9th Night

The Ninth Night is an extra night in Five Nights At Deathly's. In the story, you are forced to work extra shifts for tampering with the animatronics.

Strategy
The animatronics are only made harder than the Custom Night you did, so do the strategy for that one.

Finishing
When you finish the 9th Night, you instantly go back to the title screen, and the 10th Night is unlocked to play.