Chapter 1
This is the solo ACT that is usable in Ralsei's combat tutorial.
What is "Hug"?
This is the name of the type of Darkner that is converted into Werewires.
What are Pugboys?
This is the enemy encountered in the C-Rank back room, as well as later in the middle of the TV World section of the chapter.
What is Watercooler?
This is the non-secret ax weapon introduced in this chapter.
What is the AbsorbAx?
This character is presumably who Toby Fox makes Twitter posts roleplaying as immediately before the release of a new chapter.
Who is Gaster?
This is the order of card suits you need to enter into a puzzle to unlock a secret key piece.
What is the order of diamond, heart, clover, spade?
This is the internal name of the alternate route first introduced in this chapter, and later brought up jokingly in Chapter 4 if this route is taken.
What is "Weird Route"?
This is the Japanese word that the Saber-10 pulls its name from.
What is "saboten"?
This spell reduces in effectiveness the more you use it in the final sequence of the chapter.
What is DualHeal?
This character's battle theme was teased in a Halloween social media post.
Who is Jackenstein?
Performing this action results in a dialogue change when the prophecy panels are first discovered in Chapter 4.
What is skipping Ralsei's explanation of the prophecy?
The intro of this Undertale song is played if you wait in the traffic jam near the start of the chapter.
What is Metal Crusher?
This is the Light-World object whose Darkner form hides behind the curtain in the S-Rank backstage.
What is the cactus?
This is the time signature of the final portion of the song "The Third Sanctuary".
What is 11+12/8?
This is what Toby Fox requested his Wikipedia photo be in a newsletter.
What is Toby Fox covered in foam?
This ACT's gimmick reappears in Chapters 2 and 4, but only by its Chapter 1 name in Chapter 4.
What is "Susie's Idea"?
This enemy has a rare chance to be encountered upon colliding with Pipis.
What is Ms. Pipis?
This is the condition for Kris' attack to raise considerably when fighting Tenna.
What is defeating the Shadow Mantle holder?
After backtracking, this is what you can tell Jackenstein's pumpkin without making it go away.
What is a joke?
This infamous fan theory is referenced in a specific dialogue choice with one of the Mikes.
What is Woody Theory?
You can use this item to instantly make Rudinns spareable.
What is Glowshard?
This is the game that one of Queen's laugh sounds is sampled from.
What is Super Punch-Out!!?
This is the character that provokes a comedic dialogue sequence when choosing them as your proposed festival partner for Kris.
Who is Berdly?
This character is mentioned twice when performing a specific spell due to a visual dialogue error.
Who is Susie?
This mechanic was teased via a sprite showcased in various social media posts by Toby Fox.
What is climbing?