Challenge Mode:
To earn the Challenge
Mode, where you try to sprout as many Pikmin as you can
in a day, you must
find have found all three colors of Pikmin (Red, Yellow, Blue).
Fireworks Show:
To see a fireworks
display, press down on the D Pad, and 4 Pikmin will carry you
back to an Onion.
Then fireworks will erupt from the top, this will also happen if
you stand in the
same spot doing nothing for a certain amount of time.