YuYu Hakusho: Dark Tournament PS2 cheats

Cheat List:
Enter at the cheats menu:

Unlock every fighter: SQUARE, UP, SQUARE, CIRCLE, DOWN, CIRCLE
Infinite Spirit Energy: SQUARE, X, CIRCLE, SQUARE, X, CIRCLE
No damage to player one: CIRCLE, SQUARE, DOWN, LEFT, CIRCLE, SQUARE

Unlockable: Arenas:
Beat dark tournament episode 6: Survival mode
Beat dark tournament episode 7: Tag team mode
Beat dark tournament episode 13: The cliff
Beat dark tournament episode 21: The cave
Beat dark tournament episode 22: Dark arena
Beat dark tournament episode 30: Pro mode
Beat dark tournament episode 30: Crashed arena
Beat Younger Toguro's arcade mode without losing: Training Dojo