Achtung! Cthulhu brings you a two-fisted wartime roleplaying game setting packed full of fiendish Nazis, terrifying ancient mysteries, legendary war machines, and enough writhing tentacles to fill ten Reichstags! Three Kings is the first in a series of standalone adventure supplements in the globe-spanning Zero Point campaign for Achtung! Cthulhu. Join a band of heroic soldiers, agents, and partisans behind enemy lines on the eve of World War Two, as they discover the unspeakable horrors of Castle Karlstein in occupied Czechoslovakia! Inside you will find everything that you need for hours of gripping roleplaying adventure including: - A standalone multi-part adventure for hours of spine-chilling play. - Maps of Europe, Czechoslovakia, Castle Karstein, and the surrounding area - An Operational Briefing Handout - Setting information on Nazi-Occupied Czechoslovakia - Four pregenerated characters to get you playing immediately.