Double Dragon 5: The Shadow Falls 

Choose up to 9 continues: 
Left, Right, Left, Right, L-pad, L-pad, R-pad, R-pad, R-pad. 
Disable Throws: 
R-pad, Right, L-pad, L-pad, Left, Left, R-pad, R-pad. 
Disable Dizziness: 
Down, Down, Left, Up, Down, Down, Left, Up, R-pad, R-pad, L-pad. 
After beating Tournament, Skill level "Pro",  use this code to be the bosses: 
L-pad, R-pad, Up, L-pad, L-pad, Down, R-pad, R-pad 
(After you beat the game in Tournament, Skill Level "Pro", this code will always 
work 
even after you shut the game off).