Fifteen Nights at Freddy's

Fifteen Nights at Freddy's is a game by Goldmelonmaster. It takes place in 2087, so the technology is very advanced. It has more features than the other games.

Balloon Boy
Balloon Boy won't attack you, but if he gets into your office he disables the doors, door lights, vent lights and flashlight until you make him leave by wearing the mask.

The Puppet Master
The Puppet Master will only attack if you forget to wind the music box.

Endoskeleton
Can rarely appear in Backstage, Game Area or Restrooms.

Oliver Southway (always unlocked) (default)
 Mike Schmidt (after beating Night 15) 
 * no special effects
 * can rarely have hallucinations of eyeless Bonnie, eyeless Freddy and eyeless Foxy

Jeremy Fitzgerald (after beating Night 16)

 * 5% more flashlight power
 * putting up the mask is 25% quicker

​Fritz Smith (after beating any custom night preset while playing as Jeremy Fitzgerald)

 * 10% more flashlight power during any custom night preset
 * putting up the mask is 45% quicker during any custom night preset with either Toy Bonnie or Toy Freddy (or both)

Stevie Angelo (after beating Night 16 with Mike Schmidt,  Jeremy Fitzgerald and Fritz Smith)

 * 20% more door /door light /vent light power during Night 16
 * 30% more flashlight power during Night 16

Rooms

 * Show Stage. M Freddy, M Chica and M Bonnie start here.
 * Backstage. T Freddy, T Chica, T Bonnie and Magle start here. Occasionly, you can find the Endoskeleton here.
 * Prize Corner. There is a music box to wind here.