When you get to the end of Deltarune's second chapter after following the Alternate Route, also known as the Snowgrave Route ...

Literature references: Please include the following literature citations in addition to the data citation above: This data set includes two image maps - a snow grain size map and a surface morphology ...

The Alternate Route in Chapter 2, also known as the Snowgrave Route or the Weird Route, is a dark and ominous path that Kris and Noelle can go down together.