Halloween is just around the corner, and if you’re looking to bring some truly chilling atmosphere to your tabletop game night, The Call of the Deep is the perfect adventure. Designed as a one-shot, system-agnostic horror experience, this adventure immerses players in a story of isolation, dread, and impossible choices aboard a 1950s Portuguese cod-fishing trawler. Best of all, it’s available now on DriveThruRPG!
A Descent into the Unknown
The Call of the Deep begins as a routine voyage into the cold, unforgiving waters of Newfoundland. But as the trawler A Esperança do Mar ventures deeper into the dark abyss, strange lights flicker beneath the waves, sailors start to vanish, and the ocean itself begins to whisper ancient, forgotten truths. The ship seems to creak and groan with a life of its own, and soon, the crew is trapped in a nightmare where the past and present collide.
Players will face eerie, unsettling encounters, including visions from the past, mysterious symbols, and the haunting sounds of the sea. As the tension rises, they must confront their deepest fears, make impossible decisions, and determine how far they are willing to go to survive.
Perfect for Halloween: Immerse Yourself in Atmospheric Horror
There’s no better time than Halloween to bring this eerie, psychological horror adventure to your gaming table. With elements of cosmic horror, psychological tension, and the claustrophobic feeling of isolation at sea, The Call of the Deep offers a hauntingly unique experience.
The adventure’s system-agnostic design makes it easy to integrate into your favorite role-playing system—whether it’s Call of Cthulhu, Cthulhu Dark, or even our own simple quickstart system included within. This means you can pick it up, read through it, and start playing with minimal preparation, letting you focus on creating that perfect Halloween atmosphere.
An Adventure Rooted in History and Mystery
Inspired by real-life cod-fishing expeditions, The Call of the Deep blends historical authenticity with supernatural mystery. It’s not just a story of strange encounters at sea; it’s about the lives of sailors, their struggles, and their inner demons. Each pre-generated character comes with their own backstory, secrets, and personal fears, making this adventure deeply engaging and ripe for character-driven drama.
As players explore the trawler, they’ll uncover clues that hint at an ancient pact between the fishermen and something vast, dark, and patient lurking beneath the waves. The choices they make will determine whether they can escape the ocean’s grasp—or if they are destined to be claimed by it.
Why You’ll Love The Call of the Deep:
- System-Agnostic Flexibility: Play it with your favorite RPG system or use the simple rules included.
- Rich, Immersive Storytelling: The adventure is designed to draw players in with vivid descriptions, eerie encounters, and a narrative that encourages role-play and creativity.
- Atmospheric Horror: Perfectly tuned for a night of horror at the gaming table, this adventure creates a sense of creeping dread and uncertainty that will keep players on edge.
- Ready for Halloween: If you need a last-minute one-shot to bring your Halloween game night to life, The Call of the Deep is ready to go.
Get The Call of the Deep Today!
The Call of the Deep is available now on DriveThruRPG. Grab your copy and bring a night of fear and suspense to your Halloween game session. Will your crew confront their past sins, defy the ancient pact, or succumb to the ocean’s call? The choice is yours—but remember, the sea never forgets.


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