so its five nights at freddysbut youre forced to forget up the questions every time you pick up a notebook so its literally just slender
The 7 notebooks and it getting slightly harder is similar to slender. (Also loving up the normal questions makes it even harder)
Also slender teleports around and just rapes you if you look at his bald spot for too long. Where baldi justs move by each wack of his ruler and can get lost looking for you.
I don't really recall FNAF characters helping you indirectly, the npcs does their own method of making it harder (Blocking pathways, forcing you to play jump-rope, putting you in detention, pushing you) and can be negated with the right item and the only gameover is from baldi.
Baldi is the only possible gameover you can get.