Bio Freaks Codes -

Alternate view:
Hold Left and press Start during game play to switch to a first person view. Hold Down and press Start to return to the default view.

View version date:
Press C-Left immediately after powering on the system. The sound of laughter will confirm correct code entry. The date on the title screen indicates when the game was completed. Note: C-Left may have to be pressed a few times.

Dirty fighting:
Pause game play during a match, and disable shields. Resume game play and hold A while attacking. Your character should be able to do a significant amount of damage without being hit too frequently.

Taunt opponent:
Press C-Left + C-Right during a match.