Greatest Science Fiction Film Tournament: Lifeforce (1985) October 24, 2013 We continue our look at Halloween themed entries in the Greatest Science Fiction Film Tournament with Lifeforce (1985). Share this:Click to share on Facebook (Opens in new window)Click to share on Mastodon (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Twitter (Opens in new window)