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Roll20 Marketplace Product

MM | Insanity & Trauma

Author: Daniel R.

Addon: Content which can be added into any game - new or existing!

Price: $4.99
This Game Addon is available in the following bundles

🧠 Miskatonic Mysteries – Set 5: Insanity & Trauma (Call of Cthulhu)

Delve into the darkest corners of the human mind with Miskatonic Mysteries – Set 5: Insanity & Trauma, a grim and immersive toolkit for Keepers of Call of Cthulhu. This set explores the psychological and physical toll of cosmic horror through detailed D100 tables, adding lasting consequences to your investigators' descent into madness.


📦 What's Inside:

This set includes 7 D100 tables with a total of 700 unique entries focused on mental breakdowns, traumatic effects, and coping mechanisms:

  1. Insanity Manifestation – From phobias and compulsions to hallucinations and dissociation.
  2. Consequences of Madness – Long-term effects like institutionalization, social exile, or physical changes.
  3. Physical Trauma – Realistic body injuries and conditions with narrative impact.
  4. Specific Phobias – A wide variety of fears triggered by traumatic or mythos-related events.
  5. Psychological Trauma – Flashbacks, nightmares, emotional damage, and personality shifts.
  6. Defense Mechanisms – Conscious and unconscious ways to survive the mental strain.
  7. Treatment & Recovery – Traditional and obscure methods for restoring mental health (or pretending to).

🎯 Why Keepers Love It


👁️‍🗨️ How to Use

Roll 1d100 on any of the tables to instantly generate a condition, trauma, fear, or narrative twist. Mix and match for layered insanity that evolves throughout your campaign.


"Miskatonic Mysteries: Where the mind is the final battlefield."

Unleash the psychological horror in your next Call of Cthulhu game. Grab Set 5: Insanity & Trauma now and let your players discover what truly haunts them — themselves.

i Can only be used with Roll20; cannot be downloaded.

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License: Roll20 End User License Agreement
(Personal Use Only, Do Not Distribute)