Unlock Extra Loyalty Level:
Get a 'Super Win' by winning a called game by -3 to get five instead of four Loyalty levels.

Easy Loyalty Points:
In Challenge mode select 'Match Play' and press Select + Start to give up on your turn. Do this for three matches and intentionally lose and you will still get Loyalty Points. Repeat this to get the maximum amount of Loyalty Points for the character you are using.

Unlock Easy Challenge Mode:
In Challenge mode keep losing matches intentionally to unlock an easy difficulty setting in the challenge mode options.

Stop Ball Faster or make it Roll Further:
To stop the ball faster repeatedly press Down or Up to make the ball go faster.

Unlock Manual Replay Option:
Collect enough stars to reach the Senior rank in Challenge mode.

Unlock Autumn Pagoda Course:
Collect enough stars to reach the Beginner rank in Challenge mode.

Unlock Golden Desert Course:
Collect enough stars to reach the Senior rank in Challenge mode.

Unlock Dino Park Course:
Collect enough stars to reach Silver rank in Challenge mode.

Unlock Olive Coast Course:
Collect enough stars to reach the Mid-Rank rank in Challenge mode.

Unlock Royal & Links Course:
Collect enough stars to reach the Grand rank in Challenge mode.

Unlock Alia:
When you reach the Beginner Level defeat her

Taunt Opponent:
In match play mode press any button during your opponent's turn.