Eat the words NOBY NOBY BOY within the manual or in the staff credits.
Report a length of exactly 765m to GIRL.
Find the Space Squirrel.
Answer all questions correctly in the BOY Quiz.
Take the Prince for a ride.
Make BOY's body grow thicker while keeping his head small.
Create a combined character by eating an animal and a human or a fruit and a human.
Take 10 inhabitants for a ride.
Eat 20 inhabitants.
Stretch BOY to a length of 100m.
Meet up with Bye-Bye BOY.
Rotate the roof of the BOY House.