Unlock School Uniforms: When you have inserted your coins hold Punch + Kick and press 'Start' and the High School uniforms for Kasumi and Ayane will now be available.
Unlock Reverse Replay: During the 'KO' press Hold + Kick followed by Punch during the replay. This can only be done once during a game.
Select Winning Pose: During the replay hold Punch + Kick, Free + Punch or Free + Kick.
Control Pose View: Win a match in 'Time Attack' or 'Single' mode and then hold Punch after the replay. Keep holding Punch and use the Joystick to move the camera. Press 'Free' to zoom in and 'Kick' to zoom out.