Undertale sounds.
This song never plays in-game.
boss monsters that perishes on two routes
The river person
This is a secret, out-of-the-way game in Deltarune, which doesn't appear until you pay points for it in chapter 3
Suzzila minigame
This enemy is in waterfall. cannot be hit, and happens after the giant bridge chase.
Trash dummy
STMPWYFS
Only you decide their name.
who says:
"SINCE WHEN WHERE YOU THE ONE IN CONTROL?"
Chara
Which puzzle in DR requires you to have gotten to the card castle and go through each floor?
None! (trick question)
the only character to have a fully static sprite in-battle
Papyrus
Only happens Twice in-game.
DOGSONG
Remembers when you die (NOT SANS)
Asgore
"you tell him that he has killed you before, he nods sadly."
Asgore
what event does cyrctahidramumpoa play during?
Mettaton's cooking show jetpack minigame
only monster to do something special when you have less then 3 hp
Toriel.
Ball.
which character does cyrctahidramumpoa (can you really call this a hotel I didn't receive a mint under my pillow or anything) play for during the hotland cooking intermission.
Mettaton
"I've wasted my entire life little buddy, don't do the same."
Burgerpants.
Didint you do this 100 rooms ago?
The mtt color puzzle
Only can happen on a certain date in october
SO SORRY
Can only be played in the Sound test room.
what is...
dark, darker yet darker
This character is very interesting, nobody but Toby fox knows what they are meant for.
Gaster
"Did you remember my name?"
Heatsflamesman!
Only "Battle" with truly custom UI
Papyrus hangout fight
This fight can only happen in two routes.
Undynes normal fight