Undertale AU Wiki

Welcome to the Undertale AU Wiki, the main place for documenting Undertale's AUs. If you wish to contribute, just know that it is REQUIRED for you to read the Rules and Guidelines and the Policy of the Wiki BEFORE doing so.

As this is an AU Wiki, this wiki is NOT meant for characters. The Undertale OC Wiki exists for those. This Wiki is also not meant for AUs that do not have presence anywhere else, and those should be put on the Undertale AU Ideas Wiki.

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* But nobody came.

* This article contains information that is from a cancelled AU, an AU that has been put on an "Indefinite Hiatus", or an AU that has not had a story update in a year. As such, some information here may not be found in any established story, and could be considered non-canon.

Time of Last Story Update: September 18, 2016

Time of Cancellation:

Mettaton
* MY MY, THIS IS THE SADDEST DISPLAY I'VE EVER SEEN, DARLING!

* THIS ARTICLE IS NOT UP TO THE
STANDARD AND OUGHT TO BE REVISED TO CONFORM TO THE STANDARDS, DARLING!

A whole new, yet familiar story of humans and monsters.

— Differtale thumbnail

Differtale is an AU in which the very minor characters (NPCs, vendors, etc.) are in the roles of the main characters. This drastically changes up the storyline, as well as other aspects. It is unknown if the main Undertale characters are present.

Unfortunately, the AU got cancelled, and never made it past the first encounter with Onionsan and Krysta.

Character Changes[]

Major Cast[]

  • The Protagonist/Player Character Role is taken by a new human.
  • The Empty One Role is taken by Onionsan.
  • The Caretaker Role is taken by Krysta, Snowdin's Shopkeeper. She watches out for new humans that enter the Underground and try to help give them decent first impressions of it.
  • The Judge Role is taken by Cinnamon, the child that was being held on a leash by his older sister. He's what you'd expect from someone in Sans' place; lazy, loves bad jokes, and unlike most monsters in Differtale's version of the Underground, he isn't afraid of humans.
  • The Ambitious Role is taken by Evyn, the rabbit lady that held her younger sibling on a leash. Now those days are over and Evyn is ready to encounter any human that comes by, with the help of Cinnamon... or so she thinks she is.
  • The Captain of the Guard Role is taken by Bob, the one Temmie that always speaks fluid English rather than Temmie speak.
  • The Royal Scientist Role is taken by Thundersnail. This Royal Scientist is really timid, but works to overcome her fears to help the human.
  • The Celebrity Role is taken by Flamette (Fuku Fire), the green, fiery schoolgirl in Hotland. She takes the stage as the Underground's entertainment robot with the help of Thundersnail. However, her approach is far different from Mettaton's.
  • The Monarch Role is taken by The Nacarat Jester. Once optimistic, now the completely stressed-out king of the Underground. After the Underground's shocking history, he fears all humans and wants them banished immediately.
  • The Fallen Role is taken by Vulkin.

Minor Cast[]

  • The Recluse Role is taken by Chirp, the bird that hung out in Grillby's and translated for Grillby when he spoke. Now that Grillby's was closed down, he hangs out in the Ruins, with nobody to translate for or even talk to.
  • The Idoliser Role is taken by Loren, the one odd-looking creature in the waterfall that wondered about stars. He now looks up to Bob and wants to fight like him. He won't hurt you though, but don't tell him you're a star, or he'll try to touch/eat/kill you.
  • The Temmies stay where they are, but the new role of Bob will cause them to behave differently. Let’s just say it’ll be kind of like having a village of small Undynes.
  • Chara and Asriel are in an added role.

Location Changes[]

  • The pile of golden flowers the protagonist falls onto is replaced by a small lake.
  • The patch of grass where you meet Flowey is replaced by a snowfield with a small lake in the middle.

Additional Changes[]

  • The narration for this AU is in first person

Story[]

Gallery[]

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