Roger
Defeat Roger in Match Play on the Gold Level to unlock him.

Easy challenge mode
Keep losing matches intentionally in challenge mode to unlock an easy difficulty setting in the challenge mode options.

Dino Park Golf Course
You must achieve Silver Rank.

Olive Coast Coarse
You must achieve Mid-Rank level in challenge mode.

Glitch: See Patricia's underwear
Choose Patricia and select a skirt. After getting an eagle she will do her thing with the post. Move the view to an angle where it is like at the lower corner.

Alia
Defeat her when you reach the Beginner Level

Manual Replay Mode
You must achieve Senior level in challenge mode.

Extra loyalty level
Get a Super Win by winning a called game by -3 to get five instead
of four loyalty levels.

Taunt opponent
Press any button during your opponent's turn in match play mode.
Hint: Stop ball faster or make it roll farther:
Repeatedly press Down to stop the ball faster or Up to make it go faster.

Manual replay option
Get enough stars to reach the Senior rank in challenge mode.

Dino Park Golf Course
You must achieve Silver Rank.

Unlockable: Autumn Pagoda Coarse
You must reach Beginner level in challenge mode.

Dino Park course
Get enough stars to reach Silver rank in challenge mode.

Royal & Links course
Get enough stars to reach the Grand rank in challenge mode.

Olive Coast course
Get enough stars to reach the Mid-Rank rank in challenge mode.

Golden Desert course
Get enough stars to reach the Senior rank in challenge mode.

Easy loyalty points
Choose match play in challenge mode. Press Select + Start to give up on your turn. Do this for three matches and intentionally lose. You will still get loyalty points. Repeat this to get the maximum amount of loyalty for the character.

Autumn Pagoda course
Get enough stars to reach the Beginner rank in challenge mode.

Golden Desert Coarse
You must achieve Senior level in challenge mode.