At 2:59 a.m., the door at the back slammed. Diddy’s stage light blinked and, on the feed, the monkey stood. For the first time it walked off its swing. The animatronic’s joints whined like old doors. Its mouth opened and, instead of the pre-recorded jingle, it sang a lower, layered version of the game’s melody—as if both Diddy and the cabinet were singing in the same lopsided choir.