On December 6, 2014, when brightened, Scott's website had a very large number three on the bottom right. This is possibly hinting at a third installment to the Five Nights at Freddy's series.
On January 3rd, the "offline" image was replaced with a picture of a deteriorated animatronic suit's face looking out from the darkness with the accompanying text, "I am still here."
On January 14th, the deteriorated animatronic image was replaced with a picture of the Animatronics' empty heads, including the Paper Plate Man, inside a box. A big, red "3" is seen above them. When the image is brightened, one can see the full deteriorated animatronic from the first teaser image to the right of the box.
On January 26, after the trailer's release, Scott replaced the image on his website with a black image with very light text that reads "He always does".
On February 3, an image on Scott's website appeared to have a map on it with an icon that reads "YOU" and an arrow across from said icon.
On March 1, the image was changed once more on Scott's website of an image of Balloon Boy that reads "Guess Who?" with a faded 10 on the bottom left hand side.
On March 2, Scott released another image of Chica and Foxy that reads "It's all in your mind".
On this same day, Scott released a demo to a number of Let's Players on YouTube and Twitch. Hours later, the full game was officially released to the public.