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* Do not edit this page without Don't edit (if you edit i swear to god i will hang myself) without me or Gus's's permission.


There are two versions of this AU, AskCastallers version, and the original one.

Everyone's free to edit as long as it's real info.

Do not delete this. This AU further presence online mainly by Tanalok and fans
SwapSwap is Underswap combined with Underswap once again. This means that it's very similar to Undertale, but the characters retain their Underswap personalities.

Characters

Sans

Sans bears a close resemblance to Undertale Sans in many ways. He wears a blue sweater and navy shorts, and he is often seen smoking.

Papyrus

Papyrus is almost exactly like Underswap Sans but a taller version, and has a dream of seeing a human.

Gallery

Swapswap sans overworld
add this its a tiny bit hard doing it
Swapswap sans updated by tanalok-db3hkby-0
Swapswap sans overworld
Swapswap papyrus sprite by tanalok-db8c5y6
Swapswap sans overworld

Askcastellar version not much changes only costumes and a few other things

Characters

Sans

Sans is a calm, lazy and even fun character, but he can become very serious in situations that require it. Although his brother Papyrus is not happy with his vague attitude.

Papyrus

is very sure of himself and is somewhat immature, but very clever due to his love of puzzles and riddles. He has a big heart and always thinks the best of everyone; this is why his brother is always in constant care of him.

Gallery

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