Oops, All Aus
The First ever AU to be created for Undertale that had a completely different Sans.
What is Underfell?
People back in the day would this character and Sans were the same person.
Who is Ness?
This ending is gotten after beating Undertale Genocide route first and then beating Undertale Pacifist right after.
What is Soulless Pacifist ending?
This person was with Sans in this meme song about fingers and Kanye West.
Who is Nagito?
These two characters were affected by W.D Gaster in Deltarune.
Who are Jevil and Spamton?
This Au Sans was able to be the first Sans to get an FNF mod before any others did.
What is Dusttale?
A theory is that Sans was this popular cartoon character who got diagnosis with Cancer.
Who is Steven Universe?
You get granted this title by checking all of the beds in card castle.
What is Bed Inspector?
This Genocide Sans fight music animation parody is parodying the song from this cartoon show.
What is Stronger than You?
By naming yourself this at the start of Undertale. You get booted back to the intro of the game.
What is Gaster?
In the AU, StoryShift. Who takes the role of Sans and Papyrus?
Who are Chara and Asriel?
People theorize that Gaster was a lab partner or more to him, others theorize that they were family members.
Who is Sans?
This Character will allow you to use their name if you name your file after them.
Who is Papyrus?
This is the song used in the Undertale animation "Hot dog french fries" Featuring the Sans and Papyrus.
What is Skeletons?
This person in Undertale, make a reference towards W.D Gaster while you travel with them.
Who is Riverperson?
This AU of Sans had Controversy for being turned into a "Cute bean with a bow" and ruined the original AU character for some.
What is Underswap Sans?
People paint this character as an evil and soulless being as a theory despite the fact that you, the player force them into that state during Genocide.
Who is Chara?
When doing a genocide route, if you save in snowdin the words "That comedian..." will appear. It refers to this character.
Who is Snowdrake?
The Youtube animation, Story of Undertale, parodies this Lady Gaga Song.
What is Bad Romance?
W.D Gaster had visual similarities to this Yume Nikki character.
Who is Uboa?
Out of all the AUs out there. There is one Au in which the characters are all more...sus than the other but, shockingly has character developments in it.
What is Underlust?
Some suspect that this person is the reason behind everything that takes place behind Undertale and Deltarune.
Who is Gaster?
The song "Before the story" was actually first heard here before it was heard in Deltarune.
What is PS4 Themes?
This Vocaloid song was sung by the Skeleton Bros in their font voices.
What is Drop Pop candy?
"And my view of this world has become darker, yet darker."
This was said by this person in Deltarune.
Who is Seam?