While is considered one of the most polished entries in Scott Cawthon’s original series, the community has uncovered several bugs and glitches over the years. These range from minor visual oddities to game-breaking "blackouts." Major Technical Bugs
Early versions of the game contained a few oversight "bugs" that were quickly patched out:
This is the most notorious bug in the PC version. Because FNaF 4 essentially consists of a massive collection of high-resolution "GIFs," the game can hit a 2GB memory limit. This often triggers when Nightmare Foxy enters the closet; the screen may turn permanently black at certain doors or when checking the closet, as the game fails to load further textures. Five Nights at Freddy's 4 баги
In the very first release, pressing the "=" key allowed players to instantly skip a night. This was removed in a hotfix just 15 minutes later.
On Night 5 or during the 20/20/20/20 challenge, animatronics like Nightmare Bonnie and Nightmare Chica are supposed to be "force-teleported" away when Nightmare Fredbear or Nightmare arrive. However, a known bug can cause players to still die to the original animatronics shortly after 4 AM if the "swap" doesn't execute perfectly. While is considered one of the most polished
By manipulating game files (changing the save data to indicate "night n"), players can access a hidden "Night 9". Much like the glitches in FNaF 1 and 2, this night typically features no animatronic activity, allowing for a peaceful exploration of the environment.
If you unlock the "House Map" cheat, you’ll notice that Nightmare Freddy never appears on the radar. This is likely because his model only "spawns" into the room when he is performing a jumpscare, rather than moving through the halls like the others. Fixed Historical Bugs This often triggers when Nightmare Foxy enters the
Occasionally, Nightmare Bonnie or Nightmare Chica can jumpscare the player even after the clock hits 6 AM if their attack animation was triggered at the exact same millisecond as the night's end.