The name of this iconic weapon used by Sans in his boss battle references a certain someone.
What is Gaster Blaster?
This character is likely to have written the song "Raise Up Your Bat."
Who is December Holiday?
This character is widely theorized to be the same exact individual in both games.
Who is Sans?
This Undertale AU sees each main character turned into an edgy red and black version of themselves.
What is Underfell?
This game was made partly in Andrew Hussie's (creator of Homestuck) basement.
What is Undertale?
This character is cousin to Napstablook, Mettaton and the ruins dummy.
Who is Mad Dummy?
/Glad Dummy
/Mad Mew Mew
This illusive character(?) was originally teased by Spamton in Chapter 2, leading many to believe he was the main or secret boss of Chapter 3.
Who is Mike?
This word refers to the vessel in Deltarune as well as Gaster's followers in Undertale.
What is goner?
This massively popular fangame directed by MasterSwordRemix was in development for 7 years.
What is Undertale Yellow?
Upon being discovered, this infamous glitch in a Chapter 2 boss battle was made a real feature by Toby instead of being patched.
What is multiple BIG SHOTS?
This championship was won many years in a row by Asgore and Toriel, with Dogamy and Dogaressa as the runner-ups.
What is the Nose Nuzzle Championship?
This still unused item will be created by fusing the Thorn Ring and the yet unobtainable Pure Crystal.
What is the Twisted Sword?
This chapter 4 song with a mysterious connection to Sans Undertale plays after leaving the church.
What is The Place Where It Rained?
This Steven Universe song spawned an Undertale parody which has 90 million+ views on YouTube.
What is Stronger Than You?
As of current date, this song from the Undertale soundtrack has the most views on Toby's official YouTube channel.
What is ASGORE?
This scrapped character is theorized to be the grandfather of Sans and Papyrus.
Who is Grandpa Semi?
This character without a talk sprite was the leading candidate for the Roaring Knight's identity following Chapter 1's release.
Who is Father Alvin?
This Deltarune character was first teased in an Undertale update by a cryptic NPC.
Who is Susie?
This floating eye is featured in a viral post where an Undertale fan describes a dream they had.
Who is Prunsel?
Papyrus and Sans are inspired heavily by a webcomic by J.N. Wiedle, featuring a skeleton named after this font.
What is Helvetica?
The number of times you have to select spare in order to spare Toriel.
What is 24?
The third word spoken by Snowy in Chapter 1.
What is hardly?
This Undertale character is referenced once in Deltarune's diner by a monster of the same subspecies.
Who is Grillby?
This popular fan comic released soon after Undertale sees Frisk give up their soul for Flowey to remain Asriel.
What is Dreemurr Reborn?
This footwear-related conundrum about an Undertale character has caused confusion in the fandom for 10 years due to conflicting depictions by Toby Fox.
What is the colour of Sans' slippers? (white or pink)