PS2
Full stat points
At the title screen hold L1 + R1 then press Triangle x2, right, tri x2, down, X x2, left, X x2, up then let go of L1=R1. You should hear a noise if entered correctly.
Play as a new character a DJ
At the main title Screen Press and Hold L1 + R1 Then press x,x,right,x,x,down,x,x,left,x,x,up then let go and you should hear a chime telling you that it has confirmed the code. Then you just select your favourite character and track and when the mach starts you should be playing as a DJ.
Unlock Everything
(Hold) L1+R1
X, triangle, left, O, square ,down, triangle, square, left, O, X, up
(Release) L1+R1
Xbox
ANNETE board code
At the title screen, hold L1 + R1 and press XA, right, XA, down, XA, left, XA, UP. Now release and you should hear the ''ping'' sound.
This code works only for Kaori and allows her to have a full TRICKY meter from the start, her Master outfit, as well as super-fast speed and tricks.
Mallora Board code
At the title screen, hold L1 + R1 and press AA, right, BB, down, YY, left, XX, UP. Now release and you should hear the ''ping'' sound.
This code only works for Elise. The Mallora board raises your stats by one point each and sports a mettalic blue tinge with a woman on the underside of the board.
Mix-Master Mike Boarder
At the title screen, hold L1 + R1 and press A, A, right, B, B, down, Y, Y, left, X, X, UP. Let go of the bottom buttons to hear a confirmation sound. The change is purely cosmetic.
Gamecube
Unlock everything
At the title screen if you push A,B,A,X,Y,UP DOWN UP DOWN,and you should here the word tricky from the song. If you didn't put the code in correctly your game will restart.
Cool, huh?