About FNAF: Ultimate Custom Night Online
FNAF: Ultimate Custom Night Online is an amazing FNAF unblocked game. It is similar to the real Five Nights at Freddy’s: Sister Location by Scott Cawthon. Work the night shift at a haunted location and show your skills to survive! Before you play FNAF: Ultimate Custom Night Online, you can reset the AI. Next, you should choose and deploy available tools to block wicked animatronics from getting close. During the ultimate FNAF Mashup, cameras and doors will help you a lot. But, use oxygen and power sparingly!
How to play
Interact with the mouse button, close the d? by using WAD keys