The ultimate FNAF Mashup or FNAF: Ultimate Custom Night Online is available for you to enjoy free. It is a cool challenge unblocked, in which, you have to defend yourself from animatronics for survival. Play FNAF: Ultimate Custom Night Online the new fangame based on Five Nights at Freddy’s: Sister Location you will have the chance to meet familiar scary monsters. From 12 AM to 6 AM, they will lurk, break into your room to kill you. Try to block them before it’s too late!
Instructions: Press W-A-D keys to close the door, Left mouse to interact