How 'Lifeforce' Achieved Its Mind-Bending SFX: A Deep Dive into 1980s Practical Effects 'Lifeforce' pushed the boundaries of practical special effects in the 1980s. The film's most striking visual element - the collapsing, life-drained corpses - was achieved through intricate mechanical systems and fluid-filled bladders that caused actors to appear to physically shrink on camera. This, combined with cutting-edge laser beam technology and detailed model work of the alien spaceship, shows how filmmakers at the time solved complex visual problems before CGI became the standard. 'Lifeforce' (1985) stands as a monument to practical filmmaking ingenuity. Directed by Tobe Hooper and produced by Cannon Films, the movie tells the story of astronauts who encounter a mysterious alien spacecraft near Halley's Comet, only to be drawn into a plot involving energy-sucking space vampires. With a budget of $25 million, the production brought together multiple effects teams led by John Dykstra, resulting in a visual spectacle that combines real-world miniatures, complex prosthetic creations, and innovative lighting techniques to depict the strange transformations and otherworldly environments seen in the film.