Jevil could be described as this boss fight song’s name.
-What is Chaos King?
This anagram turns Asriel into a criminal.
-What is Serial Murderer? (Asriel Dreemurr)
This character that interacts with us in both Undertale and Deltarune, has his name being a very iconic font.
-Who is Sans?
In Undertale, this worldwide known video game feature allows you to manipulate timelines.
-What is SAVE? / Saving
The name of this missing character takes time to be spelt for the first time, in chapter 2.
-Who is December Holiday?
A very mysterious Undertale character is referenced immediately by this Deltarune Track.
-What is ANOTHER HIM?
This song is as old as its anagram.
-Who is Gerson Boom? (Boomer Song)
Also appearing in Deltarune, the truth has been hidden with this scientist.
-Who is Alphys?
In Undertale, this wholesome word will make you have a bad time.
-What is LOVE? (lol) - Level of Violence
This character, present since Undertale, has more relevance in Deltarune, yet we don’t see what he looks like.
-Who is Gaster?
This musical term is famously ever shifting in a late chapter 4 area.
-What is a time signature?
Without her, we wouldn’t be in trouble.
-Who is Susie? (Issue)
This strange character knows about wingdings.
-Who is Riverman/woman?
This word introduced in Deltarune chapter 2 can be clicked successively, and can only be found under specific conditions.
-What is “Proceed”?
The name of this main undertale character is spelt in all caps during the cutscene when Kris goes to school in chapter 1.
-Who is Asriel?
This Undertale Character is referenced through the means of a motif used in “A DARK ZONE”
-Who is Napstablook? (Spooktune-Spookwave)
This animal has all the power over its creation.
-What is a dog? (God - Annoying dog - Which is Toby Fox, which is the creator)
Represented as a black and white entity, he has fallen into his own creation.
-Who is Toby Fox? (Annoying dog)
This very important term from undertale, also appears in Deltarune, seemingly in a more subtle way.
-What is Determination?
This iconic character can be referred to even if you’re not supposed to know his existence.
-Who is Papyrus?
This track is the only one in the entire OST to have both a question mark and an exclamation mark next to each other.
-What is "Need a hand!?”
This letter would link the two player characters from both games.
-What is “F” (Kris - Frisk)
This mysterious entity is talking to you and can never be seen.
-Who is “Man” - Egg man - Man behind the tree?
Without this word that can be interpreted in a meta way, nothing would be happening in both games.
-What is YOU?
Originally a bought-in Undertale kickstarter character, she doesn’t seem to be even existing in the world of Deltarune.
-Who is Muffet?