Learn all the dirty details and concrete truths of the megacorp-dominated world of Polychrome, where the cyberware is cheap and the lives are cheaper. In addition to the history and ruthless corp-controlled culture of this long-isolated world, GMs will find general resources for running a cyberpunk-fueled game in the twisted steel tunnels of the Warrens, chock-full of the system-neutral sandbox helps you've come to expect from Sine Nomine. Adventure outline tools, quick reference sheets, new cyberware, and an included mini-adventure will ensure that this worldbook is all you'll need to give your Stars Without Number game excitement with a mirrorshade sheen.