Crossover AUs are AUs that combine Undertale and a different franchise. Crossover AUs are unique in that it can be a different franchise put into Undertale's format, or Undertale in another franchise's format.
This category has only the following subcategory.
- [+] Figmented Reality (1 C, 3 P)
Pages in category "Crossover AUs"
The following 18 pages are in this category, out of 18 total.