If you had see this easter egg before the release of Deltarune what were your initial thoughts? : r/Undertale
DELTA RUNE - NAME EASTER EGGS & SECRETS - YouTube
Easter Eggs - Deltarune Guide - IGN
I found an Easter Egg in Deltarune Chapter 1. If you go back to the Save Point in front of Sean's Shop after defeating King Round, you are given this dialogue instead
Next time someone says there's no link between Gaster and Deltarune, you can send them this : r/Deltarune
DELTA RUNE - SECRET ROOM EASTER EGG - YouTube
Everyman | Deltarune Wiki | Fandom
Stream Deltarune - Don't Say His Name by West. N. | Listen online for free on SoundCloud