Kengo: Master of Bushido
Play as a student:
Hold R1 + R2 + L1 + L2 when selecting a character. Different characters will result in different Dojos and students.
All hidden characters:
To unlock all the hidden characters in Versus and Tournament mode, defeat all the Dojos in single player mode. All the silhouettes will be replaced by the faces of the Dojo Masters.
Repeatedly press X + Circle during versus mode to make it unclear whether you are going to attack.