This supplement is a collection of scenarios that introduce science fiction to the Twilight 2000 game. The book consists of 6 full adventures as follows: - You're Not From Around Here, Are You? - The Rumors of Our Extinction... - The Orpheus Extract - This Ain't No Weather Balloon. - Them? - Warlord Also included are 4 short scenarios as follows: - Seeing is Believing - Electric Slugs - The Cloud - Fido, Fidas, Fidat The supplement is designed to work with both Twilight: 2000 and Merc: 2000.