The Ghost in the Machine-based App

The Ghost in the Machine-based App is the main quest for the Treehouse of Horror XXIV Event.

Quests
*If the player does not own Prof. Frink, then that part of the quest will not appear, but the quest chain will advance normally.**If the player completes Mr. Burns' task before Lisa's, then they earn 6.

The Ghost in the Machine-based App Part 2
"Release Gremlins in your friends’ towns to earn extra GOO and possibly destroy their school buses."

- In Game Message

The Ghost in the Machine-based App Part 3
"Tap on haunted buildings to pop the ghosts inside!"

- In-game announcement

End
If you move the letters by 13 "CEBCREGL BS OHEAFHZ” becomes "PROPERTY OF BURNSUM"

Trivia

 * ROT13 is a letter-substitution cypher. When using this cypher to deocde the message “CEBCREGL BS OHEAFHZ” it becomes “PROPERTY OF BURNSUM”, a reference to the Treehouse of Horror XXIV episode where Burnsum owns the Freak Show.