Play as Bilstein: Start a game in Arcade mode. Then, at the
character select screen press and hold select, put the cursor on Gore and
press X, circle, X, circle, square, square, square, triangle, triangle
triangle, simultaneously press X and circle.
Play as Kappah: You must first enter the code to play as Bilstein.
Start a game in Arcade mode. Then, at the character select screen press
and hold select, put the cursor on Hayato, and press circle, square, triangle
square, X, square, triangle, square, circle, square, simultaneously press X and triangle.