of the earth pressing down on the characters. By the time the supernatural elements are introduced, the characters are already physically and mentally broken, leading to a frantic, bloody finale that remains one of the best "final girl" arcs in horror. The "Original" Ending
i for interlaced). In progressive scan, all lines of each frame are drawn in sequence. For a fast-paced horror film with monsters leaping out of shadows, progressive scanning is non-negotiable to avoid the “combing” artifacts of interlaced video.