conceptually this game is the MOST interesting. the gameplay loop can get repetitive after awhile but I do think the huge emphasis and reliance on sounds is master class design. Ever since the first game a key to playing was the sound effects meaning certain things. But it was always in the background and only used by those who knew about it. But with Fnaf 4, it uses that as it's main mechanic and that's all you have. the story could have ended with 3 but 4 decided to keep it going. which isn't a massive deal considering it's just expanding on prior knowledge. good game idc