What is five nights at freddys

Five nights at Freddy's is a horror game where you have to work night shift at Freddy's Fazbear Pizzeria. During the day, all is fun time, but at night, the animatronics are in free roam mode and try to break into your office. The animatronics are Freddy Fazbear, Bonnie the bunny, Chica the chicken, Foxy the pirate, and Golden Freddy. They are all trying to kill you and you have to survive till morning to win the game.