Cheats
TO ENTER ONE HIT DANGER MODE AT THE CHARACTER SELECTION SCREEN HIT DOWN,UP,RIGHT,UP,LEFT,SELECT. IF IT IS CORRECT YOU WILL HEAR A SOUND.

At title screen enter select,a,b,foward,back,down,down,up ,up. Which gets you Kooler Stuff. It may take a couple of tries.

Easy Wins
Use Rayden in the tournament while in battle press back, back, forward. This attack will work well until you reach Shang Shyung then you can repeatidly use his lightning attack by pressing down, right, Y.