Fight Geese Howard
Beat the game at any level without loosing a round.
After you beat Mr. Big, Geese will appear and challenge you.

Super blow technique
You can use the Super Technique of Blow
(example: Haoh­shoko­ken for Ryo) in your first fight if
you do this: First, you must have a backup of
"Art of Fighting" where this technique is saved.
In "Art of Fighting 2" choose Data load , then
"Art of Fighting". You'll start the game with the Super
Technique of Blow.