I just wanted to say that For fnaf rebuilt it will be worse the further down you go.

Top floor main level: normal pizzeria.

Second floor below: a secret level not meant to be seen by human eyes( caution extremely bloody/gory)

Third floor: a torture floor so those that saw what the animatronics did can never get out and tell the world.

Forth floor: the experiment floor where messy experiments were held.

That's the four main parts of this game.