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