Achtung! Cthulhu 2d20: Operation Black Cap (PDF)

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Battle the Black Goat of the Woods!

It is March 1941, and Section M receives reports that a Ju 52 transport plane has been downed near the village of Glavica in Yugoslavia. Planes do crash in this remote mountain range, but reports of strange atmospheric conditions intrigue Section M’s analysts.

When further intelligence is received that the plane was carrying an unusual stele recently unearthed by the Black Sun in Italian East Africa, agents are sent on to investigate. However, with an Axis invasion imminent, Yugoslavia is a volatile theatre of operations and getting in and out again will be no easy task. 

Deposited on the shores of the Adriatic, the agents must meet a local contact and work their way inland while evading Yugoslavian patrols before making their way to the remote mountain village using subterfuge or main force.

Yet once they arrive, what awaits them there is not only a Black Sun task force, but a cult of Shub-Niggurath worshippers who have called upon the wrath of the Black Goat of the Woods to recover their lost artefact and smite the unbelievers.

Caught between the forces of Black Sun and the cult, will the agents be able to recover or destroy the stele and make it out of the country?

Their path is fraught with obstacles, like checkpoints, hordes of would-be refugees and Black Sun agents who stand in their way. Worst of all, can they escape the vengeance of the fearsome Servant of Shub-Niggurath which has been set on their tail?

Find out in this latest thrilling Achtung! Cthulhu adventure!


  • A 23-page adventure for 4-6 agents in both standard and printer friendly formats. Can be run as a one-off adventure or easily incorporated into ongoing campaigns.
  • Infiltrate Yugoslavia via the Adriatic Sea, rendez-vous with a local contact, search the crash-site for occult artefacts, and escape the region safely.
  • Features maps to enhance the playing experience for both players and GMs.

Requires the Achtung! Cthulhu 2d20 core books to run.

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Customer Reviews

Based on 1 review
Björn Lippold (Mephisto magazine)
Dangerous cargo - a Mephisto review

Montenegro, 1941: A Black Sun plane crashed, and Section M is eager to learn more about the cargo being transported. Therefore, the agents are sent out to travel undetected from the coast to the crash site, scout out the situation, and intervene if necessary. This means that they are to either secure or destroy artifacts of value. Operation Black Cap takes place in two acts. First, the agents must arrive at the target location and avoid patrols, since the country is in a state of alert due to an imminent invasion. Then, near the crash site, the player characters discover that they are not the only ones interested in the crashed plane. The agents must avoid or face the other parties until they finally reach the plane wreckage. At that point, it becomes apparent that the cargo is potentially very dangerous.

Ultimately, it is up to the players to decide whether the agents can secure the cargo, must destroy it, or just try to escape with their lives as cthuloid forces are unleashed.

Operation Black Cap is an entertaining short scenario with an interesting premise for one or two evenings of play. In fact, the adventure provides tie-ins for follow-up missions. However, the secondary threat that the agents have to deal with turns out to be a bit archetypical and would have had much more potential.

(Björn Lippold)

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