Yu Yu Hakusho: Dark Tournament

Press Circle, Square, Circle, Square(2), Down at the cheat menu.

Bui - Complete Bui's arcade mode.
Elder Toguro - Defeat Younger Toguro in Dark Tournament episode 2.
Hiei - Win a tag team fight against five opponents with Hiei.
Kurama - Complete Kurama's arcade mode
Kuwabara - Complete Kuwabara's training against Kuwabara.
Younger Toguro - Complete Younger Toguro's arcade mode as Yusuke.
Yusuke - Beat Yusuke (CPU controlled) in any mode.

Complete dark tournament episode 30.

Enter at the cheats menu: SQUARE, X, CIRCLE, SQUARE, X, CIRCLE.

At the start of a fight, step back two steps and hold Down while continuously pressing L1. You should keep planting mines on the ground. After planting about seven mines, keep stepping back until your opponent runs toward you. They should die then. This is useful for winning survival mode.

If you have taken damage, back up and perform his regeneration move. Pause game play while still holding the buttons needed for regeneration. As soon as the game is paused, you do not have to hold the buttons anymore. While paused your character will still continue to heal. If you wait long enough, he will return to full health.

Complete Younger Toguro's arcade mode without losing a round.

Win a Token Game Match with Chu's card in that deck. Alternate: defeat him in story mode plus.

Beat young taguro without him activating "increase strength"; 1 player hard difficulty.

Defeat him in story mode.