All Antics
While playing the game, hold R1 + R2 and press Triangle, Square, X, Circle(2), X, Square, Triangle to unlock all Antics.

All Knapsack and Flower Pack items
While playing the game, hold R1 + R2 and press X(2), Triangle, Cirlce, Square(3), Circle, Triangle to unlock all Knapsack and Flower Pack items.

All bonus items
While playing the game, hold R1 + R2 and press Triangle, Circle, X, Square(2), X, Circle, Triangle to unlock all bonus items.

9,999 Gopher Bucks
While playing the game, hold R1 + R2 and press X(2), Square(4), Triangle, Square.