Activate the following cheats by entering the corresponding codes at the main menu:
CHEAT FUNCTION - CHEAT CODE
All Courts - up(x2), down(x2), left, right, left, right
All Gear - left, right, circle, left, right, circle, up, down
King or Duke - up(x2), down(x2), left, right, L1, R1
Win One Match to Win Tournament - circle, left, circle, right, circle, up, circle, down
Play as King:
To unlock King, win the Singles Matches in Tournament mode without losing once to the CPU and get a flawless "D" or worse rank. Defeat the King when he challenges you to unlock him.
Play as Duke:
To unlock Duke, win the Singles Matches in Tournament mode without losing once to the CPU and get a flawless "C" or better rank. Defeat the Duke when he challenges you to unlock him.
Unlockable rackets:Unlock the following rackets by performing the corresponding tasks:
RACKET - HOW TO UNLOCK
Frying Pan racket - Get three strikes in a row in the Pin Crusher mini-game.
Guitar racket - Defeat King or Duke in a SPT final.
Tambourine racket - Make 100 lob shots.
Wooden racket - Win King Of Players mode.
Quick Volley skill increase:
In Career mode, play the "Defend The Prize" mini-game repeatedly. Choose one prize and stand in front of it, and defend it. You will easily win the mini-game every time and be able to increase your Volley skill.