Invincibility for Katarina:
Press A, Y, click Left Analog-stick, press B, click Right Analog-stick, press Back, click Right Analog-stick, press White, Black, X.

Invincibility for the Wind Dancer:
Press Back, B, White, A, click Right Analog-stick, press Black, X, click Right Analog-stick, press Y, click Left Analog-stick.

Reveal buried treasure chests:
Press Y, A, X, B, White, Back, click Left Analog-stick, Black, click Left Analog-stick, click Right Analog-stick. Green Xs will appear on the captain`s log maps to indicate the location of buried treasure chests.

Reveal all treasure chests:
Click Right Analog-stick, press A, B, click Left Analog-stick, press Y, White, Back, click Left Analog-stick, press X, Black.

All treasure chest keys:
Press Y, Back, A, X, click Right Analog-stick, press White, click Left Analog-stick, press Black, B, click Left Analog-stick.

Wind Dancer:
Press Black, B, click Right Analog-stick, click Left Analog-stick, press A, X, click Right Analog-stick, press Back, White, Y.

Unlimited items:
Press B, White, Back, Black, click Right Analog-stick, click Left Analog-stick, press X, A, click Right Analog-stick, press Y. Once found, an item will be available in unlimited amounts.

Extra gold:
Press B, click Right Analog-stick, press White, X, A, click Right Analog-stick, press Back, click Left Analog-stick, press Y, Black. Sail to another map to get the Galleon.

Unlimited wind boost:
Press Back, White, click Right Analog-stick, press X, click Left Analog-stick, press Y, Black, B, A, click Left Analog-stick.

Advance to Katarina`s next sword:
Click Right Analog-stick, press Back, Black, click Left Analog-stick, press X, A, White, Y, click Left Analog-stick, press B.

Alternate Glacial Gulf music:
Press White, A, B, Black, X, Y, click Left Analog-stick, press Back, click Right Analog-stick, click Left Analog-stick to hear music from SSX when sliding down in Glacial Gulf.

High pitched voices:
Click Right Analog-stick, press Y, Back, A, click Right Analog-stick, press B, White, X, Black, click Left Analog-stick.

Kane poison head:
Press B, Black, White, X, click Left Analog-stick, press A, click Left Analog-stick, press Y, click Right Analog-stick, press Back. The poison status will now be indicated by the head of Kane from Command and Conquer.

Alternate Katarina costumes:
Press L + R, click Left Analog-stick, press Back, Up. A short sequence of music will confirm correct code entry. Click Right Analog-stick to change the value of the numbers that appear on screen, then start a new game or resume a saved game to view the corresponding costume. The costumes that can be accessed are:

Original costume and hair color: 0000:0000
Blackbeard in purple: 0000:0001
Red hair with red and orange bikini: 0000:0010
Blue hair with orange and red bikini: 0000:0011
Tan, brown hair, orange and yellow bikini: 0000:0100
Blonde hair, orange and yellow bikini: 0000:0101
Blonde hair, pink bikini: 0000:0110
Blue hair, shiny silver bikini: 0000:0111
Red hair, black bikini, black stockings: 0000:1000
Pink hair, shiny black body suit: 0000:1001
Blue hair, shiny copper body suit: 0000:1010
Purple hair, shiny silver body suit : 0000:1011
Hint: Valkyrie cheer:
Save the game, then intentionally allow the Valkyrie to kill Katarina without the Valkyrie getting any damage during the battle.