The thing about sequels though is that they're expected to expand and go deeper with the concept in order to improve and not sell consumers the exact same product twice. It gained quite a large following because of that despite its small scale, and left the door wide open for one-man developer Scott Cawthon to capitalize on all of its no doubt at least somewhat surprisingly high success with a follow-up. Featuring a simplistic premise, the cult classic indie horror title made use of some fairly basic management mechanics to keep players on edge. The first Five Nights at Freddy's could accurately be described as bare bones.
