The gameplay of FNAF Games revolves around the player taking on the role of a security guard in a pizza shop. The main task is to monitor security cameras to keep an eye on animatronics, animated robots that can become dangerous at night. Players must manage their energy resources wisely, as the use of lights and safety doors is limited. The suspense increases as the animatronics get closer, forcing the player to make quick decisions to survive each night. The gameplay combines strategic and psychological elements, creating a tense and exciting experience.