Underfalls (Gravity Falls/Undertale Crossover) DISCONTINUED
What if Chara and Frisk get stuck in Gravity Falls? Just read for explanation.
Completed
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Undertale x Gravity Falls {Cross Over}
What if Dipper and Mabel fell into the underground? DISCLAIMER: I Own Nothing. Undertale stuff is owned by Toby fox and Gravity falls stuff is owned by Alex Hirsh (hopefully I spelled that correctly). All opinions are my own.