: 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
: Used for action-oriented tasks where the outcome is uncertain, such as combat, athletic feats, or driving.
: 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 :
