(Since you didn’t specify what fnaf game, I’m gonna choose Mickey reacting to the 2nd game)
*starts game and phone guy comes on* “Not this asshole again….”
*sees the ‘wind music box’* “What the hell is this? Why do I have to wind the music box?”
*Gets killed by the Marionette* “Oh….. That’s why you wind the music box…. WELL, WHAT THE HELL? WHY DIDN’T IT TELL ME THE FREAKING JIGSAW DOLL WOULD KILL ME IF I DIDN’T SING IT A LULLABY?!”
*Sees Mangle* “…………….. That is terrifying. Why is this thing in a kid’s restaurant?”
*Gets bombarded by animatronics through the vents and large doorway* “Why don’t you use this stupid desk to block the doorway or vents or something? YOU’D ONLY HAVE TO DEAL WITH THE DOORWAY ANIMATRONICS IF YOU BLOCKED THE FUCKING VENTS. STUFF SOMETHING IN THERE, FOR CHRIST’S SAKE.”
*Billy steals her batteries* “WTF? Did that little shit just take my batteries? OH FUCK YOU!!”
*Gets bombarded by shadow animatronics and golden freddy* “WHAT THE HELL IS GOING ON?! ARE THESE THINGS REAL OR IN MY HEAD? MAKE UP YOUR FREAKING MIND!!!”
*Plays Minigames* “What the hell is this? What’s the point of these stupid mini games?”
*Beats game* “THIS GAME IS A CLUSTERFUCK OF CONFUSION. WHAT JUST HAPPENED?”