Based On The Gumshoe System By Robin D. Laws -

The system divides character capabilities into two distinct categories to ensure the story always moves forward:

: These require rolling a single six-sided die (d6) against a difficulty number, typically 4. Based on the GUMSHOE System by Robin D. Laws

The , designed by Robin D. Laws, is a tabletop roleplaying game engine specifically engineered for investigative scenarios . Its core philosophy is that investigative games should not be about finding clues—which can grind to a halt if a player fails a dice roll—but about interpreting them. Core Mechanics The system divides character capabilities into two distinct

: These work automatically . If a character has the relevant ability (e.g., Forensic Accounting, Cop Talk) and is in a scene with a "core clue," they find it without rolling dice. Its core philosophy is that investigative games should

: Players can "spend" points from an ability's pool to gain "special" clues—extra information that isn't required to solve the case but provides significant advantages or deeper narrative flavor.

The system is used across various genres and settings, primarily published by Pelgrane Press :