Below, you'll find IGN's complete guide to the Chapter 4 Alternate Route, including every correct dialogue choice. We'd heavily recommend completing a regular run before tackling this path.

Students and naturalists have been sneaking onto private land to extricate threatened native plants: “This is a war between ...

You'll be able to pick up the Chapter 1 Egg in the Forest section of the first chapter of Deltarune, but you won't be able to find it once you've taken on the final boss in the Castle.