Five Nights at Freddy's Plus

Five Nights at Freddy's Plus is a fangame made by FlyingNosaj that combines Five Nights at Freddy's 1, 2, 3, 4 and Sister Location into one game.

Plot
Five Nights at Freddy's Plus takes place in Freddy Fazbear's Grand Pizzarea, where the player survives 20 nights while fending off the animatronics from Five Nights at Freddy's 1 through Five Nights at Freddy's 4. Every 5 nights is refered to in the game as "Weeks." Each week corresponds to one of the games, ( Classic animatronics attack on Week 1, they attack less as Week 2 progresses. )  On Week 1, the Phone Guy introduces himself to the player and helps the player learn about the Main Offices mechanics as the week progresses, the Classic animatronics and only the Classic animatronics attack during this week. On Week 2, the FNAF 1 animatronic attack less and the Toy animatronics start to attack during the start of the week, as the week progresses, the Withered animatronics attack the player. On Week 3, the player is taken into a new office, called the Emergancy Office, as an incident during the day has caused the doors in the Main Office to stop working, the Phantom animatronics, the Classic Animatronics and Springtraps attack the player during this week. . On Week 4, the player returns to the Main Office, as the doors have been fixed. The Nightmares and Springtrap attack the player, with a rare chance of the Withered animatronics attacking. On Night 21, the player returns to the establishment, as they have earned some overtime, only to figure out that they are going to be attacked by Circus Baby, Ballora, Funtime Freddy and Funtime Foxy. Once Night 21 is beaten, Custom Night and Challenge Mode are unlocked.