Mario Golf
In-game reset:
Press A + B + Start + Select to reset the game. Note: If this is
done while a bad shot is in flight, you may continue from the
saved game file to replay the shot.
Peach's Castle course:
Defeat all four champions in a match game and finish in first
place in all four courses.
Hiding Hoodlum:
In Tiny-Tots Golf Course, one of the kids responsible for leaving golf
balls scattered around is hiding at the northern most accessible area
in the course.
Man in Raven Wood course:
Check along the left side of the Raven Wood course. You will find a
man that says that he is on your side.