Requires Shadowrun, Twentieth Anniversary Edition; details extreme environments of the Sixth World, including deserts, cold areas, underseas, and outer space, providing plot hooks, gear, and other information gamemasters and runners need to stage adventures in these areas. • Describes events happening in extreme environments of the Sixth World and different ways gamemasters can incorporate these settings into their game. • Introduces new gear and spells for use in the environments described in the book. • Further develops plot threads from books such as Corporate Intrigue and Jet Set. • Presents plot hooks and other ideas that gamemasters can use to easily adapt the elements of the book into their game. • Describes groups and individuals operating in extreme environments, along with facilities that could play important roles in players’ games. • Presents fiction that will help immerse gamemasters and players in extreme environments and the ongoing Shadowrun plot.