Five Nights at Freddy's 4: Halloween Edition (2015)

The Halloween Update is a free optional content add-on update for Five Nights at Freddy's 4 that was patched in October 30, 2015 before the next day of Halloween, which updates the game to v1.1.
This update feature is not included in the original mobile port. The Standard Edition feature is available in all three home consoles.
== Features ==
There are two versions by launch choice: the Standard Edition with new features canonical to the lore, and a special, non-canonical Halloween Edition that was made for fun for Halloween seasons.
=== Standard Edition ===
A couple of new features are added to the Extra menu, and can be used or played to achieve more stars. These are unlocked after completing the 20/20/20/20 mode.
* Cheats, there are three cheats to enable:
** House Map - A small map appears, revealing locations of every animatronic.
** Fast Nights - Nights are half as long.
** Danger Indicator - The game will flash a warning sign, signalling that the nightmare animatronic is near to the bedroom.
* Challenges, there are four challenges to master:
** Blind Mode - The entire screen is pitch black for the entire night.
** Mad Freddy - Freddy always has 3 Freddles active.
** Insta-Foxy - Foxy is in the closet from the start of the night.
** All Nightmare - Nightmare will be the only enemy of the entire night.
* Fun with Balloon Boy, a new alternate "Fun with Plushtrap" minigame featuring a new nightmare animatronic: Nightmare Balloon Boy.
=== Halloween Edition ===
This version contains addition of cheats, challenges, and a new minigame just like the Standard Edition. However, a half of everything are also replaced or reskinned for Halloween themes.
With the exception of Nightmare Freddy and Nightmare Fredbear, all of the nightmare animatronics are replaced:
* Jack-O-Bonnie - A Jack-o-lantern version of Nightmare Bonnie and a replacement for his original counterpart.
* Jack-O-Chica - A Jack-o-lantern version of Nightmare Chica and a replacement for her original counterpart.
* Nightmare Mangle - A nightmare counterpart of Mangle and a replacement for Nightmare Foxy.
* Nightmarionne - A nightmare counterpart of the Puppet and a replacement for Nightmare.
* Nightmare Balloon Boy - A nightmare counterpart of Balloon Boy and a replacement for Plushtrap from the "Fun with Balloon Boy" minigame in between each nights.
The end-of-night minigames are implemented with Halloween props, like Jack o' lanterns, hanging bats, and cobwebs. Furthermore, some standard colors for the environments are altered in Halloween-style (such as orange and black).
== Development ==
The update's production started around early October 2015. On October 15, 2015, the first teaser for the Halloween Edition was added, featuring the jawless head of Jack-O-Bonnie. The teaser's file name is "inthedark".
Later on, each one teaser gets uploaded after every 3 days. On October 20, 2015, Scott published the second teaser featuring Nightmare Balloon Boy. When brightened, it has a dark red text on the top, saying "HELLO?". The teaser's file name, just like the first, is "inthedark".
On October 23, 2015, Scott uploaded the third teaser, which shows an image of the Freddy plush on what's possibly a darker version of the Bed. Brightening up this image will reveal Nightmarionne. The teaser's file name is "dontwakethebaby".
On October 26, 2015, Scott uploaded the fourth teaser, which shows a pitch-black image with a bloody orange font text reading "COME HANG OUT". Brightening up this image will reveal Nightmare Mangle. The teaser's file name is "gotopieces".
On October 29, 2015, Scott uploaded the fifth and final teaser to the Halloween update, with shows the image changed to that of a still frame of Jack-O-Chica's Right Hall jumpscare. Furthermore, the same styled font text reads "SEE YOU SOON". The teaser's file name is "BOO".
The update was eventually released on the night of October 30, 2015, a day off of the original release.