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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Undertale AU Wiki
Undertale AU Wiki
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For other versions of Underfell, see Underfell (disambiguation).

"After all... It's k-kill or be killed..."
– Flowey


Team Colossus Underfell (also called TC!Underfell or Colossus!Fell) is a ongoing game and a interpretation of Underfell. The premise of the game is the human, Frisk, traveling through a darker underground trying to make aggressive monsters "snap out of it". Colossus!Fell has different designs, plots and backstories from original Underfell. The game has a trailer and a playable demo version, released in December 20, 2022, for Windows and Android in the Underevent.[1]

Characters[]

Frisk[]

"Meow.
(I wonder how long this one will last...)"

– Froggit referring to Frisk


The eighth human child to fall into the underground, Frisk objective in the Pacifist Run is to befriend all monsters and turn the underground into a better place.

Frisk is a yellow-skinned human who wears a red long-sleeved shirt with a single yellow stripe on the center along with brown pants and boots. Frisk has a lot of scars and a messy hair.

Frisk's personality is unknown, as Frisk has no dialogue in-game.

Flowey[]

"O-oh, golly!
Where are my manners?
You still don't even know my name!
I'm Flowey!
Flowey the Flower!"

– Flowey introducing himself


A small yellow flower who will be Frisk's best friend.

Flowey is a golden flower with eight petals and a white androecium that resembles the face of Asriel.

Flowey's personality is similar to canon Flowey's, he's sarcastic and rude most of the time.

Toriel[]

Toriel is the strongest monster in the Flooded Temples. Not much is known about her, as she only appeared at the end of the mini demo.

Flooded Temples Enemies[]

  • Bustin' Boulder
  • Dummy
  • Froggit
  • Migosp
  • Mimic
  • Moldsmal
  • Whimsun

Locations[]

Flooded Temples[]

"Out of the darkness, the Angel will rise.
With the stars of Heaven, they shall smite the shadows and bring redemption to all monsterkind."

– The Prophecy


The Flooded Temples is the first location major location in the game, a temple built by monsters dedicated to the Prophecy. The Flooded Temples has a dark red and brown color palette, and it looks more ruined than Undertale Ruins.

Gallery[]

References[]

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