Unused features are features found in the game files our from an outside source that didn't make it into the game.
Unused Circus Baby images
There is an image of Circus Baby in the game files, which has not been used in the game. The image has Circus Baby tinted completely red and missing her pigtails.
Glass Pressure Warning
There is an audio clip of the Female AI Voice telling the player not to push against the Circus Gallery's glass hinted by the game'sIndieDB page telling the player to "Step Away from the Glass".
"Glass pressure trigger. Please do not push against the glass."
Birthday Party Schedule
Ballora staring into the Control Module
There is an unused file of Ballora staring at the player with her faceplates open when you shock her in the Primary Control Module. It has not been seen in the game.
Old Vent Covering
In the game files, it can be found that the vents in the Primary Control Module were once covered by metal bars. The old vent covering was also strangely used in the blueprint for the Primary Control Module too.
- The "Breaking the Glass" feature might be a possible reference to Five Nights at Candy's when Blank is breaking the glass.
- FNaC is one of the most popular of FNaF fangames; even Scott himself was impressed with it.