FNAF 4 but it's actually something you would see in a nightmare (Part 2) - fivenightsatfreddys

If FNAF 4 isn't a dream, then how do we explain these little gremlins? I mean they literally disappear out of thin air : r/fivenightsatfreddys

Five Nights At Feddy's' Video Game Launched a Musical Subgenre

I'm pretty sure people know about this, but in FNaF 4 Nightmare Bonnie and Chica come down the same hallways that the original animatronics did in FNaF 1. Explanation in the comments.

Nightmarionne, Villains Wiki

How did the nightmare animatronics become nightmare, and what freddys location were they from? And how in the world did they get into the fnaf 4 house? - Quora

Funko Five Nights at Freddy's 4 Figure Pack(2 Set), 2 : Toys & Games

Scooby-Doo Five Nights at Freddy's in Viral Stop Motion Fan Film

FNAF 4 with actual Nightmares

NIGHTMARE CHICA JUMPSCARE!, Five Nights at Freddy's 4 - Part 2 (NIGHT 2)