Achtung! Cthulhu in all its glory, but with a twist: this time the characters are Germans! Naturally, given that it is designed as a one-off, although notes are provided on how to reskin the adventure to work within an existing campaign and with regular Allied forces rather than Germans.
Set in December 1944 against the backdrop of the Ardennes counter-offensive, the party will be sent on a top-secret mission to further German ends... but all is, naturally, not what it seems and they will have some hard choices to make in the face of literally mind-blowing threats.
Everything is presented well, atmospherically even, with plenty of information for the GM/Keeper (for this is dual-statted for the Savage Worlds and Call of Cthulhu rulesets); but will repay careful study and preparation to be delivered to best effect. To succeed the party needs good investigative and interpersonal skills, but it's wartime and they'll need to be able to fight as well... and, being in the German army, they have to at least APPEAR to be obeying orders even if they find it increasingly hard to do as they discover the awful truth about the underlying mission their tasks are supporting.
Operating behind enemy lines, coping with weird Mythos-fuelled perversions of medical science, never being quite sure who's on your side... the tension (and the stakes) are high, but this has the potential to be one of those epic adventures that your gaming group will reminisce about for years.