This page acts as an index for all the free Call of Cthulhu adventures available on the blog. If you enjoy one of these adventures, I’d love to know how it went! Comment here or find me on Blue Sky (@1shotjc.bsky.social) or Threads (@Thalcos). Enjoy!
THE BLACK MINE OF TEIHIIHAN (Old West – Down Darker Trails)
While traveling to Arkansas City, a band of travelers becomes stranded in the desert. Just when they think hostile bandits are the worst of their problems, they soon discover an ancient curse that threatens to bring darkness and madness to the new settlements in Kansas. Learn More or watch the YouTube summary. 
- The Black Mine of Teihiihan (Call of Cthulhu)
- The Black Mine of Teihiihan (Call of Cthulhu) – Printer Friendly
CANYON OF THE SNOW CAIRNS (Ice Age Horror)
Set 30,000 years ago, somewhere in Europe, long before the dawn of civilization. Weeks before winter sets in, the PCs witness their tribal leader captured by a mysterious, rival tribe. Fearful that their tribe will be doomed without his leadership, they set out to rescue their chief in the haunted Forest of Howling Sorrows. Learn More or watch the YouTube summary. 
- Canyon of the Snow Cairns (Call of Cthulhu)
- Canyon of the Snow Cairns (Call of Cthulhu) – Printer Friendly
FEAST OF ODOACER (Roman Horror – Cthulhu Invictus)
In the last days of Rome, Ravenna is on the very precipice of collapse. To prevent catastrophe and save the empire, King Odoacer sends the PCs on a desperate and secret mission, even as spies, cults, and an enemy army converge on the city. Learn More.
- Feast of Odoacer (Call of Cthulhu: Cthulhu Invictus)
- Feast of Odoacer (Call of Cthulhu: Cthulhu Invictus) – Printer Friendly
THE FESTERING LOCUSTS OF FENMORE (18th Century Horror)
In 1758, the wilderness of northern New York is scarred by war. Desperate to get his father and sister to move south, a colonial militiaman asks his closest friends to help. Soon, the PCs find themselves alone, surrounded by foes, and embroiled in the man’s dark secrets. Learn More.
- The Festering Locusts of Fenmore (Call of Cthulhu: Down Darker Trails)
- The Festering Locusts of Fenmore (Call of Cthulhu: Down Darker Trails) – Printer Friendly
THE FINAL VOYAGE OF DRAENGR THAR (Vikings)
Bjørgvin’s greatest raider has been stranded in a cold inlet far to the north, his longboat splintered and his best men wounded. A group of Vikings sets out to bring him home, but once they reach this lonely place, they discover that they’ve walked into the haunted land of an old king that defied the gods. Learn More or watch the YouTube summary.
- The Final Voyage of Draengr Thar (Call of Cthulhu Dark Ages)
- The Final Voyage of Draengr Thar (Call of Cthulhu Dark Ages) – Printer Friendly
- The Final Voyage of Draengr Thar – VTT Assets
A FLAW IN THE LENS
In 1974, a renowned ornithologist invites his family to a remote Mexican island to celebrate a new discovery. However, soon after arriving on the island, the family members discovers that their beloved uncle has become a pawn for forgotten, cosmic forces. Learn More.
- A Flaw in the Lens (Call of Cthulhu)
- A Flaw in the Lens (Call of Cthulhu) – Printer Friendly
- A Flaw in the Lens – VTT Assets
LANDS OF THE DARK WICCHE (Medieval Horror)
Set in 15th century Germany, the PCs discover that an insidious witch has taken vengeance against a powerful bishop and his illegitimate son. Forced to find the bishop before the witch strikes again, the PCs must travel a dangerous road infested by outlaws, traitorous rebels, and bizarre creatures from folklore. Learn More or watch the YouTube summary.
- Lands of the Dark Wicche (Call of Cthulhu Dark Ages)
- Lands of the Dark Wicche (Call of Cthulhu Dark Ages) – Printer Friendly
- Lands of the Dark Wicche (Call of Cthulhu Dark Age) – Simplified Chinese – 黑女巫之地
THE LOST JEWELS OF EIRE (1930s Pulp)
Thrust into a frantic race to find the long-lost Irish Crown Jewels, the PCs must escape vengeful gangsters, fend off a mysterious cult, rescue a Romanian princess, and then infiltrate a secret cabal of master thieves… all before the Third Reich can get their hands on the legendary treasure! Learn More or watch the YouTube summary.
