Breakdown cheats and cheat codes for XBox

Spread fingered stance
Hold Block, then push White, Black buttons.

Unlock expert difficulti level:
Finish the game in normal or hard mode to unlock the extreme mode.

Unlock the Trailer, Gallery and Sound Test option:
Finish the game once to unlock bonus options.

Combos: 
Uppercut Combo: Push L, R, L. 
Triple Punch: Push L, L, R..
Roll Dodge: Push Run Up + L, then push Left(2) or Right(2).
Rising Upper: Push Run Up + L + R, then push R.
Rising Elbow: Push Run Up + L + R, then push L.
Low Kick: Push R, L.
Hook-Chop Combo: Hold Left and push L, R, L.
Hook Combo: Hold Right and push R, L, R. 
Double-Punch Kick: Push L, R, R.
Backfist: Hold Right and push L, L, L.

Block Roll: Click the Left-Analog-stick to block, then push 
Left or Right as you are hit.

Counter Attack: Click the Left-Analog-stick to block, then 
push R as you are hit.