Achtung! Cthulhu is the ENNIE award-winning roleplaying game - Cthulhu as you've never experienced it before in a terrifying World War Two setting now fully updated for Call of Cthulhu seventh edition!

This is the Investigator's Guide, with everything players need to create and run characters in the late 30s and 40s.

Discover the secret history of world war two: stories of amazing heroism, in which stalwart men and women struggle to overthrow a nightmare alliance of steel and the occult; of frightening inhuman conspiracies from the depths of time; of the unbelievable war machines which are the product of Nazi engineering genius and how close we all are to a slithering end! The Secret War has begun!

Inside you'll find a whole kit-bag stuffed with:

New occupations, skills, equipment, and backgrounds from across Europe, the British Commonwealth, and the United States
How you can keep the home fires burning, become part of the Allied war effort, or risk everything by joining the partisans to bring down the Reich from within!
What life was like serving with the various military forces and on the Home Front
An array of historical and fictional material to help you create exciting player characters and NPCs, A background generator, designed to help you find out what dark secrets your past contains
The Investigator's Guide to the Secret War is the definitive guide to the late 1930s and 40s for use by players and Keepers alike.