Five Nights at Freddy's Simulator

Five Nights at Freddy's Simulator (abbreviation: FNAFS) is a FNAF fan-game that takes place 15 years after Fredbear's Family Diner closed.

Plot
15 years after Fredbear's Family Diner closed, a few workers went back inside the abandoned pizzeria to see if they could find hints of the missing children. However, one of the workers went into the safe room to check and there was a door filled with blood. There were signs everywhere in the room that said "Don't open the door". The worker didn't even bother to notice and read them and decided to open the door. Unfortunately, when the worker opened the door, he immediately got sucked into a black hole. The black hole sent him 20 years back in time, the time where Fredbear's Family Diner was just built. The worker was amused, although something wasn't right...