The player will stay in the guard room and look left and right from a first-person perspective between 12:00 p.m. and 6:00 a.m., as indicated by the clock. Players can observe the facilities and vents through the CCTV interface on the right, and play sound or close the vent gates in various places at the right time; they also have to take into account the computer interface on the left, and restart the sound equipment, CCTV or ventilation system terminal as soon as possible when there is an error to ensure that the operational characteristics of the rides can stop the misbehavior of the dolls, or they will be attacked because of factors such as excessive noise and unobstructed routes. attacked.

Each mannequin has its own unique way of moving. After appearing briefly on the CCTV screen, outside the guard room, or in a vent, the ghost figures will pop up and panic the next time the player drops any interface, looks at the guard room entrance or exit, or encounters a system malfunction, immediately causing errors in the audio equipment, CCTV and ventilation system terminals, giving the real figures a better chance of being led to the guard room. In general, they tend to approach the player. When the player sees the doll wandering outside the guard room, he must use the sound system to take it away as quickly as possible; otherwise, the next time the player puts down, or is forced to put down the interface, looks towards the guard room entrance or exit, or encounters a system malfunction, a pop-up panic will occur, declaring the game to end in a tragedy.

Between each night will be inserted to Atari 2600 style production, hinting at more story background of the passing level, but also more hidden mini-games left for players to discover to start. Although on the surface only need to complete five nights of the game as the game title, but the actual proceeding is in accordance with the story settings, in the opening screen to unlock the hidden nightmare night, for each night to reduce the difficulty of the radar system, as well as increasing the difficulty of the crazy mode. After players complete the five nights of increasing difficulty, the nightmare night, the nightmare night in crazy mode, and crack the hidden ending, they will each receive a star on the opening screen for certification. (There are three stars in total)