Play FNAF: Ultimate Custom Night online game based on Five Nights at Freddy’s: Sister Location and hop into an intense match against wicked animatronics lurking throughout the building! Choose the challenge and the enemy that you want to start the ultimate FNAF Mashup unblocked your way. With the limited resources such as power, oxygen, and some tools like cameras with doors, you can bear, block, and escape from deadly jumpscares from your foes. The main aim is to stay alive at 6 AM. Good luck!
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