The Cat Lady is a single-player horror graphic adventure and the second entry in the Devil Came Through Here trilogy, following Downfall and preceding Lorelai. It is a puzzle-based adventure played entirely with the four arrow keys, so characters move left and right between scenes while the up and down keys handle interacting with the environment and inventory. Dialogue is fully voiced, and occasional dialogue choices can shift the story and its ending slightly. The game deals with mature themes including depression, suicide, murder, and illness, alongside moments of humor.