I was really bored while staring at the DELTARUNE soundtrack song listing, so I decided to make the list of titles that stood out to me for one reason or another. Not much point to this, I guess, other than identifying how certain patterns are only present in certain Chapters.
(I didn't include the titles from Chapter 4 that are in Sentence case instead of Title Case because the wiki already lists those. Kudos to whoever added that.)
all lowercase
Chapter 2:
- sans.
Chapter 4:
- 12am
- 13am
Partially UPPERCASE
Chapter 3:
- MIKE, the BOARD, please!
Chapter 4:
- The LEGEND...?
Starts with an indefinite article
Chapter 1:
- A Town Called Hometown
Chapter 2:
- A CYBER'S WORLD?
- A Simple Diversion
- A Real Boy!
Chapter 4:
- A DARK ZONE
Starts with a definite article
Chapter 1:
- The Door
- The Chase
- The Legend
- The Circus
- THE WORLD REVOLVING
- THE HOLY
Chapter 2:
- The Dark Truth
Chapter 4:
- The distance between two
- The Second Sanctuary
- The Third Sanctuary
- The place where it rained
- The Ol’ Jitterbug
- The LEGEND...?
Contains a question mark
Chapter 2:
- A CYBER'S WORLD?
Chapter 3:
- Query?
Chapter 4:
- Need a hand!?
- The LEGEND...?
Contains an exclamation point
Chapter 2:
- Ohhhhohohoho!
- HEY EVERY !
- Knock You Down !!
- A Real Boy!
Chapter 3:
- And Now For Today’s Sponsors...!
- MIKE, the BOARD, please!
- Quiz!
- Dig! Dig! To The Center of the Earth!
- Board Clear!
- SOUTH OF THE BORDER!!
- It’s TV Time!
Chapter 4:
- Knock You Down!! (Rhythm Ver.)
- Gyaa Ha ha!
- Need a hand!?