While in the park enter the following series of keystrokes (UP, DOWN, LEFT, RIGHT, CIRCLE, RIGHT, LEFT, DOWN, UP, CIRCLE) four times and press START

While in the park enter the following key series (LEFT, DOWN, X, CIRCLE) eight times and press START

In the park enter the following keystroke series (UP, DOWN, UP, DOWN, LEFT, UP, DOWN, UP, DOWN, RIGHT) eight times and press START

In the park enter the following series of keystrokes (UP, DOWN, LEFT, RIGHT, LEFT, RIGHT, UP, DOWN) twice and press START