SCRTCRCTRSRUULUS - All secret characters
LULUDUSTLULUDUST - Double moon physics
XDLRDLR - $5000 added to current skater
SCRSCRSCR - 100,0000 in a competition and end the comp.
UTRUSTRULSSUCCUR - Any level available
USTUD - Stats at 5
DSTUD - Stats at 6
LSTUD - Stats at 7
RSTUD - Stats at 8
CSTUD - Stats at 9
XTCXXXSTUD - Stats at 13
STRUDULSTRUDULCULT - Skip to restart
CLURCLURXCLURCLUR - Clear the whole game with current skater
XSLUDUST - Moon physics
CUULLCUDS - Kid mode
UDLRTXSCUDLRTXSC - Mirror level
RULSRUST - Perfect balance
CUTSXTC - Slo-Nic mode
DCRUST - Wireframe
CRULTCRUD - Sim Mode
DDUSTUR - Smooth shading
DUSCULUX - Disco lights
USSTRUCT - Unlock Neversoft skaters
Letter legend...for the not too swift among us:
U = UP on dpad
D = DOWN on dpad
L = LEFT on dpad
R = RIGHT on dpad
T = TRIANGLE button
X = X button
S = SQUARE button
C = CIRCLE button