Bruce Lee: Quest of the Dragon Cheats (Xbox)

During gameplay, press Y, B, A, X, Y, L, right stick, black.

During gameplay, press X, B, 2(black), A, right stick, left stick, white.

To unlock it, beat the game once.

During gameplay, press A, 2(B), X, R, black, right stick.

At the title screen, press X, Y, X, Y, 2(X), 2(X), left stick, right stick. 
Alternatively, beat the game once.

During gameplay, press white, right stick, left stick, back, L, R, left stick.