Concept Art
Collect all 12 Plants to unlock the "Concept Art" option at the extras menu.

All Juju Power-ups
When playing, press Up, Right, Left, Down, Triangle, Circle, Square, Down to unlock the "All Juju Power-ups" cheat at the extras menu.

Storyboards
Collect 200 Yorbels to unlock the "Storyboards" option at the extras menu.

All extras menu cheats
When playing, press Left, Right, Square(2), Circle(2), Left, Right to unlock all cheats at the extras menu.

All Moonstones
When playing, press Triangle(2), Square(2), Circle(2), Left, Right to unlock the "All Moonstones" cheat at the extras menu.

All Plants
When playing, press Square, Triangle, Circle, Left, Up, Right, Down(2) to unlock the "All Plants" cheat at the extras menu.

All Yorbels
When playing, press Up, Triangle, Left, Square, Right, Circle, Down, Up to unlock the "All Yorbels" cheat at the extras menu.

100 Feathers
When playing, press Square, Triangle, Circle, Square, Triangle, Circle, Square, Triangle to unlock the "100 Feathers" cheat at the extras menu.

Hint
To get the sheep to the caged juju you can carry it and then throw it were you need it!