Based On The Gumshoe System By Robin D. Laws →

: These require rolling a single six-sided die (d6) against a difficulty number, typically 4.

: 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. Based on the GUMSHOE System by Robin D. Laws

: Players can spend points from their general ability pools before rolling to add a +1 bonus per point spent to their result. Popular GUMSHOE Games : These require rolling a single six-sided die

: 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. Based on the GUMSHOE System by Robin D. Laws