The document defines the thriller genre as featuring ordinary heroes pitted against villains seeking to destroy countries or the free world. Thrillers create suspense and excitement through high stakes action, plot twists, vibrant settings, and a fast pace. The purpose is entertainment. Common conventions include an investigation of an enigma by the hero, violence, and a rational explanation of mysteries. There are many thriller subgenres like crime, disaster, and political thrillers. Character archetypes include cops, criminals, stalkers, and victims.