
- BGG rating
- 7.7
Rules assistance for Deep Madness: John Murdock Investigator
Plain-language explanations of turns, card effects and disputed situations, with official source references and saved question history.
- 1–6 players
- 90–120 min
- 14+

Rules assistant for Deep Madness: John Murdock Investigator
What would you like to know?
Answers come from the official rulebook, with the page to check.
Deep Madness: John Murdock Investigator is an expansion for Deep Madness released in 2018 for 1–6 players, 90–120 minutes per game, and ages 14 and up. Its main mechanics are Variable Player Powers, Hand Management, and Dice Rolling.
About the game
Expansion includes: Investigator Figure Investigator Card Activation Card
Mechanics
Publishers
- Czacha Games
- Diemension Games
Questions and answers
Deep Madness: John Murdock Investigator supports 1–6 players according to the catalogue. This range comes from the publisher’s listed player count, so the game can be set up for any group size within it. Some setups, rules and scoring details may still vary by player count, so check your edition’s rulebook for the exact configuration.
The listed playing time for Deep Madness: John Murdock Investigator is 90–120 minutes. This is the publisher’s estimate for a full game. The actual duration depends on the group, the player count and familiarity with the rules: first sessions usually run longer, while experienced groups often finish faster. Setup and teaching time are not included in this estimate.
The catalogue lists Deep Madness: John Murdock Investigator for ages 14 and up. This is the publisher’s recommendation and reflects reading demands, rule complexity and small components rather than theme alone. Younger players can often join with help from an adult, so check the age guidance on your edition and consider your group’s experience with board games.
Deep Madness: John Murdock Investigator belongs to these categories: Fighting, Horror, and Adventure. Its main mechanics are Variable Player Powers, Hand Management, and Dice Rolling. Categories describe the theme and setting of a game, while mechanics describe what players actually do on their turns. Each mechanic links to a catalogue hub with similar games, which helps when you want something comparable.
The catalogue lists Deep Madness: John Murdock Investigator as an expansion for Deep Madness. Expansions add new content, rules or scenarios to the base game and usually cannot be played on their own, so you need Deep Madness to use it. Check that your edition of Deep Madness is compatible, as some expansions were revised between editions.