Run the round

How to play Call of Cthulhu One-Shot

Step 1

Chaosium's classic investigation horror using the free The Haunting intro.

Step 2

Judge the call result against the scoring rule before anyone resets.

Step 3

Reset the call setup, rotate evenly, and stop at the agreed finish condition.

Guide details

Run it cleanly

Scoring

How the result works

Chaosium's classic investigation horror using the free The Haunting intro. The keeper pauses for a table content check after each major reveal. Format: Investigation horror.

Example: Chaosium's classic investigation horror using the free The Haunting intro.

Host tip

Keep it clean

Changing the call objective or score value after the round starts. Keep it visible.

Safety: Use age- and space-appropriate pieces or props, keep walkways clear, and allow a pass on any unsuitable challenge.

Best for

Who it fits

3-6 who want a 60-180 min round.

Energy

Pace

Low

Board TTRPG

Category ttrpg

Best for 3-6 who want a 60-180 min round.

Players 3-6

Time 60-180 min

Gear Rules notes, dice, character sheets, and map or cards as needed

Space Table with room for sheets, dice, and shared notes

Energy Low

Setup Start from TTRPG Board and tell the group the activity is Call of Cthulhu One-Shot.

Twist it

Variations to try

Quick mode: play one short timer round, record the result, then decide rematch or switch.
Team mode: split into two teams and rotate turns so mixed skill stays playable.

Moment fit

Use it in these hubs

Call of Cthulhu One-Shot also fits these setup-first pages when the group starts from the situation instead of the board.

Group share

Send the setup

We're playing Call of Cthulhu One-Shot from Studboards. Chaosium's classic investigation horror using the free The Haunting intro. Fits: Players: 3-6 | Time: 60-180 min | Gear: Rules notes, dice, character sheets, and map or cards as needed Safety: Use age- and space-appropriate pieces or props, keep walkways clear, and allow a pass on any unsuitable challenge. View Idea: https://www.studboards.com/boards/ttrpg/ttrpg-call-of-cthulhu-one-shot.html

Call of Cthulhu One-Shot

Quick start.