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Monday, 7 September 2026

Danger During Dunkirk

Achtung! Cthulhu is the roleplaying game of fast-paced pulp action and Mythos magic published by Modiphius Entertainment. It is pitches the Allied Agents of the Britain’s Section M, the United States’ Majestic, and the brave Resistance into a Secret War against those Nazi Agents and organisations which would command and entreat with the occult and forces beyond the understanding of mankind. They are willing to risk their lives and their sanity against malicious Nazi villains and the unfathomable gods and monsters of the Mythos themselves, each striving for supremacy in mankind’s darkest yet finest hour! Yet even the darkest of drives to take advantage of the Mythos is riven by differing ideologies and approaches pandering to Hitler’s whims. The Black Sun consists of Nazi warrior-sorcerers supreme who use foul magic and summoned creatures from nameless dimensions to dominate the battlefields of men, whilst Nachtwölfe, the Night Wolves, utilise technology, biological enhancements, and wunderwaffen (wonder weapons) to win the war for Germany. Ultimately, both utilise and fall under the malign influence of the Mythos, the forces of which have their own unknowable designs…

Achtung! Chtulhu 2d20: Operation Ultimatum is a scenario that takes Achtung! Cthulhu 2d20 almost all of the way back to to the start of the Secret War. It opens in late May, 1940. The Nazi war machine is driving into France with its radical Blitzkrieg tactics and is retreating back to the Dunkirk on the French north coast, awaiting the beginning of Operation Dynamo and the evacuation from the beaches outside of the port. Alongside this is an effort by Section M to find and evacuate as much occult-related material as it can—tomes, artefacts, and more—before it falls into the hands of either Black Sun or Nachtwölfe. Unfortunately, whether intentionally or unintentionally, the German Luftwaffe has already caught up with Professor Guilbert Paschal, a Section M researcher operating in Normandy and racing to reach Dunkirk when his convoy was destroyed. From its field base in France, Section M sends its agents to investigate the ruins of the convoy, determine the fate of Professor Paschal, and recover his equipment and research. Whatever they are, they could be crucial in understanding Germany’s objectives in the Secret War.

The action begins with the agents of Section M—the Player Characters—roaring up to the site of the convoy’s destruction on British Expeditionary Force provided motorcycles. Time must be of the essence! The agents have time though to investigate the site and gather both clues and left-behind advanced British anti-Mythos technology before following the trail to the nearby ruins of a medieval castle, its towers ablaze with blue flashes of lightning. A contingent of Nachtwölfe troops has got there first though and the agents will need to get past them before climbing to the top of the castle and face another faction in the Secret War. After that, it is time to pack found so far and head home to dear old Blighty and tea and biscuits!

If this sounds a bit short, then that is because it is. Achtung! Chtulhu 2d20: Operation Ultimatum is written as a demonstration scenario, one that can be run in an hour and showcase the roleplaying game’s background and 2d20 System mechanics. In terms of background the scenario is simple. There is a mission, it involves the occult, there are Nazis, and there are Mythos entities to face. Which means that at least three of the setting main elements are involved, the others being the other factions in the Secret War and the rivalries between them. If there is an issue here, it is that Nachtwölfe troops have no weapons or items of Blauer Kristall technology which the organisation’s signature.

In terms of the mechanics, the scenario’s three scenes guide the Game Master through the key mechanics that she needs to get her players used to. This starts off with a simple skill roll and the generation and use of Momentum, ways for the Game Master to complicate a scene, combat, the use of Fortune and Truths, and so on. None of it is complex and it is handled in an easy fashion. However, Achtung! Chtulhu 2d20: Operation Ultimatum is not a quick-start and the Game Master will need to know the rules and have access to them prior to play. That said, the Game Master can run the scenario using the rules in the Achtung! Cthulhu 2d20: Player’s Guide and the Achtung! Cthulhu 2d20: Gamemaster’s Guide, or she can use the rules found in the Achtung! Cthulhu 2d20 Quick-start. The latter is actually a good option, since it includes ‘A Quick Trip to France’. This scenario takes place in June, 1940 and sees the agents return to now occupied France mere weeks after the end of Operation Dynamo. Specifically, near the city of Rouen in Normandy, so potentially where the late Professor Guilbert Paschal was conducting his last mission. Effectively, although designed as a taster to Achtung! Cthulhu 2d20 and the Secret War, Achtung! Chtulhu 2d20: Operation Ultimatum works very well as a prequel to the ‘A Quick Trip to France’.

As a demonstration scenario, Achtung! Chtulhu 2d20: Operation Ultimatum includes four pre-generated agents. They consist of a German journalist and satirist who has fled the Nazis, a French spy/burglar/killer for hire, a French-Canadian female mechanic and bomb-maker, and a female occultist armed with a couple of Yog-Sothothery-style spells. These are decent enough, but could easily be replaced by agents of the players’ own design.

Physically, Achtung! Chtulhu 2d20: Operation Ultimatum is well presented. The map of the castle is excellent and each of the pre-generated agents is accompanied by a nice illustration.

Achtung! Chtulhu 2d20: Operation Ultimatum is a simple affair by design. Since it is a one-hour demonstration scenario, it is not one that a Game Master is going to pick to run for her group when there are plenty of other options available for the roleplaying game, including of course, the Achtung! Cthulhu 2d20 Quick-start. However, Achtung! Chtulhu 2d20: Operation Ultimatum comes into its own as a prelude to the Achtung! Cthulhu 2d20 Quick-start, almost right at the start of of an Achtung! Chtulhu 2d20 campaign.

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