Press one of the following codes at the main menu. A sound will confirm correct code entry.
| Code: | Result: |
| Circle, Left, Circle, Right, Circle, Up, Circle, Down | Win one match to win tournament |
| Left, Right, Circle, Left, Right, Circle, Up, Down | All gear |
| Up(2), Down(2), Left, Right, Left, Right | All courts |
| Up(2), Down(2), Left, Right, L1, R1 | Play as King or Duke |
Select Tournament mode and win the singles matches without losing to the CPU and get a flawless "D" or worse rank. When challenged by King, defeat him to unlock him as a playable character.
Select Tournament mode and win the singles matches without losing to the CPU and get a flawless "C" or better rank. When challenged by Duke, defeat him to unlock him as a playable character.
To unlock the Frying Pan as a tennis racket, get three strikes in a row in the Pin Crusher mini-game.
Win King Of Players mode to unlock the Wooden racket.
In Career mode, play the "Defend The Prize" mini-game repeatedly. Choose one prize and stand in front of it (ignore the others). Simply defend that one prize. You will easily win the mini-game every time and be able to increase your Volley skill as quickly as desired.
