There Was A Firefight

This set of rules can be used to spice your investigation game. It works best with game using skill systems like GUMSHOE, AI: Become Human, or BRP games (Delta Green, Call of Cthulhu, etc...), but the mechanics introduced can be easily adapted to other more narrative focused games like City of Mist or Cthulhu Deep Green.

The files are free and they include the ruleset module and an interactive PDF to keep track of insight clues and core clues.