: 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.
: 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. CTHLUHU_CONFIDENCIAL.zip
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 : Every protagonist has "Sources"—NPCs they can visit
: 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. Outcomes are divided into three levels: Advance :
: These are your bread and butter. You automatically succeed and find core clues if you are in the right place and use the right ability; no dice roll is required.