: For physical or stressful actions (like combat or sneaking), you roll a d6 . Outcomes are divided into three levels: Advance : Success with a bonus. Hold : A standard success. Setback : A failure that complicates the story.
: A limited resource you can "spend" with an Investigative Ability to get a bonus benefit or extra information that isn't strictly necessary to solve the case but might make it easier. CTHLUHU_CONFIDENCIAL.zip
: These are physical cards you receive based on your rolls. Edges provide benefits, while Problems (like injuries or mental shocks) hinder you. Your survival often depends on whether your Edges outnumber your Problems. Key Tips for the Game Master : For physical or stressful actions (like combat
: Every protagonist has "Sources"—NPCs they can visit for expertise they don't personally have (e.g., a morgue attendant for medical info). This keeps the investigation moving without requiring a full party. Setback : A failure that complicates the story
: Because there is only one player, they can easily get stuck. Map out the clues and locations beforehand to ensure there are no dead ends.
: If the player goes off-track, don't force them back. Move the necessary clues to where they decided to look instead. Cthulhu Confidential: From a Player's Perspective
is a tabletop role-playing game from Pelgrane Press that uses the GUMSHOE One-2-One system , specifically designed for one Game Master (GM) and exactly one player . Unlike traditional group games, it places a single protagonist in a noir-inspired 1930s-40s setting where they face cosmic horrors. Essential Rules for Players