: Completing Custom Night often rewards the player with unique items, such as the "Notice of Termination" pink slip in FNAF 1 or various figurines and plushies for the office desk in FNAF 2. Ultimate Custom Night (UCN)

User blog:MaleficiousVillain/Ultimate Custom Night Story Theory

Released in 2018, Ultimate Custom Night is the definitive version of this mode.

: Players can set each animatronic's difficulty on a scale from 0 to 20 . 0 : The animatronic is generally inactive. 20 : The character is at its maximum aggression level.

In the Five Nights at Freddy's (FNAF) series, (or «Своя ночь» in Russian) is a special game mode that allows players to create their own challenges by adjusting the artificial intelligence (AI) levels of the animatronics . While it began as a bonus seventh night in the original games, it eventually evolved into its own standalone title, Ultimate Custom Night . Overview of Custom Night

The mode is typically unlocked after completing the main game, including the standard five nights and the secret sixth night.

: The most famous challenge in the community involves setting all four main animatronics in the first game to 20. Successfully beating this "impossible" mode earns the player a third star on the main menu.