Summary of Clues

Considering most clues are social media related, it's best to stick to there and not bruteforcing checking thousands of pages on the site

From the suspicious "0" in "Yellow K0rbat"

From Maeve's cellphone, this is the twitter handle to talk to Birdie. Hints about being nice to her and asking personal questions.

TNT Ivy hinted that they would not use the same mechanism twice.

From the cost of 14 happy neggs being 56 total points. Separated as 5/6 gave us the edited cheese day post.

You found me!? But you also discovered the true COST of happiness (Neggs)! Its 14. But do numbers always mean numbers?

Not to be cheesy, but we wanted to wish you all a happy National Cheese Day! 🧀

The freckles on Birdie's face represented L

The caption contest entry from maxtorra hinting that "i" can sometimes represent a "1" (one)

By maxtorra
MaxTorra: One is the loneliest number.. I like to pretend it means “i” sometimes so it doesn’t seem so sad. L1ke this?
Illusen: ...

The path that Maeve travels represents the number 4

Hinted from Birdie's tweets, not to be taken literally. Birdie also hinted she liked to "sing" at the end of a good puzzle, thus the code needs to end with "sing"

The clock from the Upperdeck Livestream representing a Flag Semaphore

Luna (accidentally?) revealed that the avatar is obtainable from the Grundo Warehouse. It was later confirmed in Amanda's video.

This phrase "TIME" was obtained from Amanda's video covering this puzzle.

The final clue from the merch post from Birdie. There's an extra "S" in the word "Shes", and the names of all featured Neopian characters begin with the letter "S"