FNAF 1: Scary animatronics trying to kill you
FNAF 2: Scary and slightly less scary animatronics trying to kill you, but with some backstory
FNAF 3: H E ARTW R E NC H ING EVE R Y TH I NG. HEARTWRENCHING BACKSTORY, H E ART W RE N CH I N G FAT E S, NOBO D Y IS SAFE FROM T HE SAD