On custom night if you set the animatronics in a order of 1-9-8-7, when you start the night, Golden Freddy's crash screen will show up and will make your game crash and exit.
Three stars on Title Screen
The first star you unlock by beating the 5 nights. Unlock the second star by beating night 6. To unlock the Final star, beat the 7th night on 20/20 mode.