Lifeforce. Word Search Puzzle Solver. Lifeforce word Search Puzzle Game. Find words related to movie actors, actresses, and genres. Word Search Puzzle Solver. A space shuttle mission investigating Halley's Comet brings back a malevolent race of space vampires who transform most of London's population into zombies. The only survivor of the expedition and British authorities attempt to capture a mysterious but beautiful alien woman who appears responsible. This includes identifying and searching for words that are related to : Chris Sullivan, Derek Benfield, Jerome Willis, John Woodnutt, Science Fiction, Michael Gothard, Frank Finlay, John Hallam, Steve Railsback, Patrick Connor, Russell Sommers, Peter Firth, Sidney Kean, John Keegan, Paul Cooper .