Various cheats
     All codes are entered at the pause screen and can be activated in
the "Extras" menu

Unlock Everything:
     Left, Right, Square, Square, Circle, Circle, Left, Right

All Plants:
     Square, Triangle, Circle, Left, Up, Right, Down, Down

100 Feathers:
     Square, Triangle, Circle, Square, Triangle, Circle, Square, Triangle

All Moonstones:
     Triangle, Triangle, Square, Square, Circle, Circle, Left, Right

All Juju Power-Ups:
     Up, Right, Left, Down, Triangle, Circle, Square, Down

All Yorbels:
     Up, Triangle, Left, Square, Right, Circle, Down, Up

     Once you unlock the following items, they become available in the
"Extras" menu:

Unlock Concept Art: Collect all 12 Nubu Plants
Unlock Storyboards: Collect all 200 Yorbels