Bio Freaks

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.
Information in this section was contributed by Son Goku.

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.

Secret screen:
Hold C-Up, C-Down, C-Left, or C-Right and turn on the Nintendo 64.

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.

Hint: More aerial time:
To stay in the air longer with your Jet Pack, rapidly press B rather than holding it.
Information in this section was contributed by DHaulk9683.