Ghoul Island - Cthulhu Mythos for 5e

Dungeons & Dragons 5e, Homebrew Game on Discord, Roll20

Dungeons & Dragons 5e



About the adventure

Have you ever wanted to play as a terrifying Mythos Ghoul or an adorable Dreamlands Cat from the works of HP Lovecraft, but in the traditional fantasy setting iconic of D&D 5e? Then Sandy Peterson's Cthulhu Mythos Sagas are the adventures for you! Whether you're looking for a serious game, a game filled with wacky hijinks, or a healthy mix of the two, look no further! Our heroes find themselves on a merchant ship setting sail for the island of Farzeen. Their mission is simple enough: deliver precious cargo to the island's priests. However, things quickly go sideways as their sojourn takes a turn for the worse. After a harrowing journey, the pristine city of Farzeen is a welcome respite, but odd occurrence after odd occurrence threatens the calm island paradise, especially after the heroes uncover a centuries-long secret thought to have been buried long ago... Choose from a slew of unique playable races - the macabre Mythos Ghoul, the tricksy Zoog, the Large (yes, you heard that right, a playable race that's Large!) Gnorri, or the aloof Dreamlands Cat. New Mythos-themed subclasses for every class, including the Barbarian's Path of Delirium, the Cleric's Destruction Domain, the Warlock's Elder Influence patron, the Wizard's School of Ritualism, and many more! Uncover mysteries of untold horrors that threaten to drive even the most courageous hero mad with dread. Encounter horrifying monsters from beyond the stars that defy all comprehension. Wield ancient, occult symbols and advanced, alien technologies alike to give yourself an edge against the encroaching darkness. Go toe to toe with an Elder God of unfathomable power and (hopefully) survive to tell the tale. Step forth into this realm of madness if you dare... Looking forward to playing with you!

Professional Game Master



13 Reviews

6 years as a TTRPG player

4 years as a Game Master

26 games hosted

Brings Roll20, all D&D 5e books, and the Cthulhu Mythos expanded ruleset to the table

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Additional Details

How to prepare

Players will receive a copy of the expanded ruleset and will be encouraged to peruse the chapters with the setting specific races/subclasses and dread/insanity mechanics, but, once again, it's not necessary. Players are also encouraged to create a backup character as the adventure has a decent probability of PC death, but again, not necessary. I use a combination of Discord and Roll20 to run the game, so players must have both installed and registered.

What I provide

A hearty laugh, a warm smile, and an encyclopedic knowledge of the game!

Gameplay details

In addition to all Core 5e content, we will be using a Cthulhu Mythos expanded ruleset which includes 4 mythos specific playable races, mythos specific subclasses, and a more nuanced Insanity mechanic. This adventure focusses on exploration and discovery, with a huge map to explore and a large number of landmarks to discover. Creatures of all shapes and sizes will be encountered on your journey, some friend and some foe. Expansive dungeons filled with ancient and powerful weapons, and treasure in every nook and cranny.

Content warnings


Safety tools used


How will character creation work

Characters will start at level 1. I will personally assist in character creation in one-on-one sessions. Utilizing the setting specific races and subclasses are encouraged, but not necessary.

Players can expect

  • Combat/Tactics: High
  • Roleplay: Medium
  • Puzzles: Low
  • Experience Level: Intermediate

Player reviews (13)

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Ghoul Island - Cthulhu Mythos for 5e

13 Reviews

Price per player-session
You will be charged when a session starts


  • Duration: 3 to 4 hours
  • Number of players: 2 to 6 players
  • Experience required: Intermediate
  • Glowing demon knight leading an army of undead

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