FNAF 4, also known as Five Nights at Freddy's 4, is the fourth chapter of Scott Cawthon's popular indie horror franchise, released in 2015. This installment introduces a major gameplay change, replacing security management with intense sensory-based survival. Rather than playing as a night guard, you control a frightened child in a dark bedroom, relying on a small flashlight to confront terrifying nightmare animatronics.