- The Lost Jewels of Éire (Call of Cthulhu)
- The Lost Jewels of Éire (Call of Cthulhu) – Printer Friendly
THE MOUND IN THE YARD (80’s Slasher Horror)
In 1981, a small rural town in Tennessee experienced unexplained phenomena. Several bone-ridden, dirt mounds erupted in the yards of its residents, causing a local man to go mad and suddenly die. This investigation-heavy adventure lets PCs uncover the town’s decade-old secrets and prevent the return of its most notorious killer – “Longhandle.” Learn More or watch the YouTube summary.
- The Mound in the Yard (Call of Cthulhu)
- The Mound in the Yard (Call of Cthulhu) – Printer Friendly
THE PHANTOM JUNGLE (1930s Pulp)
After being betrayed and stranded in the jungles of Peru, the heroes are desperate to return back to civilization. However, standing in their way is not only the wilds of the jungle, but also desperate revolutionaries, a ruthless jetpacking mercenary, an old Confederate ironclad, and a shocking secret sealed inside a forgotten temple. Can you survive The Phantom Jungle? Learn More or watch the YouTube summary.
- The Phantom Jungle (Pulp Call of Cthulhu)
- The Phantom Jungle (Pulp Call of Cthulhu) – Printer Friendly
SHADOWS OF THE OLD SUBWAY (Solo Horror)
In 1918, the New York City subway system was still under construction. A lone engineer is sent into the tunnels to investigate the source of an unusual series of electrical fires. What they find in the darkness, however, is a nightmarish secret… Learn More
- Shadows of the Old Subway – Solo Adventure for Call of Cthulhu
- Shadows of the Old Subway – Solo Adventure for Call of Cthulhu (Printer Friendly)
- Shadows of the Old Subway – VTT Assets
SPECTRAL TIDES: THE GOBLIN-THING (1980s Action Horror)
The teens of Oak Harbor all know the legend of the Goblin-Thing, a creature that swims in the nearby waters, eats the heads of seals, and collects treasure from the sunken wreckage of the Mosquito Fleet. But when their best friend has vanished after claiming to have found the Goblin-Thing’s loot, they have to spring into action to rescue him, dodge a dangerous fugitive, and avoid a century-old curse. Learn More or watch the YouTube summary.
- Spectral Tides (Call of Cthulhu)
- Spectral Tides (Call of Cthulhu) – Printer Friendly
- Spectral Tides – VTT Tokens, Assets, and Audio
ST. CECILIA’S BLASPHEMOUS BORDELLO (Old West – Down Darker Trails)
A small town’s famous bordello was suddenly shut down and purchased by a group of nuns – who promptly reopened the site as an orphanage. A few weeks later, the old bordello has become the site of two ghastly decapitations. Not having time to get involved, the sheriff asks the PCs to help investigate. Soon, they discover the existence of a horrible supernatural entity created through the town’s anger and shame… Learn More or watch the YouTube summary.
- St. Cecilia’s Blasphemous Bordello (Call of Cthulhu)
- St. Cecilia’s Blasphemous Bordello (Call of Cthulhu) – Printer Friendly
THE STRANGE & SUNKEN FATE OF KARL HEINRICH (1930s Lovecraftian Horror)
A sequel to H.P. Lovecraft’s “The Temple,” the PCs dive deep into the ocean to recover a German submarine thought to be lost. Little do they know that their expedition will awaken a mysterious god’s servants. Learn More.
THOSE THE COMET BRINGS (1950s Atomic Horror)
A car full of teenagers heads to the Jersey Shore for some fun, sun, and waves. Suddenly, strange radiation brings their car to a halt in the Pine Barrens… and they stumble on to a horrible scene involving dead bodies, a mysterious meteor, and dangerous creatures from another star. Learn More or watch the YouTube summary.
- Those the Comet Brings (Call of Cthulhu)
- Those the Comet Brings (Call of Cthulhu) – Printer Friendly
THRUSHER MANOR (17th Century Horror)
In 1680, Duke Montmorency was exiled from Versailles to St. Médard, a private island where hedonism, black magic, and vice ran rampant. Years later, when contact with St. Médard is lost, the PCs are dispatched to find out what happened to the island’s infamous guests Learn More or watch the YouTube summary.
- Thrusher Manor (Call of Cthulhu)
- Thrusher Manor (Call of Cthulhu) – Printer Friendly
THE UNCANNY CURSE OF SEKHMET (1930s Pulp)
After chasing a notorious bank robber across fascist Italy, the heroes stumble into the plans of a desperate and dangerous society of global conspirators. Soon, they are sent tomb raiding across Egypt in a race to find a secret that has been buried for thousands of years. Learn More or watch the YouTube summary.
- The Uncanny Curse of Sekhmet (Call of Cthulhu)
- The Uncanny Curse of Sekhmet (Call of Cthulhu) – Printer Friendly
