Download FNaF Source Codes here: https://drive.google.com/drive/u/3/folders/1X1zfm9QuecA_jOLoGHCAtUFxd-M2I68T
Decompiled by me using Unpack Box
Unpack Box by stas's ports: https://gamejolt.com/games/UnpackBox/833282
Includes: FNaF1, FNaF2, FNaF3, FNaF4, FNaF4 Hallowen, FNaF World, FNaF SL, FNaF PS, UCN