Successfully complete the indicated task to unlock the corresponding mini-game:
Cooking: Collect the Gashapon Hat in Mission 17.
Flower: Collect the Zapaton Hat in Creatures Of The Sand, then make it rain and kill the purple slug.
Mountain: Collect the Kimpon Hat in Mission 14.
Smith: Collect the Kampon Hat in Search For A Lucky Star. Hunt when it is not raining and talk to Star. Note: You must collect the Black Star first.
Tree: Collect the Pakapon Hat in Mission 2.