Five Nights at Freddy's: Sister Location

The primary objective in Five Nights at Freddy's: Sister Location is to survive the night by preventing the animatronics from reaching your office. You have three main defenses: cameras, lights, and doors. Each of these actions consumes power, and you have a limited supply. Using multiple defenses simultaneously increases power drain. Running out of power before 6 AM results in a game over, though reaching 6 AM with even a sliver of power can lead to victory.

Day Length

Each in-game hour represents 90 seconds of real-world time. Consequently, a full night lasts 540 seconds, or 9 minutes. This information is useful for gauging how much time remains, especially when nearing 5 AM.

Power Consumption

Power is displayed as a percentage, starting at 99% and depleting to 0%. However, the actual power level is measured in tenths of a percent, beginning at 99.9%. The game rounds down the displayed percentage, so a displayed 99% actually means your power is between 99.9% and 99.0%. When the power drops to 98.9%, the display will change to 98%.

The bars below the percentage indicate the rate of power drain, which increases with more active devices. There's a base drain from passive systems like the fan and office lights. The lights and cameras share a single drain bar, meaning only one can be active at a time. Each closed door adds another drain bar. Therefore, the maximum drain occurs when both doors are closed and either the lights are on or cameras are being viewed, resulting in four usage bars.

The game deducts 0.1% power per second for each active usage bar. For instance, closing one door and viewing cameras results in a 0.3% drain per second, depleting 1% of power approximately every 3 seconds. With a 540-second night, power management is critical.

From Night 2 onwards, an additional power penalty is applied, draining power at increasing intervals:

• Night 2: Every 6 seconds
• Night 3: Every 5 seconds
• Night 4: Every 4 seconds
• Night 5 onward: Every 3 seconds

This escalating drain significantly reduces available power in later nights. By the end of the game, you might only have about 27.9% power available for active use after accounting for base consumption.

Foxy's attacks on a closed door can also drain power, the specifics of which are detailed in his AI section.

Chica the Chicken is the backup vocalist for Freddy Fazbear's band. Her primary motivation is to murder nighttime security guards, with pizza being her secondary love.

The Basics of Chica the Chicken

Chica's behavior is more straightforward than Freddy's. She always starts at the Show Stage and moves to the Dining Area. From the Dining Area, her movements are determined by her current room and a random binary variable that resets every second. This means she can move to one of two locations from any given room.

Once Chica reaches the Right Door, her next action depends on whether your right door is open or closed. If the door is open, she enters the office. If it's closed, she retreats to the Dining Area.

An exploit in Chica's movement is that she can only move into an attacking position from the East Hall Corner. This is also where Freddy attacks, so if you see Chica there, it can serve as advance warning for a possible attack, as her presence overrides Freddy's on the camera feed. Generally, you don't need to monitor Chica unless she is in the East Hall Corner; otherwise, you are safe from her.

If Chica manages to enter the office, your right door and right light will stop working, producing only a "click" noise when activated. At this point, keeping her out is a lost cause. However, Chica never attacks while the camera is down. By not looking at the camera, you can avoid her attack indefinitely. If you do lower the camera, she will move in for the kill. If you try to avoid lowering the camera, she will force it down herself after approximately 30 seconds. The best strategy is to prevent her from entering the office at all.