text: Though it hardly compares to other sci-fi film giants like 2001: A SPACE ODYSSEY or CLOSE ENCOUNTERS OF THE THIRD KIND, LIFEFORCE does work as a totally berserk and bizarre melding of science fiction and horror elements. Somehow, despite dialogue that approaches the ridiculous and acting that does the same, it manages to work because of a few highly different elements.<br /><br />Loosely based on Colin Wilson's 1976 novel "The Space Vampires", this film from director Tobe Hooper (POLTERGEIST; THE TEXAS CHAINSAW MASSACRE) focuses on a joint US-British mission aboard the British space shuttle Churchill to study Halley's Comet. Led by an American commander (Steve Railsback), they discover an alien