Undertown

Undertown is an underground town located very close to Bakseet, only directly underneath a mountain, which was titled Mt. Dirty. All inhabitants of Undertown are variants of Sans created by senok in the past, as if a more specific version of Bakseet. The first of these Dorws meets is Arms and Head Sans, who quickly explains the town to him.

Undertown shares many similarities with Undertale's Snowdin Town, with an extremely similar layout of buildings as well as being coated in ice. This is due to the fact Snowdin Town is generally the most active place in Undertale roleplay games. Undertown is also named after the game itself, Undertale, as well as referencing the fact it's entirely underground.