Early versions of the game contained a few oversight "bugs" that were quickly patched out:
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 Five Nights at Freddy's 4 баги
A bug once allowed players to unlock the hardest mode instantly by pressing "2" and "0" at the same time in the menu. Early versions of the game contained a few
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 While is considered one of the most polished
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.
Players have reported that audio can occasionally cut out during the 8-bit minigames between nights. This is widely considered an oversight in the game's coding that was never fully patched. Gameplay & AI Oddities