Glitch: Freeze game
On a National Tournament enter R?d!n6MttmHT . You will
be at the United Forest G.C. tournament with every character.
Highlight Tiffany and press Select(3). On the 3rd time, Ayaka will
appear. If you play as her, the loading screen will freeze and you
will have to restart the game. *** You need costume/outfit set three.
This will not harm your game.

Left-handed golfer
Press Start when selecting a golfer.

In-game reset
Press L1 + R1 + L2 + R2 + Start + Select during game play.

National Tournament passwords
Select National Tournament mode and enter one of the following
case-sensitive cheat-password to play the listed course with the
listed character in the Hot Shots Golf 3 Online Tournament. ***
You will have to register and get a new cheat-password to enter the
tournament. The following passwords are only used to revisit the
course.
Louise in the Bagpipe Classic: JfNd3d7ddfDa
T-Bone in the Western Valley Country Club: f7f&&&4amtAg