Killer-instinct -

"Killer Instinct" is a term that refers to several distinct concepts, most notably a landmark fighting game franchise, a psychological trait, and a series of teen thrillers. 1. Video Game Franchise

: The series pioneered several systems that are now staples of the genre: killer-instinct

: The ability to follow certain hits with automatic double hits to extend combos. "Killer Instinct" is a term that refers to