Way of the Samurai

Pause the game, then hold L1 + L2 and press Up, Down, Up, Down, Left, Right, Square. Note: This cannot be done in versus mode.

At the title screen, hold L1+R1, and press Circle and Square. This will unlock Battle Mode.

At the title screen, hold L1 and R2, then press Right and Square simultaneously.

During a VS Mode battle, pause the game, hold R1 and press Left, Left, Right, Right, L1, L1, L2, L2, L1, Right, Left. All the skills of the equipped sword will become available. During a 2 player battle, only the player that has entered the code will have all his skills. If you want both players to have all their skills, both players must enter the code.

At the beginning after you fight the man on the bridge, go underneath it. Look in the shack and see who is in there. Talk to him, say something like "What are you doing?". He will say "This is my home."